Stan Wawrinka defeated Viktor Troicki 6-2 6-3 in the Monte Carlo Masters round of 64 on clay. The result followed the form book — Stan Wawrinka came in leading the head-to-head 7–0, defending last year's round of 64. Stan Wawrinka extended the head-to-head to 8–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-02-05 | Sofia | QF | hard | Stan Wawrinka | 6-1 7-6(3) |
| 2017-01-16 | Australian Open | R32 | hard | Stan Wawrinka | 3-6 6-2 6-2 7-6(7) |
| 2017-01-02 | Brisbane | R16 | hard | Stan Wawrinka | 7-6(5) 6-4 |
| 2016-05-23 | Roland Garros | R16 | clay | Stan Wawrinka | 7-6(5) 6-7(7) 6-3 6-2 |
| 2015-11-02 | Paris Masters | R16 | hard | Stan Wawrinka | 6-4 7-5 |
| 2015-10-11 | Shanghai Masters | R32 | hard | Stan Wawrinka | 7-6(3) 6-3 |
| 2010-05-03 | Belgrade | QF | hard | Stan Wawrinka | 7-5 6-7(3) 7-6(6) |
Averages from each player's recent completed matches (19 vs 20). ATP, WTA & Challenger.