Carlos Palencia defeated Roman Borvanov 2-6 6-4 6-3 in the Mexico F4 qualifying round on clay. The upset overturned the form book — Roman Borvanov came in leading the head-to-head 1–0. Carlos Palencia claimed a first win over Roman Borvanov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-10-09 | Mexico F17 | SF | hard | Roman Borvanov | 6-7(6) 7-5 6-2 |
Averages over each player's completed matches in the selected window (2 vs 1). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About