Nicolas Jara Lozano defeated Guillermo Duran 6-4 6-2 in the Argentina F14 round of 32 on clay. Nicolas Jara Lozano extended the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-06-07 | Argentina F8 | R32 | clay | Guillermo Duran | 4-6 6-2 6-2 |
| 2010-04-26 | Argentina F4 | QF | clay | Guillermo Duran | 6-3 6-2 |
| 2009-05-11 | Argentina F5 | R32 | clay | Nicolas Jara Lozano | 7-6(2) 6-3 |
| 2008-12-08 | Argentina F18 | R32 | clay | Nicolas Jara Lozano | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.