Maria Joao Koehler defeated Karin Knapp 2-6 6-2 6-2 in the Rabat 25K semi-final on clay. Maria Joao Koehler extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-01-14 | Australian Open | R128 | hard | Maria Joao Koehler | 3-6 6-3 6-3 |
| 2010-11-15 | Mallorca 10K | QF | clay | Karin Knapp | 6-3 2-6 6-4 |
Averages over each player's completed matches in the selected window (23 vs 155). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About