Jose Luis Muguruza defeated Pere Riba 2-6 7-6 7-6 in the Spain 1 3 round of 32 on clay. The upset overturned the form book — Pere Riba came in leading the head-to-head 1–0, but Jose Luis Muguruza had been the form player, winning 7 of their last 9 on clay. Jose Luis Muguruza claimed a first win over Pere Riba in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-05-08 | Spain F14 | R16 | clay | Pere Riba | 6-7(4) 6-0 7-6(4) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.