Head to head
Rivalry summary
John Isner and Christopher O'Connell met 1 times on the ATP tour between 2021 and 2021. John Isner leads the head-to-head 1–0 against Christopher O'Connell.
1
Hard
0
John Isner's wins on the left · Christopher O'Connell's on the right · bar lengths share one scale
All meetings (1)
| 2021 | Atlanta | Hard | QF | John Isner | 7-6(5) 6-7(3) 6-4 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.