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 #136, 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 | 6.8-7.10 4-6 |
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 (171 vs 110). ATP, WTA & Challenger.
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.