Collarini A. vs Adolfo Daniel Vallejo
1 meeting so far, and Collarini A. leads the head to head 1-0.
If they played today
Collarini A.
51%
Sets 2–0
Thin data
Adolfo Daniel Vallejo
49%
2–0
26%
2–1
25%
1–2
25%
0–2
24%
Chance of a third set 50%
Current ratings and the head-to-head record, for a best-of-three match with no tournament attached. For the forecast of a scheduled match, open the match page.
Side by side
| Collarini A. | Adolfo Daniel Vallejo | |
| 1546 | Rating | 1536 (#310) |
| 20–14 (59%) | Win-loss | 25–26 (49%) |
| 3 | ATP/WTA matches | 26 |
| WWWLL | Recent form | WLWLL |
All meetings (1)
| 2025-09-29 | Collarini A. | 2–1 | ATP Singles: Antofagasta challenger |
Last five: Collarini A.
| 2025-11-23 | L | Heide G. | 0-2 | ATP Singles: Florianopolis challenger |
| 2025-11-22 | L | Prado Angelo J. | 0-2 | ATP Singles: Florianopolis challenger |
| 2025-11-21 | W | Ribeiro E. | 2-0 | ATP Singles: Florianopolis challenger |
| 2025-11-19 | W | Kestelboim M. | 2-0 | ATP Singles: Florianopolis challenger |
| 2025-11-18 | W | Kestelboim M. | 2-0 | ATP Singles: Florianopolis challenger |
Full record for Collarini A. →
Last five: Adolfo Daniel Vallejo
| 2026-09-01 | L | Gael Monfils | 1-3 | US Open, Men |
| 2026-08-25 | L | Botic Van de Zandschulp | 0-2 | Winston Salem |
| 2026-08-23 | W | Pablo Carreño Busta | 1-0 | Winston Salem |
| 2026-08-18 | L | Tommy Paul | 1-2 | Cincinnati |
| 2026-08-15 | W | Valentin Vacherot | 2-0 | Cincinnati |