Stan Wawrinka defeated Donald Young 7-6 6-7 6-4 in the Basel round of 16 on hard. The upset overturned the form book — Donald Young came in leading the head-to-head 2–1, defending last year's quarter-final. Stan Wawrinka narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-07-31 | Washington | R64 | hard | Donald Young | 6-4 6-7(5) 7-6(3) |
| 2015-09-07 | US Open | R16 | hard | Stan Wawrinka | 6-4 1-6 6-3 6-4 |
| 2011-09-02 | US Open | R64 | hard | Donald Young | 7-6(7) 3-6 2-6 6-3 7-6(1) |
Averages over each player's completed matches in the selected window (198 vs 106). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Wawrinka S.: 2 days rest · 2 matches, 45 games (7d). Higher means fresher. About
wins 65% of points on serve vs Wawrinka S.
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