Monique Adamczak defeated Katie Obrien 6-4 6-1 in the Valladolid 25K qualifying round on hard. The upset overturned the form book — Katie Obrien came in leading the head-to-head 1–0. Monique Adamczak claimed a first win over Katie Obrien in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-03-23 | Jersey 25K | QF | hard | Katie Obrien | 6-3 6-3 |
Averages over each player's completed matches in the selected window (17 vs 31). 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