Nicolas Barrientos defeated Matheson Klein 4-6 7-6 6-2 in the Colombia F3 round of 32 on clay. The result followed the form book — Nicolas Barrientos came in leading the head-to-head 2–0. Nicolas Barrientos extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-05-06 | Guatemala F1 | QF | hard | Nicolas Barrientos | 6-3 4-6 6-3 |
| 2013-01-28 | Mexico F2 | SF | hard | Nicolas Barrientos | 7-5 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.