Hunter Callahan defeated Pavel Krainik 3-6 7-5 6-3 in the Greece F6 q16 on hard. The upset overturned the form book — Pavel Krainik came in leading the head-to-head 1–0, but Hunter Callahan had been the form player, winning 3 of their last 6 on hard. Hunter Callahan claimed a first win over Pavel Krainik in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-09-05 | Canada F5 | R32 | clay | Pavel Krainik | 2-6 6-4 6-3 |
Averages over each player's completed matches in the selected window (38 vs 77). 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