Match log updated: 2026-08-31 13:51 UTC
Frank Froehling — ATP Match Log
Main draw matches: 199 | W: 83 | L: 116 | Win %: 41.7%
| Opponent | Score | Result | H2H | Match Data | Date ↓ | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|---|
| Paolo Bertolucci | 2-6 4-6 | L | H2H | Match data | May 13, 1975* | R32 | Florence | ATP 250 | Clay |
| Willem Prinsloo | 6-7 4-6 | L | H2H | Match data | Apr 30, 1975* | R64 | Nice | ATP 250 | Clay |
| Geoff Masters | 7-6(5) 2-6 3-6 | L | H2H | Match data | Apr 24, 1975* | R32 | Charlotte | ATP 250 | Clay |
| Zeljko Franulovic | 1-6 3-6 | L | H2H | Match data | Apr 12, 1974* | QF | New Orleans Wct | ATP 250 | Carpet |
| Brian Fairlie | 6-3 6-4 | W | H2H | Match data | Apr 11, 1974* | R16 | New Orleans Wct | ATP 250 | Carpet |
| John Newcombe | 1-6 1-6 | L | H2H | Match data | Apr 11, 1974* | R32 | Orlando Wct | ATP 250 | Hard |
| Doug Crawford | 6-3 6-1 | W | H2H | Match data | Apr 10, 1974* | R32 | New Orleans Wct | ATP 250 | Carpet |
| Patricio Cornejo | 1-6 1-6 | L | H2H | Match data | Apr 3, 1974* | R32 | Atlanta Wct | ATP 250 | Clay |
| Dick Crealy | 5-7 2-6 | L | H2H | Match data | Mar 6, 1974* | R32 | Lacosta Wct | ATP 250 | Hard |
| John Newcombe | 3-6 1-6 | L | H2H | Match data | Feb 21, 1974* | R32 | Hempstead Wct | ATP 250 | Hard |
| Grover Raz Reid | 3-6 4-6 | L | H2H | Match data | Feb 7, 1974* | R32 | St. Petersburg Wct | ATP 250 | Hard |
| Barry Phillips Moore | 2-6 5-7 | L | — | Match data | Jan 22, 1974* | R128 | Philadelphia Wct | ATP 250 | Carpet |
| Tenny Svensson | 5-7 3-6 | L | H2H | Match data | Oct 11, 1973* | R16 | Quebec | ATP 250 | Carpet |
| Kim Warwick | 6-3 3-6 6-3 | W | H2H | Match data | Oct 10, 1973* | R32 | Quebec | ATP 250 | Carpet |
| Cliff Richey | 2-6 2-6 | L | H2H | Match data | Oct 3, 1973* | R32 | Chicago | ATP 250 | Carpet |
| Sherwood Stewart | 2-6 4-6 | L | — | Match data | Sep 23, 1973* | R16 | Columbia | ATP 250 | Carpet |
| George Hardie | 6-3 6-7 2-6 4-6 | L | H2H | Match data | Aug 31, 1973* | R128 | US Open | Grand Slam | Grass |
| Manuel Orantes | 6-3 2-6 3-6 | L | H2H | Match data | Aug 22, 1973* | R64 | Canadian Open | ATP 500 | Clay |
| Guillermo Vilas | 4-6 4-6 | L | H2H | Match data | Aug 15, 1973* | R64 | Indianapolis | ATP 250 | Clay |
| Nikola Pilic | 4-6 5-7 | L | H2H | Match data | Aug 11, 1973* | R16 | Cincinnati Open | ATP 250 | Clay |
| Onny Parun | 3-6 7-6 6-0 | W | H2H | Match data | Aug 9, 1973* | R32 | Cincinnati Open | ATP 250 | Clay |
| Manuel Orantes | 7-6 3-6 2-6 | L | H2H | Match data | Aug 8, 1973* | R32 | Louisville | ATP 250 | Clay |
| Raul Ramirez | 6-3 6-0 | W | H2H | Match data | Aug 7, 1973* | R64 | Louisville | ATP 250 | Clay |
