Feliciano Lopez defeated Stan Wawrinka 6-4 6-4 in the Madrid Masters round of 16 on clay. The upset overturned the form book — Stan Wawrinka came in leading the head-to-head 5–2, defending last year's round of 64. Feliciano Lopez narrowed the head-to-head to 5–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-10-14 | Antwerp | R16 | hard | Stan Wawrinka | 6-7(4) 6-4 7-6(4) |
| 2017-06-19 | Queen's Club | R32 | grass | Feliciano Lopez | 7-6(4) 7-5 |
| 2014-06-23 | Wimbledon | R16 | grass | Stan Wawrinka | 7-6(5) 7-6(7) 6-3 |
| 2013-10-28 | Paris Masters | R32 | hard | Stan Wawrinka | 6-3 3-6 6-3 |
| 2013-07-22 | Gstaad | QF | clay | Feliciano Lopez | 6-4 2-6 4-3 RET |
| 2012-04-15 | Monte Carlo Masters | R64 | clay | Stan Wawrinka | 6-1 6-4 |
| 2007-10-07 | Vienna | QF | hard | Stan Wawrinka | 6-7(8) 6-3 6-4 |
Averages from each player's recent completed matches (20 vs 19). ATP, WTA & Challenger.