Adolfo Daniel Vallejo vs Thiago Monteiro head-to-head
Adolfo Daniel Vallejo and Thiago Monteiro are level at 1-1 in the 2 meetings StatsNext stores (since the 2026 season): 1-1 on clay. Their most recent meeting, in the 2026 season (Qualifying round 1) on clay, was won by Adolfo Daniel Vallejo 6-7 6-4 6-2.
Every stored meeting
| Tournament week | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| Feb 23, 2026 | BCI Seguros Chile Open | Qualifying round 1 | clay | Adolfo Daniel Vallejo | 6-7 6-4 6-2 |
| Feb 16, 2026 | Rio Open presented by Claro | Qualifying round 1 | clay | Thiago Monteiro | 6-4 6-1 |
Current form
| Measure | Adolfo Daniel Vallejo | Thiago Monteiro | ATP average |
|---|---|---|---|
| 2026 record | 23-18 | 4-4 | |
| Service points won, 52 weeks | 62.3% | 64.4% | |
| Return points won, 52 weeks | 38.7% | 35.7% | |
| Dominance Ratio, 52 weeks | 1.03 | 1.00 |
Serve and return figures cover the last 52 weeks (a dash when too few matches have statistics); the tour average is every ATP player-match in that period.
How to read this
- StatsNext stores singles matches from the 2025 season; earlier meetings are not included. Walkovers are not meetings.
- 2 meetings are too few to show a pattern. Past results describe what happened, not what will happen.
This page contains no sportsbook prices or betting lines.