Nicole Riner defeated Sofia Kvatsabaia 6-0 6-1 in the Portschach 10K round of 32 on clay. The upset overturned the form book — Sofia Kvatsabaia came in leading the head-to-head 1–0. Nicole Riner claimed a first win over Sofia Kvatsabaia in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-03-01 | Lyon 10K | R32 | hard | Sofia Kvatsabaia | 6-4 7-6(2) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.