
Ivo Karlovic defeated Stan Wawrinka 3-6 7-6 6-4 in the Basel round of 32 on hard. The upset overturned the form book — Stan Wawrinka came in leading the head-to-head 5–1, defending last year's round of 32. Ivo Karlovic narrowed the head-to-head to 5–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-08-16 | Cincinnati Masters | R16 | hard | Stan Wawrinka | 6-7(2) 7-6(5) 7-6(5) |
| 2014-03-06 | Indian Wells Masters | R64 | hard | Stan Wawrinka | 6-3 7-5 |
| 2013-08-26 | US Open | R64 | hard | Stan Wawrinka | 7-5 7-6(8) 6-4 |
| 2007-06-18 | Nottingham | R32 | grass | Ivo Karlovic | 6-3 7-6(3) |
| 2006-06-26 | Wimbledon | R128 | grass | Stan Wawrinka | 7-6(5) 3-6 6-2 6-7(8) 11-9 |
| 2006-04-24 | Barcelona | QF | clay | Stan Wawrinka | 4-6 6-3 6-4 |
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 (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