| Guillermo Vilas | 3-6 4-6 | L | H2H | Match data | Jul 26, 1973* | R32 | Washington Open | ATP 250 | Clay |
| Woody Blocher | 6-0 6-3 | W | H2H | Match data | Jul 25, 1973* | R64 | Washington Open | ATP 250 | Clay |
| Owen Davidson | 3-6 8-9 | L | H2H | Match data | Jun 19, 1973* | R64 | Queen's Club Championships | ATP 250 | Grass |
| Janos Benyik | 6-2 2-6 3-6 | L | H2H | Match data | Jun 13, 1973* | R64 | Hamburg Open | ATP 250 | Clay |
| Charlie Pasarell | 5-7 1-6 | L | H2H | Match data | Jun 3, 1973* | R128 | Italian Open | ATP 500 | Clay |
| Nikola Pilic | 2-6 2-6 3-6 | L | H2H | Match data | May 30, 1973* | R16 | Roland Garros | Grand Slam | Clay |
| Wanaro N'Godrella | 6-4 6-3 6-4 | W | H2H | Match data | May 27, 1973* | R32 | Roland Garros | Grand Slam | Clay |
| Ion Tiriac | 7-6 7-6 | W | H2H | Match data | May 25, 1973* | R64 | Roland Garros | Grand Slam | Clay |
| Nicola Pietrangeli | 6-0 6-1 | W | H2H | Match data | May 23, 1973* | R128 | Roland Garros | Grand Slam | Clay |
| Raymond Moore | 6-7 6-7 | L | H2H | Match data | May 8, 1973* | R16 | Kansas City | ATP 250 | Hard |
| Roy Emerson | 4-6 6-2 3-6 | L | H2H | Match data | Apr 27, 1973* | R16 | Gothenberg Wct | ATP 250 | Carpet |
| Tom Edlefsen | 6-3 3-6 6-3 | W | H2H | Match data | Apr 26, 1973* | R32 | Gothenberg Wct | ATP 250 | Carpet |
| John Alexander | 4-6 5-7 | L | H2H | Match data | Apr 17, 1973* | R32 | Johannesburg Wct | ATP 250 | Hard |
| John Alexander | 3-6 4-6 | L | H2H | Match data | Apr 12, 1973* | R32 | Brussels Wct | ATP 250 | Carpet |
| Terry Addison | 1-5 (ret.) | L | H2H | Match data | Apr 5, 1973* | R32 | Munich Wct | ATP 250 | Carpet |
| Stan Smith | 4-6 0-6 | L | H2H | Match data | Mar 30, 1973* | R16 | St. Louis Wct | ATP 250 | Carpet |
| Tom Edlefsen | 6-1 7-6(3) | W | H2H | Match data | Mar 29, 1973* | R32 | St. Louis Wct | ATP 250 | Carpet |
| Zan Guerry | 7-5 6-7 0-6 | L | H2H | Match data | Mar 26, 1973* | R16 | Jackson | ATP 250 | Hard |
| Brian Gottfried | 4-6 6-4 2-6 | L | H2H | Match data | Mar 22, 1973* | R32 | Atlanta Wct | ATP 250 | Clay |
| Jimmy Connors | 0-6 1-6 1-6 | L | H2H | Match data | Feb 24, 1973* | SF | Salisbury | ATP 250 | Hard |
| Jeff Austin | 6-7 7-6 6-3 | W | — | Match data | Feb 24, 1973* | QF | Salisbury | ATP 250 | Hard |
| Clark Graebner | 7-6 6-4 | W | H2H | Match data | Feb 23, 1973* | R16 | Salisbury | ATP 250 | Hard |
| Eddie Dibbs | 6-4 2-6 6-3 | W | H2H | Match data | Feb 22, 1973* | R32 | Salisbury | ATP 250 | Hard |
| Jiri Hrebec | 6-1 6-4 | W | H2H | Match data | Feb 21, 1973* | R64 | Salisbury | ATP 250 | Hard |
| Allan Stone | 2-6 7-6(6) 1-6 | L | H2H | Match data | Feb 14, 1973* | R32 | Toronto Wct | ATP 250 | Carpet |
