Giammarco Micolani defeated Diego Acosta 6-3 6-0 in the Paraguay F2 round of 16 on clay. The upset overturned the form book — Diego Acosta came in leading the head-to-head 1–0. Giammarco Micolani claimed a first win over Diego Acosta in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-10-18 | Paraguay F1 | R32 | clay | Diego Acosta | 3-2 |