Guillermo Olaso defeated Georgi Rumenov Payakov 6-2 2-6 6-1 in the Spain F25 round of 16 on clay. The upset overturned the form book — Georgi Rumenov Payakov came in leading the head-to-head 1–0. Guillermo Olaso claimed a first win over Georgi Rumenov Payakov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-05-22 | Spain F16 | R16 | clay | Georgi Rumenov Payakov | 7-6(7) 3-6 6-4 |
Averages over each player's completed matches in the selected window (39 vs 3). 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