| Charlie Pasarell | 6-7(2) 2-6 | L | H2H | Match data | Feb 8, 1973* | R32 | Philadelphia Wct | ATP 250 | Carpet |
| Rod Laver | 3-6 5-7 | L | H2H | Match data | Feb 2, 1973* | R16 | Richmond Wct | ATP 250 | Carpet |
| Allan Stone | 7-6(2) 7-5 | W | H2H | Match data | Feb 1, 1973* | R32 | Richmond Wct | ATP 250 | Carpet |
| Phil Dent | 2-6 2-6 | L | H2H | Match data | Jan 25, 1973* | R32 | Lacosta Wct | ATP 250 | Hard |
| Dick Stockton | 6-7 6-3 1-6 | L | H2H | Match data | Jan 20, 1973* | R16 | Jacksonville | ATP 250 | Hard |
| Bob Lutz | 3-6 4-6 | L | H2H | Match data | Jan 19, 1973* | R16 | Miami Open | ATP 250 | Hard |
| Frew Mcmillan | 6-4 6-3 | W | H2H | Match data | Jan 18, 1973* | R32 | Miami Open | ATP 250 | Hard |
| Butch Seewagen | 2-6 3-6 | L | H2H | Match data | Dec 7, 1972* | R32 | New York | ATP 250 | Carpet |
| Allan Stone | 4-6 0-6 | L | H2H | Match data | Dec 6, 1972* | R16 | Johannesburg (2) | ATP 250 | Hard |
| Bob Lutz | 0-6 2-6 | L | H2H | Match data | Nov 17, 1972* | R16 | ABN AMRO Open | ATP 250 | Carpet |
| Roger Taylor | 2-6 1-6 | L | H2H | Match data | Nov 8, 1972* | R16 | Stockholm Open | ATP 250 | Hard |
| Allan Stone | 2-6 4-6 | L | H2H | Match data | Nov 8, 1972* | R32 | Gothenberg Wct | ATP 250 | Carpet |
| Ion Tiriac | 6-4 7-6 | W | H2H | Match data | Nov 7, 1972* | R32 | Stockholm Open | ATP 250 | Hard |
| B. Holmstrom | 7-5 2-6 7-6 | W | H2H | Match data | Nov 6, 1972* | R64 | Stockholm Open | ATP 250 | Hard |
| Charlie Pasarell | 3-6 2-6 | L | H2H | Match data | Nov 1, 1972* | R32 | Essen Wct | ATP 250 | Carpet |
| John Newcombe | 3-6 7-6 2-6 | L | H2H | Match data | Oct 25, 1972* | R32 | Vancouver Wct | ATP 250 | Carpet |
| Brian Fairlie | 6-4 1-6 3-6 | L | H2H | Match data | Oct 11, 1972* | QF | Midland | ATP 250 | Hard |
| Bob Carmichael | 2-6 2-6 | L | H2H | Match data | Oct 4, 1972* | R32 | Alamo Wct | ATP 250 | Carpet |
| John Newcombe | 5-7 0-6 | L | H2H | Match data | Sep 21, 1972* | R16 | Montreal Wct | ATP 250 | Carpet |
| Mike Belkin | (w/o) | W | H2H | Match data | Sep 20, 1972* | R32 | Montreal Wct | ATP 250 | Carpet |
| Patrice Dominguez | 5-7 2-6 | L | H2H | Match data | Sep 20, 1972* | R64 | Los Angeles Open | ATP 250 | Hard |
| Butch Seewagen | 5-7 3-6 | L | H2H | Match data | Sep 5, 1972* | R16 | South Orange | ATP 250 | Hard |
| Geoff Paish | 6-4 6-3 | W | — | Match data | Sep 4, 1972* | R32 | South Orange | ATP 250 | Hard |
| Onny Parun | 6-4 4-6 3-6 2-6 | L | H2H | Match data | Sep 1, 1972* | R128 | US Open | Grand Slam | Grass |
| Nikola Pilic | 2-6 3-6 | L | H2H | Match data | Aug 23, 1972* | R32 | Fort Worth Wct | ATP 250 | Hard |
