Ekaterina Bychkova defeated Stephanie Vongsouthi 7-6 7-6 in the Petange 75K round of 32 on clay. The result followed the form book — Ekaterina Bychkova came in leading the head-to-head 1–0. Ekaterina Bychkova extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-06-07 | Marseille 100K | R32 | clay | Ekaterina Bychkova | 6-1 2-6 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.