Steven Diez defeated Gerard Granollers 4-6 6-3 6-1 in the Tunisia F31 semi-final on clay. The upset overturned the form book — Gerard Granollers came in leading the head-to-head 4–2. Steven Diez narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-02-29 | Spain F6 | F | clay | Steven Diez | 5-7 6-1 6-0 |
| 2016-01-25 | Spain F1 | F | clay | Gerard Granollers | 6-3 6-1 |
| 2013-06-24 | Spain F19 | SF | hard | Gerard Granollers | 6-4 1-6 6-0 |
| 2009-04-20 | Spain F13 | R16 | clay | Steven Diez | 6-1 3-6 6-2 |
| 2009-03-02 | Spain F8 | R32 | clay | Gerard Granollers | 7-6(1) 6-4 |
| 2008-09-08 | Spain F34 | R32 | hard | Gerard Granollers | 6-3 3-3 |
Averages over each player's completed matches in the selected window (200 vs 64). 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