Olga Vymetalkova defeated Sandra Kloesel 3-6 6-2 6-2 in the Prague 10K qualifying round on hard. The upset overturned the form book — Sandra Kloesel came in leading the head-to-head 3–0. Olga Vymetalkova claimed a first win over Sandra Kloesel in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-09-08 | Turin 25K | R32 | clay | Sandra Kloesel | 6-0 6-1 |
| 2003-06-09 | Marseille 50K | R32 | clay | Sandra Kloesel | 6-7(4) 7-5 6-1 |
| 2003-01-27 | Ortisei 50K | QF | carpet | Sandra Kloesel | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.