Juan Martin del Potro defeated Kevin Anderson 3-6 7-6 6-2 in the Basel quarter-final on hard. The result followed the form book — Juan Martin del Potro came in leading the head-to-head 6–0. Juan Martin del Potro extended the head-to-head to 7–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-02-26 | Acapulco | F | hard | Juan Martin del Potro | 6-4 6-4 |
| 2017-02-20 | Delray Beach | R32 | hard | Juan Martin del Potro | 6-4 6-4 |
| 2013-07-29 | Washington | QF | hard | Juan Martin del Potro | 7-6(0) 6-3 |
| 2011-10-31 | Valencia | R16 | hard | Juan Martin del Potro | 6-4 6-4 |
| 2011-10-24 | Vienna | SF | hard | Juan Martin del Potro | 6-4 3-6 6-4 |
| 2011-02-21 | Delray Beach | QF | hard | Juan Martin del Potro | 6-4 6-4 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.