Viktor Troicki defeated Sergiy Stakhovsky 6-4 6-4 in the Paris Masters round of 32 on hard. The upset overturned the form book — Sergiy Stakhovsky came in defending last year's round of 32. Viktor Troicki extended the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-04-16 | Monte Carlo Masters | Q1 | clay | Sergiy Stakhovsky | 6-1 6-3 |
| 2015-06-21 | Nottingham | R32 | grass | Sergiy Stakhovsky | 6-4 6-2 |
| 2012-09-24 | Bangkok | R32 | hard | Viktor Troicki | 6-7(4) 7-5 6-3 |
| 2011-01-03 | Doha | R32 | hard | Viktor Troicki | 6-4 7-5 |
| 2009-02-02 | Zagreb | QF | hard | Viktor Troicki | 6-3 6-2 |
| 2008-02-25 | Zagreb | R16 | hard | Sergiy Stakhovsky | 7-6(7) 3-6 6-4 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.