Guillermo Garcia Lopez defeated Nicolas Almagro 6-4 7-5 in the Bucharest round of 16 on clay. The upset overturned the form book — Nicolas Almagro came in leading the head-to-head 6–3, defending last year's round of 32, but Guillermo Garcia Lopez had been the form player, winning 1 of their last 8 on clay. Guillermo Garcia Lopez narrowed the head-to-head to 6–4.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-08-08 | Los Cabos | R16 | hard | Nicolas Almagro | 7-6 6-3 |
| 2016-04-04 | Marrakech | R16 | clay | Guillermo Garcia Lopez | 1-6 6-3 6-4 |
| 2013-07-18 | Hamburg | R16 | clay | Nicolas Almagro | 6-2 6-3 |
| 2013-07-08 | Bastad | R16 | clay | Nicolas Almagro | 3-6 6-1 6-1 |
| 2010-08-30 | US Open | R64 | hard | Nicolas Almagro | 6-3 7-6 4-6 7-6 |
| 2008-06-23 | Wimbledon | R64 | grass | Guillermo Garcia Lopez | 6-3 3-6 5-7 6-1 6-2 |
| 2003-07-07 | Spain F13 | F | clay | Nicolas Almagro | 6-3 6-4 |
| 2003-04-07 | Spain F6 | R32 | clay | Nicolas Almagro | 6-3 6-1 |
| 2002-09-30 | Spain F17 | R16 | hard | Guillermo Garcia Lopez | 4-6 6-1 6-4 |
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About