Gerard Granollers defeated Marc Sieber 6-4 6-4 in the Portugal F2 semi-final on hard. The upset overturned the form book — Marc Sieber came in leading the head-to-head 2–0, but Gerard Granollers had been the form player, winning 2 of their last 4 on hard. Gerard Granollers claimed a first win over Marc Sieber in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-03-07 | Tunisia F9 | R32 | clay | Marc Sieber | 6-0 6-3 |
| 2015-08-24 | Germany F13 | QF | clay | Marc Sieber | 6-4 6-3 |
Averages over each player's completed matches in the selected window (172 vs 141). 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