Marc Sieber defeated Pedro Sousa 6-2 6-3 in the Portugal F5 qualifying round on clay. The upset overturned the form book — Pedro Sousa came in leading the head-to-head 2–0, but Marc Sieber had been the form player, winning 3 of their last 5 on clay. Marc Sieber claimed a first win over Pedro Sousa in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-03-14 | Tunisia F10 | QF | clay | Pedro Sousa | 6-1 6-2 |
| 2011-02-28 | Portugal F1 | R16 | hard | Pedro Sousa | 3-6 6-3 6-4 |
Averages over each player's completed matches in the selected window (141 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