Georgi Rumenov Payakov defeated Guillermo Olaso 7-6 3-6 6-4 in the Spain F16 round of 16 on clay. The upset overturned the form book — Guillermo Olaso came in leading the head-to-head 1–0. Georgi Rumenov Payakov claimed a first win over Guillermo Olaso in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-07-31 | Spain F25 | R16 | clay | Guillermo Olaso | 6-2 2-6 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