Yannik Reuter defeated Wesley Koolhof 7-6 2-6 6-2 in the Turkey F12 round of 16 on hard. The upset overturned the form book — Wesley Koolhof came in leading the head-to-head 1–0. Yannik Reuter claimed a first win over Wesley Koolhof in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-08-15 | Belgium F8 | R32 | clay | Wesley Koolhof | 7-6(6) 7-6(8) |
Averages over each player's completed matches in the selected window (143 vs 11). 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