Nathalie Vierin defeated Petra Cetkovska 6-3 6-3 in the Vaduz 25K round of 16 on clay. The upset overturned the form book — Petra Cetkovska came in leading the head-to-head 2–0. Nathalie Vierin claimed a first win over Petra Cetkovska in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-04-23 | Torrent 50K | R32 | clay | Petra Cetkovska | 6-4 6-4 |
| 2007-03-19 | Tenerife 25K | QF | hard | Petra Cetkovska | 6-3 6-1 |
Averages over each player's completed matches in the selected window (11 vs 143). 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