Jarkko Nieminen defeated Juan Martin del Potro 6-4 4-6 7-6 in the Monte Carlo Masters round of 16 on clay. The upset overturned the form book — Juan Martin del Potro came in leading the head-to-head 4–0. Jarkko Nieminen claimed a first win over Juan Martin del Potro in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-02-11 | Rotterdam | QF | hard | Juan Martin del Potro | 6-3 6-4 |
| 2011-08-08 | Canada Masters | R64 | hard | Juan Martin del Potro | 6-4 6-0 |
| 2008-10-12 | Madrid Masters | R32 | clay | Juan Martin del Potro | 6-2 4-2 RET |
| 2008-09-29 | Tokyo | R16 | hard | Juan Martin del Potro | 6-1 6-3 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.