Miguel Semmler defeated Ivan Arenas Gualda 6-1 3-6 7-6 in the Spain F21 round of 32 on hard. The upset overturned the form book — Ivan Arenas Gualda came in leading the head-to-head 2–1. Miguel Semmler narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-03-30 | Spain F7 | R16 | hard | Miguel Semmler | 0-6 6-0 7-6(5) |
| 2014-04-28 | Spain F7 | R16 | hard | Ivan Arenas Gualda | 6-4 1-6 6-4 |
| 2013-09-09 | Spain F30 | R16 | hard | Ivan Arenas Gualda | 6-4 6-4 |
Averages over each player's completed matches in the selected window (64 vs 9). 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