Mervana Jugic Salkic defeated Joanna Sakowicz Kostecka 6-2 6-1 in the Bergamo 50K round of 16 on carpet. The upset overturned the form book — Joanna Sakowicz Kostecka came in leading the head-to-head 1–0. Mervana Jugic Salkic claimed a first win over Joanna Sakowicz Kostecka in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-11-05 | Ismaning 25K | R32 | carpet | Joanna Sakowicz Kostecka | 2-6 6-3 4-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.