Steve Johnson defeated Stan Wawrinka 6-4 6-4 in the Rome Masters round of 64 on clay. The upset overturned the form book — Stan Wawrinka came in leading the head-to-head 3–0, defending last year's round of 16. Steve Johnson claimed a first win over Stan Wawrinka in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-02-25 | Acapulco | R16 | hard | Stan Wawrinka | 7-6(5) 6-4 |
| 2017-01-16 | Australian Open | R64 | hard | Stan Wawrinka | 6-3 6-4 6-4 |
| 2015-05-24 | Roland Garros | R32 | clay | Stan Wawrinka | 6-4 6-3 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
Averages over each player's completed matches in the selected window (200 vs 198). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Wawrinka S.: 14 days rest · 1 match (14d). Higher means fresher. About