Mikhail Vasiliev defeated Claudio Grassi 6-0 6-3 in the Italy F15 round of 32 on clay. Mikhail Vasiliev extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-04-26 | Great Britain F5 | R16 | clay | Mikhail Vasiliev | 5-7 6-1 7-5 |
| 2007-08-20 | Croatia F7 | R16 | clay | Claudio Grassi | 1-6 7-6(4) 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.