Domen Gostincar defeated Valentin Guenther 2-6 6-1 10-7 in the M15 Monastir 3 q32 on hard. The upset overturned the form book — Valentin Guenther came in leading the head-to-head 1–0. Domen Gostincar claimed a first win over Valentin Guenther in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-01-28 | M15 Monastir 4 | Q32 | hard | Valentin Guenther | 6-4 3-6 10-6 |
Averages over each player's completed matches in the selected window (2 vs 40). ATP, WTA & Challenger.
wins 65% of points on serve vs Gostincar D.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About