Mariya Koryttseva defeated Anastasia Yakimova 6-3 6-4 in the Biella 100K round of 32 on clay. The upset overturned the form book — Anastasia Yakimova came in leading the head-to-head 3–1. Mariya Koryttseva narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-07-18 | Baku | R16 | hard | Mariya Koryttseva | 6-2 7-5 |
| 2006-03-13 | Orange CA 50K | R32 | hard | Anastasia Yakimova | 7-5 6-1 |
| 2004-10-25 | Minsk 25K | QF | carpet | Anastasia Yakimova | 6-2 6-3 |
| 2003-11-17 | Deauville 25K | R16 | clay | Anastasia Yakimova | 6-7(2) 6-2 6-3 |
Averages over each player's completed matches in the selected window (15 vs 29). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About