| Mark Cox | 3-6 4-6 | L | H2H | Match data | Aug 16, 1972* | R32 | Cleveland Wct | ATP 250 | Hard |
| Tony Roche | 4-6 1-6 | L | H2H | Match data | Aug 2, 1972* | R16 | Louisville Wct | ATP 250 | Clay |
| Haroon Rahim | 6-3 7-6 | W | H2H | Match data | Aug 1, 1972* | R32 | Louisville Wct | ATP 250 | Clay |
| Jasjit Singh | 6-2 1-6 3-6 | L | — | Match data | Jul 14, 1972* | R64 | Washington Open | ATP 250 | Clay |
| Arthur Ashe | 2-6 0-6 | L | H2H | Match data | Jul 13, 1972* | R16 | Bretton Woods | ATP 250 | Hard |
| Ismail El Shafei | 6-4 4-6 6-7 | L | — | Match data | Jul 9, 1972* | R32 | U.S. Pro Tennis Championships | ATP 250 | Hard |
| Tom Okker | 6-4 6-7 4-6 | L | H2H | Match data | Jul 5, 1972* | R16 | St. Louis Wct | ATP 250 | Carpet |
| Gerald Battrick | 6-3 0-6 6-3 | W | H2H | Match data | Jul 4, 1972* | R32 | St. Louis Wct | ATP 250 | Carpet |
| John Newcombe | 1-6 5-7 | L | H2H | Match data | May 6, 1972* | SF | Las Vegas Wct | ATP 250 | Hard |
| Tom Okker | 6-7 6-3 7-5 | W | H2H | Match data | May 6, 1972* | QF | Las Vegas Wct | ATP 250 | Hard |
| Arthur Ashe | 2-6 6-3 6-4 | W | H2H | Match data | May 5, 1972* | R16 | Las Vegas Wct | ATP 250 | Hard |
| Ray Ruffels | 7-5 4-6 6-3 | W | H2H | Match data | May 4, 1972* | R32 | Las Vegas Wct | ATP 250 | Hard |
| Marty Riessen | 4-6 2-6 | L | H2H | Match data | May 3, 1972* | R32 | Denver Wct | ATP 250 | Carpet |
| Bob Lutz | 1-6 3-6 | L | H2H | Match data | Apr 26, 1972* | R32 | Charlotte Wct | ATP 250 | Clay |
| Charlie Pasarell | (w/o) | L | H2H | Match data | Apr 19, 1972* | R32 | Quebec Wct | ATP 250 | Carpet |
| Robert Maud | (w/o) | L | H2H | Match data | Apr 12, 1972* | R32 | Houston Wct | ATP 250 | Clay |
| Terry Addison | 1-6 3-6 | L | H2H | Match data | Mar 31, 1972* | R32 | Macon | ATP 250 | Carpet |
| John Alexander | 1-6 6-4 2-6 | L | H2H | Match data | Mar 19, 1972* | R32 | Chicago Wct | ATP 250 | Carpet |
| Ken Rosewall | 1-6 2-6 | L | H2H | Match data | Mar 9, 1972* | R16 | Miami Open | ATP 250 | Hard |
| Graham Stilwell | 6-4 6-3 | W | H2H | Match data | Mar 8, 1972* | R32 | Miami Open | ATP 250 | Hard |
| Rod Laver | 0-6 1-6 | L | H2H | Match data | Feb 24, 1972* | R16 | Toronto Wct | ATP 250 | Carpet |
| Roy Barth | 6-3 4-6 6-3 | W | H2H | Match data | Feb 23, 1972* | R32 | Toronto Wct | ATP 250 | Carpet |
| Arthur Ashe | 6-3 1-6 4-6 | L | H2H | Match data | Feb 11, 1972* | R32 | Philadelphia Wct | ATP 250 | Carpet |
| Marty Riessen | 2-6 2-6 | L | H2H | Match data | Feb 9, 1972* | R32 | Richmond Wct | ATP 250 | Carpet |
| Ion Tiriac | 4-6 4-6 | L | H2H | Match data | Feb 5, 1972* | R16 | Omaha | ATP 250 | Hard |
