Match log updated: 2026-05-28 18:14 UTC
John Isner — ATP Match Log
Main draw matches: 54 | W: 32 | L: 22 | Win %: 59.3%
| Opponent | Score | Result | H2H | Match Data | Date ↓ | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|---|
| Novak Djokovic | 4-6 3-6 | L | H2H | Match data | Nov 12, 2018 | RR | ATP Finals | ATP Finals | Hard |
| Alexander Zverev | 6-7(5) 3-6 | L | H2H | Match data | Nov 12, 2018 | RR | ATP Finals | ATP Finals | Hard |
| Marin Cilic | 7-6(2) 3-6 4-6 | L | H2H | Match data | Nov 12, 2018 | RR | ATP Finals | ATP Finals | Hard |
| Karen Khachanov | 4-6 7-6(9) 6-7(8) | L | H2H | Match data | Nov 2, 2018* | R16 | Paris Masters | Masters 1000 | Hard |
| Mikhail Kukushkin | 6-3 6-7(2) 7-6(1) | W | H2H | Match data | Nov 1, 2018* | R32 | Paris Masters | Masters 1000 | Hard |
| Gael Monfils | 4-6 4-6 | L | H2H | Match data | Oct 26, 2018* | R16 | Vienna Open | ATP 500 | Hard |
| Cameron Norrie | 6-7(1) 6-4 7-6(7) | W | H2H | Match data | Oct 25, 2018* | R32 | Vienna Open | ATP 500 | Hard |
| Ernests Gulbis | 6-1 3-6 3-6 | L | H2H | Match data | Oct 20, 2018* | SF | Stockholm Open | ATP 250 | Hard |
| Tennys Sandgren | 7-6(8) 6-7(5) 7-6(2) | W | H2H | Match data | Oct 20, 2018* | QF | Stockholm Open | ATP 250 | Hard |
| Bradley Klahn | 7-6(2) 6-7(5) 7-6(5) | W | H2H | Match data | Oct 19, 2018* | R16 | Stockholm Open | ATP 250 | Hard |
| Juan Martin del Potro | 7-6(5) 3-6 6-7(4) 2-6 | L | H2H | Match data | Sep 6, 2018* | QF | US Open | Grand Slam | Hard |
| Milos Raonic | 3-6 6-3 6-4 3-6 6-2 | W | H2H | Match data | Sep 4, 2018* | R16 | US Open | Grand Slam | Hard |
| Dusan Lajovic | 7-6(8) 6-7(6) 6-3 7-5 | W | H2H | Match data | Sep 2, 2018* | R32 | US Open | Grand Slam | Hard |
| Nicolas Jarry | 6-7(7) 6-4 3-6 7-6(2) 6-4 | W | H2H | Match data | Aug 30, 2018* | R64 | US Open | Grand Slam | Hard |
| Bradley Klahn | 7-6(3) 6-3 6-4 | W | H2H | Match data | Aug 29, 2018* | R128 | US Open | Grand Slam | Hard |
| Sam Querrey | 4-6 7-6(5) 6-7(5) | L | H2H | Match data | Aug 14, 2018* | R64 | Cincinnati Open | Masters 1000 | Hard |
| Karen Khachanov | 6-7(5) 6-7(1) | L | H2H | Match data | Aug 10, 2018* | R16 | Canadian Open | Masters 1000 | Hard |
| Pierre-Hugues Herbert | 7-6(3) 6-2 | W | H2H | Match data | Aug 9, 2018* | R32 | Canadian Open | Masters 1000 | Hard |
| Noah Rubin | 4-6 6-7(6) | L | H2H | Match data | Aug 2, 2018* | R32 | Washington Open | ATP 500 | Hard |
| Ryan Harrison | 5-7 6-3 6-4 | W | H2H | Match data | Jul 29, 2018* | F | Atlanta | ATP 250 | Hard |
| Matthew Ebden | 6-4 6-7(6) 6-1 | W | H2H | Match data | Jul 28, 2018* | SF | Atlanta | ATP 250 | Hard |
| Mischa Zverev | 7-5 4-6 6-1 | W | H2H | Match data | Jul 28, 2018* | QF | Atlanta | ATP 250 | Hard |
| Alex de Minaur | 6-3 6-2 | W | H2H | Match data | Jul 27, 2018* | R16 | Atlanta | ATP 250 | Hard |
| Kevin Anderson | 6-7(6) 7-6(5) 7-6(9) 4-6 24-26 | L | H2H | Match data | Jul 14, 2018* | SF | Wimbledon | Grand Slam | Grass |
| Milos Raonic | 6-7(5) 7-6(7) 6-4 6-3 | W | H2H | Match data | Jul 12, 2018* | QF | Wimbledon | Grand Slam | Grass |
| Stefanos Tsitsipas | 6-4 7-6(8) 7-6(4) | W | H2H | Match data | Jul 10, 2018* | R16 | Wimbledon | Grand Slam | Grass |
| Radu Albot | 6-3 6-3 6-4 | W | H2H | Match data | Jul 8, 2018* | R32 | Wimbledon | Grand Slam | Grass |
