Learner Tien vs Adolfo Daniel Vallejo
1 meeting so far, and Adolfo Daniel Vallejo leads the head to head 1-0.
If they played today
Learner Tien
71%
Sets 2–0
High confidence
Adolfo Daniel Vallejo
29%
2–0
42%
2–1
30%
1–2
16%
0–2
12%
Chance of a third set 46%
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
| Learner Tien | Adolfo Daniel Vallejo | |
| 1680 (#55) | Rating | 1536 (#310) |
| 40–32 (56%) | Win-loss | 25–26 (49%) |
| 72 | ATP/WTA matches | 26 |
| WLWWL | Recent form | WLWLL |
All meetings (1)
| 2026-04-25 | Adolfo Daniel Vallejo | 0–2 4-6, 3-6 | ATP Madrid Masters |
Last five: Learner Tien
| 2026-09-07 | L | Karen Khachanov | 2-3 | US Open, Men |
| 2026-09-06 | W | Jakub Menšik | 3-2 | US Open, Men |
| 2026-09-03 | W | Gael Monfils | 3-0 | US Open, Men |
| 2026-08-19 | L | Frances Tiafoe | 1-2 | Cincinnati |
| 2026-08-16 | W | Sebastián Báez | 2-0 | Cincinnati |
Full record for Learner Tien →
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 |