| Jimmy Connors | 3-6 7-6 3-6 | L | H2H | Match data | Jan 26, 1972* | SF | Roanoke | ATP 250 | Carpet |
| Haroon Rahim | 6-3 7-6 | W | H2H | Match data | Jan 26, 1972* | QF | Roanoke | ATP 250 | Carpet |
| Milan Holecek | 1-6 6-3 6-2 | W | H2H | Match data | Jan 25, 1972* | R16 | Roanoke | ATP 250 | Carpet |
| Pierre Barthes | 4-6 4-6 | L | H2H | Match data | Jan 14, 1972* | QF | Baltimore | ATP 250 | Hard |
| Milan Holecek | 3-6 4-6 | L | H2H | Match data | Dec 18, 1971* | QF | Kingston | ATP 250 | Hard |
| Zeljko Franulovic | 7-6 6-7 6-7 4-6 | L | H2H | Match data | Dec 6, 1971* | QF | Argentina Open | ATP 250 | Clay |
| Jaime Pinto Bravo | 7-6 7-5 7-5 | W | — | Match data | Dec 5, 1971* | R16 | Argentina Open | ATP 250 | Clay |
| Lito Alvarez | 7-6 6-4 6-2 | W | — | Match data | Dec 4, 1971* | R32 | Argentina Open | ATP 250 | Clay |
| John Alexander | 5-7 2-6 | L | H2H | Match data | Nov 4, 1971* | R32 | Wembley | ATP 250 | Hard |
| Bob Carmichael | 3-6 0-6 | L | H2H | Match data | Sep 24, 1971* | R16 | Los Angeles Open | ATP 250 | Hard |
| Tom Edlefsen | 7-6 6-4 | W | H2H | Match data | Sep 23, 1971* | R32 | Los Angeles Open | ATP 250 | Hard |
| Ray Keldie | 7-5 7-5 | W | H2H | Match data | Sep 22, 1971* | R64 | Los Angeles Open | ATP 250 | Hard |
| Alejandro Olmedo | 4-6 6-3 5-7 | L | — | Match data | Sep 20, 1971 | QF | Sacramento | ATP 250 | Hard |
| Ove Bengtson | 6-2 7-5 | W | H2H | Match data | Sep 20, 1971 | R16 | Sacramento | ATP 250 | Hard |
| Ray Keldie | 6-7 6-1 6-3 | W | H2H | Match data | Sep 20, 1971 | R32 | Sacramento | ATP 250 | Hard |
| Patrick Proisy | 6-2 6-2 | W | H2H | Match data | Sep 20, 1971 | R64 | Sacramento | ATP 250 | Hard |
| Jan Kodes | 0-6 6-7 3-6 | L | H2H | Match data | Sep 12, 1971* | QF | US Open | Grand Slam | Grass |
| Bob Carmichael | 7-6 6-4 6-4 | W | H2H | Match data | Sep 10, 1971* | R16 | US Open | Grand Slam | Grass |
| Roscoe Tanner | 7-6 5-7 6-3 7-6 | W | H2H | Match data | Sep 7, 1971* | R32 | US Open | Grand Slam | Grass |
| Clark Graebner | 2-6 5-7 | L | H2H | Match data | Sep 5, 1971* | R16 | South Orange | ATP 250 | Hard |
| Andrew Pattison | 7-5 4-6 6-7 6-3 6-4 | W | — | Match data | Sep 5, 1971* | R64 | US Open | Grand Slam | Grass |
| Herb Fitzgibbon | 7-6 7-5 | W | H2H | Match data | Sep 4, 1971* | R32 | South Orange | ATP 250 | Hard |
| Mike Kreiss | 7-6 6-0 | W | H2H | Match data | Sep 3, 1971* | R64 | South Orange | ATP 250 | Hard |
| Jurgen Fassbender | 6-3 6-3 6-3 | W | H2H | Match data | Sep 3, 1971* | R128 | US Open | Grand Slam | Grass |
| Clark Graebner | 7-6 7-6 6-7 6-7 3-6 | L | H2H | Match data | Aug 27, 1971* | SF | Merion | ATP 250 | Hard |
| Jan Leschly | 7-6 6-2 | W | — | Match data | Aug 27, 1971* | QF | Merion | ATP 250 | Hard |
