Learner Tien
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Alex Michelsen | 1 | 3 | 4 | May 21, 2026 | H2H |
| Daniil Medvedev | 3 | 1 | 4 | Jan 25, 2026 | H2H |
| Cameron Norrie | 3 | 1 | 4 | Nov 8, 2025 | H2H |
| Nuno Borges | 3 | 0 | 3 | Aug 31, 2026 | H2H |
| Frances Tiafoe | 1 | 2 | 3 | Aug 18, 2026 | H2H |
H2H data updated: 2026-10-17 00:00 UTC
Learner Tien vs Adolfo Daniel Vallejo H2H: 0-1
Adolfo Daniel Vallejo holds a 1–0 lead over Learner Tien in their ATP head-to-head. Across 1 main-draw meeting, Adolfo Daniel Vallejo leads 1–0 on clay. Most recently, Adolfo Daniel Vallejo won the 2026 Madrid Open second round 6-4 6-3.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H
0
–
1
1 main-draw meetings
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Adolfo Daniel Vallejo | 6-4 6-3 | Learner Tien | Match data | Apr 25, 2026 | R64 | Madrid Open | Masters 1000 | Clay |
Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.
Career Comparison
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 including documented historical predecessor categories | Finals | 500 including documented historical predecessor categories | 250 including documented historical predecessor categories | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Learner Tien | #17 | #12 | 2,755 | 1,974 | 65 | 45 | 59.1% | 0 | 0 | 0 | 0 | 2 | 2 |
| Adolfo Daniel Vallejo | #52 | #52 | 1,048 | 1,709 | 15 | 15 | 50.0% | 0 | 0 | 0 | 0 | 0 | 0 |
Career Progression by Age
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Age | Learner Tien | Adolfo Daniel Vallejo | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 16 | 2022 | 0–1 | 0.0% | — | 1,495 | 0 | 0 | — | — | — | — | — | — | — |
| 17 | 2023 | 0–1 | 0.0% | #452 | 1,479 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | 2024 | 3–2 | 60.0% | #122 | 1,567 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 2025 | 32–23 | 58.2% | #28 | 1,910 | 0 | 1 | — | — | — | — | — | — | — |
| 20 | 2026 | 30–18 | 62.5% | #17 | 1,889 | 0 | 2 | — | — | — | — | — | — | — |
| 22 | — | — | — | — | — | — | — | 2026 | 15–15 | 50.0% | #52 | 1,703 | 0 | 0 |
Advanced Statistics Comparison by Age
Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.
| Age | Learner Tien | Adolfo Daniel Vallejo | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | |
| 16 | 2022 | 1496 | 106.9 | +1.66 | 0.00 | 0.741 | 44.9% | — | — | — | 25.0% | -2.00 | — | — | — | -0.09 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 17 | 2023 | 1480 | 110.3 | -1.68 | +2.67 | 0.642 | 41.8% | — | — | — | 0.0% | -3.67 | — | — | — | -0.10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 18 | 2024 | 1567 | 118.8 | -1.17 | +0.87 | 0.996 | 49.6% | +23 | — | — | 50.0% | -0.07 | 2–0 | 1–1 | — | -0.03 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 2025 | 1911 | 146.7 | -1.79 | +0.93 | 0.946 | 49.5% | +10 | -354 | -269 | 54.1% | +0.09 | 10–6 (63%) | 17–10 (63%) | 110.6 | -0.50 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2026 | 1890 | 153.1 | -0.44 | +2.91 | 1.047 | 50.8% | +33 | -139 | -246 | 56.9% | +0.34 | 13–6 (68%) | 19–8 (70%) | 112.3 | +1.29 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 1485 | 99.3 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 1703 | 132.4 | -1.79 | +1.82 | 1.004 | 50.2% | -24 | -34 | — | 50.0% | +0.06 | 2–5 (29%) | 4–7 (36%) | 95.2 | +0.73 |
| Career | — | 1974 | 149.3 | -1.11 | +1.84 | 0.987 | 50.0% | +20 | -214 | -261 | 54.3% | +0.13 | 25–12 (68%) | 37–19 (66%) | 118.2 | +0.52 | — | 1710 | 125.9 | -1.79 | +1.82 | 1.004 | 50.2% | -24 | -34 | — | 50.0% | +0.06 | 2–5 (29%) | 4–7 (36%) | 95.2 | +2.43 |
Career Rivalries
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
Adolfo Daniel Vallejo
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Tommy Paul | 0 | 3 | 3 | Oct 10, 2026 | H2H |
| Botic van de Zandschulp | 1 | 1 | 2 | Aug 25, 2026 | H2H |
| Valentin Royer | 1 | 0 | 1 | Oct 8, 2026 | H2H |
| Jiri Lehecka | 0 | 1 | 1 | Oct 4, 2026 | H2H |
| Matteo Berrettini | 1 | 0 | 1 | Oct 3, 2026 | H2H |