Roman Borvanov defeated Marcelo Arevalo 6-2 4-6 7-5 in the Guatemala F1 qualifying round on hard. The upset overturned the form book — Marcelo Arevalo came in leading the head-to-head 1–0. Roman Borvanov claimed a first win over Marcelo Arevalo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-11-09 | Mexico F15 | F | hard | Marcelo Arevalo | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.