H2H data updated: 2026-09-01 00:00 UTC

Learner Tien vs Facundo Diaz Acosta H2H: 1-0

Learner Tien holds a 1–0 lead over Facundo Diaz Acosta in their ATP head-to-head. Across 1 main-draw meeting, Learner Tien leads 1–0 on clay. Most recently, Learner Tien won the 2026 Roland Garros second round 7-5 4-6 3-6 7-6(4) 6-3.

United States Age 20 Left-Handed 180 cm / 5'11"
H2H
1 0
1 main draw meetings
Argentina Age 25 Left-Handed 183 cm / 6'0"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Learner Tien #18 7-5 4-6 3-6 7-6(4) 6-3 Facundo Diaz Acosta #151 Match data May 28, 2026 R64 Roland Garros Grand Slam 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 #15 #12 2,565 1,974 62 42 59.6% 0 0 0 0 2 2
Facundo Diaz Acosta #82 #47 1,048 1,688 23 33 41.1% 0 0 0 0 1 1

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 Facundo Diaz Acosta
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
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 2020 0–1 0.0% #403 1,475 0 0
20 2026 27–15 64.3% #15 1,917 0 2 2021 0–1 0.0% #338 1,470 0 0
22 2023 2–4 33.3% #95 1,494 0 0
23 2024 16–17 48.5% #79 1,597 0 1
24 2025 3–5 37.5% #212 1,593 0 1
25 2026 2–5 28.6% #82 1,594 0 1

Surface Results by Age

Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.

Age Learner Tien Facundo Diaz Acosta
Yr HardClayGrass Yr HardClayGrass
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
16 2022 0 1 1 0.0%
17 2023 0 1 1 0.0%
18 2024 3 2 5 60.0%
19 2025 27 14 41 65.9% 1 6 7 14.3% 4 3 7 57.1% 2020 0 1 1 0.0%
20 2026 16 9 25 64.0% 9 4 13 69.2% 2 2 4 50.0% 2021 0 1 1 0.0%
22 2023 1 2 3 33.3% 1 2 3 33.3%
23 2024 1 7 8 12.5% 15 9 24 62.5% 0 1 1 0.0%
24 2025 3 2 5 60.0% 0 3 3 0.0%
25 2026 0 1 1 0.0% 2 4 6 33.3%
Career 46 27 73 63.0% 10 10 20 50.0% 6 5 11 54.5% 5 12 17 29.4% 18 20 38 47.4% 0 1 1 0.0%

Performance Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 99/105 of Learner Tien's and 56/56 of Facundo Diaz Acosta's main draw matches. Sample is shown as matches with detailed serve and return statistics / total main draw matches. Bold green marks the stronger value when both stat samples contain at least 5 matches; lower is better for DFs/M.

Age Learner Tien Facundo Diaz Acosta
Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts% Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts%
16 2022 1/1 5.0 4.0 66.7% 66.2% 37.8% 50.0% 25.0% 56.8% 32.0% —/—
17 2023 1/1 4.0 6.0 61.2% 53.5% 37.8% 68.0% 50.0% 47.4% 33.8% —/—
18 2024 5/5 2.8 1.8 68.7% 60.9% 59.0% 63.2% 34.4% 60.1% 39.8% —/—
19 2025 50/55 3.9 4.3 60.2% 68.3% 51.3% 62.8% 40.7% 61.4% 36.6% 2020 1/1 5.0 8.0 60.0% 66.7% 40.6% 63.6% 28.6% 56.3% 32.6%
20 2026 42/43 6.1 4.2 63.2% 69.9% 51.0% 51.6% 43.3% 62.9% 39.0% 2021 1/1 0.0 7.0 44.8% 60.0% 48.6% 20.0% 42.9% 53.7% 43.4%
22 —/— 2023 6/6 3.0 4.5 62.3% 68.1% 48.0% 59.1% 35.7% 60.8% 36.1%
23 —/— 2024 33/33 2.7 3.0 64.0% 66.3% 52.9% 57.8% 43.4% 61.4% 38.3%
24 —/— 2025 8/8 4.4 4.5 63.6% 66.1% 43.9% 57.5% 42.0% 57.9% 36.5%
25 —/— 2026 7/7 5.6 3.1 69.4% 68.3% 51.4% 41.6% 35.0% 63.3% 35.7%
Career 99/105 4.8 4.2 62.0% 68.5% 51.3% 58.0% 41.4% 61.8% 37.7% 56/56 3.3 3.6 64.1% 66.6% 50.6% 55.3% 41.0% 60.9% 37.4%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics are precomputed from eligible main-draw results; point-stat values use the available detailed sample. 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 Facundo Diaz Acosta
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 2019 1485
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%) -0.50 2020 1476 100.0 -0.98 -0.99 0.745 43.8% 33.3% -1.67 0–1 +0.24
20 2026 1918 151.6 -0.61 +3.17 1.050 50.9% +44 -169 -274 57.3% +0.38 12–4 (75%) 18–6 (75%) +0.71 2021 1471 102.2 +0.93 -1.50 0.938 48.3% 0.0% -2.00 0–1 +0.03
21 2022 1449 99.2
22 2023 1495 117.1 -2.04 +1.09 0.921 48.6% +21 +38 38.9% -0.44 1–2 (33%) 1–2 (33%) -0.33
23 2024 1597 137.1 -1.92 +0.85 0.992 49.9% -98 +145 50.0% +0.18 6–7 (46%) 5–7 (42%) +0.60
24 2025 1594 117.4 -2.15 -0.76 0.866 47.6% -23 +86 42.9% -0.57 1–2 (33%) 1–2 (33%) -0.25
25 2026 1594 111.4 -0.98 +0.30 0.973 49.1% +90 40.9% -0.36 1–2 (33%) 1–2 (33%) -0.08
Career 1974 148.5 -1.22 +1.89 0.985 50.0% +23 -234 -271 54.2% +0.13 24–10 (71%) 36–17 (68%) 120.7 -0.01 1689 127.7 -1.78 +0.50 0.956 49.2% -52 +122 45.3% -0.15 9–14 (39%) 8–14 (36%) 95.3 +0.38

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.