| Georges Goven | 7-5 1-6 7-6 | W | H2H | Match data | Aug 26, 1971* | R16 | Merion | ATP 250 | Hard |
| Geoff Masters | 6-3 6-3 | W | H2H | Match data | Aug 25, 1971* | R32 | Merion | ATP 250 | Hard |
| Fred Mcnair | 6-1 4-6 6-3 | W | — | Match data | Aug 24, 1971* | R64 | Merion | ATP 250 | Hard |
| Patricio Cornejo | 4-6 6-7 | L | H2H | Match data | Aug 13, 1971* | R16 | Indianapolis | ATP 250 | Clay |
| Joaquin Loyo Mayo | 4-6 7-6 7-5 | W | — | Match data | Aug 12, 1971* | R32 | Indianapolis | ATP 250 | Clay |
| Bill Lloyd | 6-1 6-1 | W | — | Match data | Aug 11, 1971* | R64 | Indianapolis | ATP 250 | Clay |
| Erik Van Dillen | 2-6 4-6 | L | — | Match data | Aug 6, 1971* | R16 | Cincinnati Open | ATP 500 | Clay |
| Sandy Mayer | 4-6 6-1 6-2 | W | H2H | Match data | Aug 5, 1971* | R32 | Cincinnati Open | ATP 500 | Clay |
| Geoff Masters | 6-3 6-4 | W | H2H | Match data | Aug 4, 1971* | R64 | Cincinnati Open | ATP 500 | Clay |
| Jimmy Connors | 1-6 6-4 1-6 | L | H2H | Match data | Jul 28, 1971* | R16 | Tanglewood | ATP 250 | Hard |
| Terry Addison | 6-3 3-6 6-3 | W | H2H | Match data | Jul 27, 1971* | R32 | Tanglewood | ATP 250 | Hard |
| Mike Estep | 6-3 6-4 | W | H2H | Match data | Jul 26, 1971* | R64 | Tanglewood | ATP 250 | Hard |
| Marty Riessen | 5-7 1-6 | L | H2H | Match data | Jul 21, 1971* | R16 | Washington Open | ATP 250 | Clay |
| Owen Davidson | 6-1 6-0 | W | H2H | Match data | Jul 20, 1971* | R32 | Washington Open | ATP 250 | Clay |
| Bob Carmichael | 7-5 3-6 7-5 | W | H2H | Match data | Jul 19, 1971* | R64 | Washington Open | ATP 250 | Clay |
| Bob Lutz | 6-8 9-8 6-4 2-6 10-12 | L | H2H | Match data | Jun 23, 1971* | R128 | Wimbledon | Grand Slam | Grass |
| Ross Case | 6-3 3-6 4-6 | L | H2H | Match data | Jun 16, 1971* | R64 | Queen's Club Championships | ATP 250 | Grass |
| Robert Maud | (w/o) | L | H2H | Match data | Jun 16, 1971* | R64 | Eastbourne | ATP 250 | Grass |
| Ilie Nastase | 0-6 6-2 4-6 3-6 | L | H2H | Match data | Jun 3, 1971* | SF | Roland Garros | Grand Slam | Clay |
| Arthur Ashe | 6-4 4-6 6-3 3-6 8-6 | W | H2H | Match data | Jun 1, 1971* | QF | Roland Garros | Grand Slam | Clay |
| Marty Riessen | 1-6 2-6 6-3 6-4 6-2 | W | H2H | Match data | May 30, 1971* | R16 | Roland Garros | Grand Slam | Clay |
| Jan Leschly | 4-6 6-3 8-6 7-5 | W | — | Match data | May 27, 1971* | R32 | Roland Garros | Grand Slam | Clay |
| Robert Maud | 6-3 8-9 6-4 3-6 3-6 | L | H2H | Match data | May 26, 1971* | R16 | Bournemouth | ATP 250 | Clay |
| John Paish | 1-6 6-3 4-6 6-4 6-2 | W | H2H | Match data | May 25, 1971* | R32 | Bournemouth | ATP 250 | Clay |
