Guillermo Garcia Lopez defeated Kevin Anderson 6-4 6-4 in the Vienna round of 32 on hard. The upset overturned the form book — Kevin Anderson came in leading the head-to-head 3–1, defending last year's round of 32. Guillermo Garcia Lopez narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-06-15 | Queen's Club | QF | grass | Kevin Anderson | 7-6(7) 7-5 |
| 2015-04-27 | Estoril | R16 | clay | Guillermo Garcia Lopez | 6-4 3-6 6-1 |
| 2011-10-17 | Stockholm | R32 | hard | Kevin Anderson | 7-6(1) 7-6(4) |
| 2011-03-23 | Miami Masters | R64 | hard | Kevin Anderson | 6-3 5-7 6-4 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.