

Stan Wawrinka defeated Alexander Bublik 6-3 7-6 in the United Cup round robin on hard. The upset overturned the form book — Alexander Bublik came in ranked #11, leading the head-to-head 2–1. Stan Wawrinka narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-02-13 | Rotterdam | R32 | hard | Stan Wawrinka | 7-6(5) 6-4 |
| 2022-09-19 | Metz | SF | hard | Alexander Bublik | 2-1 RET |
| 2022-04-11 | Monte Carlo Masters | R64 | clay | Alexander Bublik | 3-6 7-5 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
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About
Averages over each player's completed matches in the selected window (149 vs 194). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
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.
Wawrinka S.: 12 days rest · 1 match (14d) · Bublik A.: 6 days rest · 1 match, 33 games (7d). Higher means fresher. About