| Ruben Bemelmans | 6-1 6-4 6-7(6) 6-7(3) 7-5 | W | H2H | Match data | Jul 5, 2018* | R64 | Wimbledon | Grand Slam | Grass |
| Yannick Maden | 6-2 7-6(4) 7-5 | W | H2H | Match data | Jul 4, 2018* | R128 | Wimbledon | Grand Slam | Grass |
| Juan Martin del Potro | 4-6 4-6 4-6 | L | H2H | Match data | Jun 5, 2018* | R16 | Roland Garros | Grand Slam | Clay |
| Pierre-Hugues Herbert | 7-6(1) 6-4 7-6(4) | W | H2H | Match data | Jun 2, 2018* | R32 | Roland Garros | Grand Slam | Clay |
| Horacio Zeballos | 6-7(8) 7-6(4) 7-6(2) 6-2 | W | H2H | Match data | May 31, 2018* | R64 | Roland Garros | Grand Slam | Clay |
| Noah Rubin | 6-3 7-6(7) 7-6(7) | W | H2H | Match data | May 29, 2018* | R128 | Roland Garros | Grand Slam | Clay |
| Cameron Norrie | 6-7(1) 4-6 | L | H2H | Match data | May 26, 2018* | QF | Open 13 Provence | ATP 250 | Clay |
| Radu Albot | 7-6(3) 6-3 | W | H2H | Match data | May 25, 2018* | R16 | Open 13 Provence | ATP 250 | Clay |
| Albert Ramos-Vinolas | 7-6(5) 6-7(2) 6-7(5) | L | H2H | Match data | May 16, 2018* | R32 | Italian Open | Masters 1000 | Clay |
| Alexander Zverev | 4-6 5-7 | L | H2H | Match data | May 12, 2018* | QF | Madrid Open | Masters 1000 | Clay |
| Pablo Cuevas | 6-7(9) 7-6(3) 7-6(4) | W | H2H | Match data | May 11, 2018* | R16 | Madrid Open | Masters 1000 | Clay |
| Ryan Harrison | 7-6(1) 7-6(7) | W | H2H | Match data | May 9, 2018* | R32 | Madrid Open | Masters 1000 | Clay |
| Steve Johnson | 6-7(4) 6-4 6-7(5) | L | H2H | Match data | Apr 14, 2018* | QF | U.S. Men's Clay Court Championship | ATP 250 | Clay |
| Henri Laaksonen | 6-4 6-2 | W | H2H | Match data | Apr 13, 2018* | R16 | U.S. Men's Clay Court Championship | ATP 250 | Clay |
| Alexander Zverev | 6-7(4) 6-4 6-4 | W | H2H | Match data | Apr 1, 2018* | F | Miami Open | Masters 1000 | Hard |
| Juan Martin del Potro | 6-1 7-6(2) | W | H2H | Match data | Mar 31, 2018* | SF | Miami Open | Masters 1000 | Hard |
| Hyeon Chung | 6-1 6-4 | W | H2H | Match data | Mar 30, 2018* | QF | Miami Open | Masters 1000 | Hard |
| Marin Cilic | 7-6(0) 6-3 | W | H2H | Match data | Mar 28, 2018* | R16 | Miami Open | Masters 1000 | Hard |
| Mikhail Youzhny | 6-4 6-3 | W | H2H | Match data | Mar 26, 2018* | R32 | Miami Open | Masters 1000 | Hard |
| Jiri Vesely | 7-6(3) 1-6 6-3 | W | H2H | Match data | Mar 24, 2018* | R64 | Miami Open | Masters 1000 | Hard |
| Gael Monfils | 7-6(5) 6-7(3) 5-7 | L | H2H | Match data | Mar 11, 2018* | R64 | Indian Wells Open | Masters 1000 | Hard |
| Ryan Harrison | 3-6 6-7(5) | L | H2H | Match data | Feb 28, 2018* | R32 | Mexican Open | ATP 500 | Hard |
| Peter Gojowczyk | 6-7(3) 7-6(4) 6-7(5) | L | H2H | Match data | Feb 23, 2018* | R16 | Delray Beach Open | ATP 250 | Hard |
| Radu Albot | 5-7 6-3 6-4 | W | H2H | Match data | Feb 22, 2018* | R32 | Delray Beach Open | ATP 250 | Hard |
| Radu Albot | 6-7(5) 6-3 3-6 | L | H2H | Match data | Feb 16, 2018* | R16 | Dallas Open | ATP 250 | Hard |
| Matthew Ebden | 4-6 6-3 3-6 3-6 | L | H2H | Match data | Jan 17, 2018* | R128 | Australian Open | Grand Slam | Hard |
| Hyeon Chung | 6-7(3) 7-5 2-6 | L | H2H | Match data | Jan 11, 2018* | R16 | ASB Classic | ATP 250 | Hard |
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.