Jordi Samper Montana defeated Steven Diez 6-4 6-4 in the Spain F39 round of 32 on clay. The upset overturned the form book — Steven Diez came in leading the head-to-head 4–0. Jordi Samper Montana claimed a first win over Steven Diez in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-05-13 | Spain F14 | QF | clay | Steven Diez | 6-0 6-4 |
| 2011-10-24 | Spain F39 | F | clay | Steven Diez | 3-6 6-2 6-4 |
| 2011-06-20 | Morocco F4 | QF | clay | Steven Diez | 7-5 6-2 |
| 2009-02-09 | Spain F5 | R32 | clay | Steven Diez | 4-6 7-6(4) 6-2 |
Averages over each player's completed matches in the selected window (191 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