Ekaterina Bychkova advanced when Arantxa Rus retired 6-7 7-6 2-0 in the Astana 100K round of 16. Ekaterina Bychkova extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-01-09 | Australian Open | Q128 | hard | Ekaterina Bychkova | 6-3 6-4 |
| 2013-05-13 | Saint Gaudens 50K | R32 | clay | Ekaterina Bychkova | 6-3 6-4 |
| 2010-10-04 | Barnstaple 75K | R32 | hard | Arantxa Rus | 7-6(6) 6-4 |
Averages over each player's completed matches in the selected window (27 vs 200). 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