By surface
| Surface | John Isner | Martin Klizan |
|---|---|---|
| Hard | 1 | 1 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2014-01-13 | ATP | Australian Open | Round of 128 | Hard | Martin Klizan | 2-6 | 6-76 | |||
| 2012-08-19 | ATP | Winston-Salem | Round of 32 | Hard | John Isner | 4-6 | 6-3 | 7-5 |