Head to head
1
Hard
2
Christopher O'Connell's wins on the left · Jannik Sinner's on the right · bar lengths share one scale
All meetings (3)
| 2024 | US Open | Hard | R32 | Jannik Sinner | 6-1 6-4 6-2 |
| 2024 | Miami Masters | Hard | R16 | Jannik Sinner | 6-4 6-3 |
| 2021 | Atlanta | Hard | R16 | Christopher O'Connell | 7-6(7) 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.