Boy Westerhof defeated Carlos Calderon Rodriguez 6-4 6-4 in the Spain F13 round of 32 on clay. The upset overturned the form book — Carlos Calderon Rodriguez came in leading the head-to-head 2–0. Boy Westerhof claimed a first win over Carlos Calderon Rodriguez in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-09-19 | Portugal F4 | R32 | clay | Carlos Calderon Rodriguez | 7-6(6) 6-1 |
| 2009-03-30 | Egypt F5 | R16 | clay | Carlos Calderon Rodriguez | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.