Thiago Monteiro defeated Roberto Carballes Baena 6-1 2-6 6-3 in the Guayaquil CH round of 16 on clay. The upset overturned the form book — Roberto Carballes Baena came in ranked #165, defending last year's round of 16. Thiago Monteiro extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-03-01 | Buenos Aires | R32 | clay | Thiago Monteiro | 6-2 6-3 |
| 2021-02-22 | Cordoba | R16 | clay | Thiago Monteiro | 6-3 6-4 |
| 2020-02-24 | Santiago | R16 | clay | Thiago Monteiro | 6-1 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Monteiro T.: 2 days rest · 2 matches, 67 games (7d) · Carballes Baena R.: 2 days rest · 1 match, 12 games (7d). Higher means fresher. About