Viktor Troicki defeated Philipp Kohlschreiber 6-3 6-4 in the Sofia quarter-final on hard. The upset overturned the form book — Philipp Kohlschreiber came in leading the head-to-head 4–1. Viktor Troicki narrowed the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-04-29 | Munich | QF | clay | Philipp Kohlschreiber | 6-3 7-6(3) |
| 2011-02-21 | Dubai | R32 | hard | Philipp Kohlschreiber | 6-1 7-6(2) |
| 2010-08-09 | Canada Masters | R32 | hard | Philipp Kohlschreiber | 6-4 3-6 6-0 |
| 2010-05-16 | Dusseldorf | RR | clay | Philipp Kohlschreiber | 7-6(1) 6-4 |
| 2008-08-25 | US Open | R64 | hard | Viktor Troicki | 2-6 6-3 6-4 3-0 RET |
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 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About