

Roman Safiullin defeated Dmitry Popko 6-3 6-2 in the Nur-Sultan CH semi-final on hard. The result followed the form book — Roman Safiullin came in ranked #103. Roman Safiullin extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-09-25 | Kazakhstan F7 | R16 | clay | Dmitry Popko | 6-2 6-3 |
| 2014-11-24 | Turkey F42 | QF | hard | Roman Safiullin | 6-4 5-7 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
Safiullin R.: 1 day rest · 1 match, 19 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About