Facundo Bagnis defeated Thiago Monteiro 6-7 6-4 6-4 in the Buenos Aires qualifying round 1 on clay. The result followed the form book — Facundo Bagnis came in leading the head-to-head 4–0. Facundo Bagnis extended the head-to-head to 5–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-07-21 | Kitzbuhel | Q2 | clay | Facundo Bagnis | 6-1 6-4 |
| 2019-02-11 | Buenos Aires | Q1 | clay | Facundo Bagnis | 6-7(8) 6-4 6-4 |
| 2017-07-31 | Kitzbuhel | Q2 | clay | Facundo Bagnis | 3-6 6-4 6-3 |
| 2015-02-23 | Buenos Aires | Q3 | clay | Facundo Bagnis | 7-5 5-7 6-2 |
Averages from each player's recent completed matches (18 vs 20). ATP, WTA & Challenger.