By surface
| Surface | John Isner | Christopher Oconnell |
|---|---|---|
| Hard | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2021-07-26 | ATP | Atlanta | Quarterfinal | Hard | John Isner | 7-65 | 6-73 | 6-4 |
| Surface | John Isner | Christopher Oconnell |
|---|---|---|
| Hard | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2021-07-26 | ATP | Atlanta | Quarterfinal | Hard | John Isner | 7-65 | 6-73 | 6-4 |