Denis Istomin defeated Illya Marchenko 6-4 7-6 in the Nur-Sultan CH round of 16 on hard. The result followed the form book — Denis Istomin came in leading the head-to-head 3–1. Denis Istomin extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-10-18 | Moscow | R32 | hard | Denis Istomin | 6-7 6-2 6-2 |
| 2010-06-13 | Eastbourne | QF | grass | Denis Istomin | 6-1 6-4 |
| 2009-10-19 | Moscow | R32 | hard | Illya Marchenko | 1-6 6-4 4-1 |
| 2007-05-07 | Uzbekistan F1 | SF | hard | Denis Istomin | 4-6 7-6(4) 6-2 |
Averages over each player's completed matches in the selected window (40 vs 137). 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