Match log updated: 2026-05-28 18:14 UTC
John Isner — ATP Match Log
Main draw matches: 23 | W: 9 | L: 14 | Win %: 39.1%
| Opponent | Score | Result | H2H | Match Data | Date ↓ | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|---|
| Michael Mmoh | 6-3 6-4 6-7(3) 4-6 6-7(7) | L | H2H | Match data | Aug 31, 2023* | R64 | US Open | Grand Slam | Hard |
| Facundo Diaz Acosta | 6-4 6-3 7-6(1) | W | H2H | Match data | Aug 30, 2023* | R128 | US Open | Grand Slam | Hard |
| Jordan Thompson | 6-7(5) 6-7(2) | L | H2H | Match data | Aug 15, 2023* | R64 | Cincinnati Open | Masters 1000 | Hard |
| Stefanos Tsitsipas | 2-6 4-6 | L | H2H | Match data | Aug 3, 2023* | R16 | Los Cabos Open | ATP 250 | Hard |
| Rinky Hijikata | 6-2 7-6(4) | W | H2H | Match data | Aug 2, 2023* | R32 | Los Cabos Open | ATP 250 | Hard |
| Dominik Koepfer | 6-3 6-7(4) 6-7(3) | L | H2H | Match data | Jul 27, 2023* | R32 | Atlanta | ATP 250 | Hard |
| Alex Michelsen | 6-7(6) 4-6 | L | H2H | Match data | Jul 22, 2023* | SF | Newport | ATP 250 | Grass |
| Tommy Paul | 4-6 6-3 7-6(4) | W | H2H | Match data | Jul 22, 2023* | QF | Newport | ATP 250 | Grass |
| Corentin Moutet | 6-3 6-4 | W | H2H | Match data | Jul 21, 2023* | R16 | Newport | ATP 250 | Grass |
| Alex Bolt | 6-4 2-6 6-3 | W | H2H | Match data | Jul 20, 2023* | R32 | Newport | ATP 250 | Grass |
| Jaume Munar | 6-4 3-6 4-6 4-6 | L | H2H | Match data | Jul 5, 2023* | R128 | Wimbledon | Grand Slam | Grass |
| Nuno Borges | 4-6 7-5 6-7(3) 6-4 6-7(9) | L | H2H | Match data | May 30, 2023* | R128 | Roland Garros | Grand Slam | Clay |
| Gijs Brouwer | 4-6 6-7(4) | L | H2H | Match data | Apr 7, 2023* | R16 | U.S. Men's Clay Court Championship | ATP 250 | Clay |
| Emilio Nava | 6-7(5) 6-7(4) | L | H2H | Match data | Mar 24, 2023* | R128 | Miami Open | Masters 1000 | Hard |
| Brandon Nakashima | 6-7(7) 3-6 | L | H2H | Match data | Mar 10, 2023* | R128 | Indian Wells Open | Masters 1000 | Hard |
| Taylor Fritz | 6-3 3-6 4-6 | L | H2H | Match data | Mar 1, 2023* | R32 | Mexican Open | ATP 500 | Hard |
| Yibing Wu | 7-6(4) 6-7(3) 6-7(12) | L | H2H | Match data | Feb 12, 2023* | F | Dallas Open | ATP 250 | Hard |
| J.J. Wolf | 3-6 7-5 7-6(4) | W | H2H | Match data | Feb 11, 2023* | SF | Dallas Open | ATP 250 | Hard |
| Emilio Gomez | 7-6(8) 7-5 | W | H2H | Match data | Feb 11, 2023* | QF | Dallas Open | ATP 250 | Hard |
| Daniel Altmaier | 6-3 7-6(1) | W | H2H | Match data | Feb 10, 2023* | R16 | Dallas Open | ATP 250 | Hard |
| Chun-Hsin Tseng | 7-6(5) 7-6(1) | W | H2H | Match data | Feb 9, 2023* | R32 | Dallas Open | ATP 250 | Hard |
| Adrian Mannarino | 7-6(5) 6-7(8) 2-6 2-6 | L | H2H | Match data | Jan 18, 2023* | R128 | Australian Open | Grand Slam | Hard |
| Gregoire Barrere | 7-6(3) 6-7(5) 3-6 | L | H2H | Match data | Jan 11, 2023* | R32 | 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.