David Vega Hernandez defeated Joao Domingues 6-4 6-0 in the Spain F26 qualifying round on clay. The upset overturned the form book — Joao Domingues came in leading the head-to-head 3–2, but David Vega Hernandez had been the form player, winning 1 of their last 4 on clay. David Vega Hernandez narrowed the head-to-head to 3–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-04-17 | Portugal F7 | QF | clay | Joao Domingues | 6-7(8) 6-0 6-4 |
| 2015-05-11 | Portugal F5 | QF | hard | Joao Domingues | 6-4 6-0 |
| 2014-05-19 | Portugal F5 | SF | hard | Joao Domingues | 2-6 6-3 6-0 |
| 2014-05-12 | Portugal F4 | SF | carpet | David Vega Hernandez | 6-3 6-3 |
| 2013-05-13 | Portugal F6 | R32 | carpet | David Vega Hernandez | 6-3 6-3 |
Averages over each player's completed matches in the selected window (108 vs 200). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About