Dimitri Mazur defeated Dmitri Tomashevich 2-6 7-6 6-2 in the Russia F1 round of 16 on hard. The upset overturned the form book — Dmitri Tomashevich came in leading the head-to-head 2–1. Dimitri Mazur narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-04-23 | China F2 | R16 | hard | Dimitri Mazur | 6-3 6-2 |
| 2000-11-06 | Thailand F1 | F | hard | Dmitri Tomashevich | 6-4 3-6 6-3 |
| 1999-10-18 | Uzbekistan F5 | R32 | hard | Dmitri Tomashevich | 7-6 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.