Geoffrey Blancaneaux defeated Chun Hsin Tseng 6-3 7-5 in the Istanbul 2 CH round of 16 on hard. The upset overturned the form book — Chun Hsin Tseng came in ranked #269, leading the head-to-head 2–0. Geoffrey Blancaneaux claimed a first win over Chun Hsin Tseng in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-06-23 | Eastbourne | Q1 | grass | Chun Hsin Tseng | 5-7 7-6 6-3 |
| 2025-06-21 | Eastbourne | Q16 | grass | Chun Hsin Tseng | 5-7 7-6(4) 6-3 |
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
Blancaneaux G.: 1 day rest · 1 match, 28 games (7d) · Hsin Tseng C.: 1 day rest · 1 match, 17 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