Chun Hsin Tseng defeated Gustavo Heide 7-6 6-2 in the San Marino CH quarter-final on clay. The upset overturned the form book — Gustavo Heide came in ranked #128, leading the head-to-head 1–0. Chun Hsin Tseng claimed a first win over Gustavo Heide in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-06-22 | Wimbledon | QF | grass | Gustavo Heide | 6-7 4-6 |
Averages over each player's completed matches in the selected window (149 vs 125). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Hsin Tseng C.: 7 days rest · 1 match, 27 games (7d) · Heide G.: 5 days rest · 1 match, 28 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