Viktor Troicki defeated Denis Istomin 6-4 6-3 in the Moscow qualifying round on hard. The result followed the form book — Viktor Troicki came in leading the head-to-head 2–1. Viktor Troicki extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-02-05 | Sofia | R16 | hard | Viktor Troicki | 7-6 1-6 7-6 |
| 2011-09-26 | Kuala Lumpur | R16 | hard | Viktor Troicki | 6-1 6-4 |
| 2010-08-22 | New Haven | SF | hard | Denis Istomin | 7-6 3-6 6-2 |
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
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About