| John Cooper | 6-2 6-2 6-3 | W | — | Match data | May 25, 1971* | R64 | Roland Garros | Grand Slam | Clay |
| Rainer Kuhlmey | 6-4 6-3 6-3 | W | — | Match data | May 23, 1971* | R128 | Roland Garros | Grand Slam | Clay |
| Ingo Buding | (w/o) | L | — | Match data | May 19, 1971* | R64 | Hamburg Open | ATP 250 | Clay |
| J. Mandarino | 2-6 9-7 1-6 | L | H2H | Match data | May 7, 1971* | R16 | Madrid | ATP 250 | Clay |
| Jose Higueras | 6-1 6-2 | W | H2H | Match data | May 6, 1971* | R32 | Madrid | ATP 250 | Clay |
| Cliff Richey | 4-6 2-6 | L | H2H | Match data | May 5, 1971* | QF | Kansas City | ATP 250 | Hard |
| Clark Graebner | 2-6 6-7 | L | H2H | Match data | Apr 25, 1971* | QF | Houston | ATP 250 | Clay |
| Martin Mulligan | 2-6 7-6 7-6 | W | — | Match data | Apr 24, 1971* | R16 | Houston | ATP 250 | Clay |
| Graham Stilwell | 6-4 6-4 | W | H2H | Match data | Apr 23, 1971* | R32 | Houston | ATP 250 | Clay |
| Stan Smith | 6-7 1-6 | L | H2H | Match data | Apr 22, 1971* | R16 | Charlotte | ATP 250 | Hard |
| Martin Mulligan | 6-3 7-5 | W | — | Match data | Apr 21, 1971* | R32 | Charlotte | ATP 250 | Hard |
| Onny Parun | 4-6 4-6 | L | H2H | Match data | Apr 11, 1971* | R16 | Des Moines | ATP 250 | Carpet |
| Tom Gorman | 4-6 3-6 | L | H2H | Match data | Apr 2, 1971* | QF | San Juan | ATP 250 | Hard |
| Zeljko Franulovic | 6-3 0-6 6-2 | W | H2H | Match data | Apr 1, 1971* | R16 | San Juan | ATP 250 | Hard |
| Tom Edlefsen | 7-6 6-1 | W | H2H | Match data | Mar 31, 1971* | R32 | San Juan | ATP 250 | Hard |
| Nicola Spear | 2-6 6-3 6-7 | L | H2H | Match data | Mar 29, 1971* | QF | Pensacola | ATP 250 | Hard |
| Richard Russell | 7-6 6-2 | W | H2H | Match data | Mar 28, 1971* | R16 | Pensacola | ATP 250 | Hard |
| Tony Parun | 6-3 6-2 | W | H2H | Match data | Mar 27, 1971* | R32 | Pensacola | ATP 250 | Hard |
| Manuel Orantes | 5-7 7-5 6-7 | L | H2H | Match data | Mar 26, 1971* | QF | Caracas | ATP 250 | Clay |
| Peter Curtis | 6-4 6-1 | W | H2H | Match data | Mar 25, 1971* | R16 | Caracas | ATP 250 | Clay |
| Vladimir Zednik | 7-6 6-4 | W | H2H | Match data | Mar 24, 1971* | R32 | Caracas | ATP 250 | Clay |
| Ilie Nastase | 4-6 1-6 | L | H2H | Match data | Mar 12, 1971* | QF | Hampton | ATP 250 | Hard |
| Tom Gorman | 6-1 6-4 | W | H2H | Match data | Mar 11, 1971* | R16 | Hampton | ATP 250 | Hard |
| Peter Curtis | 4-6 6-0 7-6 | W | H2H | Match data | Mar 10, 1971* | R32 | Hampton | ATP 250 | Hard |
| Ilie Nastase | 4-6 5-7 | L | H2H | Match data | Mar 4, 1971* | R32 | Macon | ATP 250 | Hard |
| Jaime Fillol | 7-6 6-7 2-6 | L | H2H | Match data | Feb 23, 1971* | R64 | Salisbury | ATP 250 | Hard |
| Juan Gisbert | 5-7 2-6 | L | — | Match data | Feb 17, 1971* | R32 | New York | ATP 250 | Carpet |
