Joao Domingues defeated Marcos Giraldi Requena 7-5 1-6 6-3 in the Portugal F4 round of 32 on hard. The result followed the form book — Joao Domingues came in leading the head-to-head 2–0. Joao Domingues extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-04-17 | Portugal F7 | R16 | clay | Joao Domingues | 6-3 6-1 |
| 2013-04-01 | Spain F9 | Q16 | carpet | Joao Domingues | 7-6(4) 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.