Head to head
1
Hard
1
Chun-Hsin Tseng's wins on the left · Christopher O'Connell's on the right · bar lengths share one scale
All meetings (2)
| 2025 | Canada Masters | Hard | R128 | Christopher O'Connell | 6-1 6-2 |
| 2022 | Seoul | Hard | R32 | Chun-Hsin Tseng | 6-4 RET |
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.