Chun Hsin Tseng defeated Christopher Oconnell 6-3 6-2 in the Munich qualifying round 1 on clay. The upset overturned the form book — Christopher Oconnell came in ranked #127, defending last year's round of 32, but Chun Hsin Tseng had been the form player, winning 3 of their last 5 on clay. Chun Hsin Tseng extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-07-27 | Canada Masters | R128 | hard | Christopher Oconnell | 6-1 6-2 |
| 2022-09-26 | Seoul | R32 | hard | Chun Hsin Tseng | 6-4 0-0 |
Averages over each player's completed matches in the selected window (73 vs 48). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Hsin Tseng C.: 1 day rest · 2 matches, 44 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About