Guillermo Rivera Aranguiz defeated Facundo Bagnis 7-5 6-2 in the Argentina F1 qualifying round on clay. The result followed the form book — Guillermo Rivera Aranguiz came in leading the head-to-head 2–0. Guillermo Rivera Aranguiz extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-06-08 | Argentina F8 | SF | clay | Guillermo Rivera Aranguiz | 6-1 6-3 |
| 2008-09-15 | Bolivia F2 | R16 | clay | Guillermo Rivera Aranguiz | 7-6(4) 6-2 |
Averages over each player's completed matches in the selected window (35 vs 198). 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. About