Miguel Angel Lopez Jaen defeated Guillermo Olaso 3-6 7-5 7-6 in the Spain F5 round of 16 on clay. The upset overturned the form book — Guillermo Olaso came in leading the head-to-head 2–0. Miguel Angel Lopez Jaen claimed a first win over Guillermo Olaso in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-08-30 | Spain F31 | QF | clay | Guillermo Olaso | 7-6(1) 0-6 7-5 |
| 2007-03-19 | Spain F11 | R32 | clay | Guillermo Olaso | 6-3 6-1 |
Averages over each player's completed matches in the selected window (3 vs 39). 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