Annalisa Bona defeated Nicole Riner 7-5 6-4 in the Sibenik 10K qualifying round on clay. The upset overturned the form book — Nicole Riner came in leading the head-to-head 1–0. Annalisa Bona claimed a first win over Nicole Riner in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-08-25 | Portschach 10K | SF | clay | Nicole Riner | 6-7(1) 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.