

Jan Choinski defeated Zizou Bergs 6-3 6-4 in the Meerbusch CH round of 16 on clay. The upset overturned the form book — Zizou Bergs came in ranked #35, leading the head-to-head 2–1. Jan Choinski narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-06-25 | Eastbourne | QF | grass | Zizou Bergs | 3-6 3-6 |
| 2024-06-17 | Queen's Club | Q1 | grass | Zizou Bergs | 7-6(3) 6-7(5) 6-2 |
| 2024-01-01 | Hong Kong | Q1 | hard | Jan Choinski | 6-2 6-2 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Choinski J.: 2 days rest · 5 matches, 113 games (7d) · Bergs Z.: 10 days rest · 3 matches (14d). Higher means fresher. About