| Cliff Richey | 4-6 2-6 | L | H2H | Match data | Feb 1, 1971* | QF | Omaha | ATP 250 | Carpet |
| Ion Tiriac | 6-1 6-2 | W | H2H | Match data | Jan 31, 1971* | R16 | Omaha | ATP 250 | Carpet |
| Cliff Richey | 5-7 0-6 4-6 | L | H2H | Match data | Nov 12, 1970* | R16 | Argentina Open | ATP 250 | Clay |
| Tomas Lynch | 6-1 6-2 6-2 | W | — | Match data | Nov 11, 1970* | R32 | Argentina Open | ATP 250 | Clay |
| Bob Carmichael | 4-6 2-6 | L | H2H | Match data | Oct 23, 1970* | QF | Phoenix | ATP 250 | Hard |
| Roy Barth | 6-7 6-2 6-4 | W | H2H | Match data | Oct 22, 1970* | R16 | Phoenix | ATP 250 | Hard |
| Alejandro Olmedo | 6-3 6-4 | W | — | Match data | Oct 21, 1970* | R32 | Phoenix | ATP 250 | Hard |
| Dennis Ralston | 3-6 6-3 3-6 | L | H2H | Match data | Oct 1, 1970* | R32 | Berkeley | ATP 250 | Hard |
| Roscoe Tanner | 7-5 6-3 | W | H2H | Match data | Sep 30, 1970* | R64 | Berkeley | ATP 250 | Hard |
| Jan Kodes | 3-6 5-7 | L | H2H | Match data | Sep 21, 1970* | R64 | Los Angeles Open | ATP 250 | Hard |
| Jim Osborne | 6-7 3-6 4-6 | L | H2H | Match data | Sep 6, 1970* | R64 | US Open | Grand Slam | Grass |
| Joaquin Loyo Mayo | 3-6 3-6 | L | — | Match data | Sep 4, 1970* | R32 | South Orange | ATP 250 | Hard |
| Dick Crealy | 6-4 3-6 7-6 4-6 6-2 | W | H2H | Match data | Sep 4, 1970* | R128 | US Open | Grand Slam | Grass |
| Paul Gerken | 6-7 4-6 | L | H2H | Match data | Aug 19, 1970* | R64 | Merion | ATP 250 | Grass |
| Jean Loup Rouyer | 6-4 2-6 3-6 | L | H2H | Match data | Jul 30, 1970* | R32 | Indianapolis | ATP 250 | Clay |
| Jean Loup Rouyer | 6-4 2-6 3-6 | L | H2H | Match data | Jul 30, 1970* | R32 | Indianapolis | ATP 250 | Clay |
| Lito Alvarez | 6-4 6-4 | W | — | Match data | Jul 29, 1970* | R64 | Indianapolis | ATP 250 | Clay |
| Lito Alvarez | 6-4 6-4 | W | — | Match data | Jul 29, 1970* | R64 | Indianapolis | ATP 250 | Clay |
| Jaime Fillol | 6-0 4-6 8-10 | L | H2H | Match data | Jul 23, 1970* | R32 | Cincinnati Open | ATP 500 | Clay |
| Fred Mcnair | 7-5 6-4 | W | — | Match data | Jul 22, 1970* | R64 | Cincinnati Open | ATP 500 | Clay |
| Mike Estep | 2-6 2-6 | L | H2H | Match data | Jul 21, 1970* | R32 | Washington Open | ATP 250 | Hard |
| Frew Mcmillan | 6-4 6-3 | W | H2H | Match data | Jul 20, 1970* | R64 | Washington Open | ATP 250 | Hard |
| Jim Bochte | 3-6 4-6 | L | — | Match data | Mar 28, 1970* | R32 | Jacksonville | ATP 250 | Clay |
| Herb Fitzgibbon | 5-7 8-10 | L | H2H | Match data | Mar 28, 1968* | R32 | New York 1 | ATP 250 | Carpet |
Estimated from the tournament schedule where an exact match date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Mapping details.