H2H data updated: 2026-09-02 00:00 UTC

Learner Tien vs Joao Fonseca H2H: 0-1

Joao Fonseca holds a 1–0 lead over Learner Tien in their ATP head-to-head. Across 1 main-draw meeting, Joao Fonseca leads 1–0 on hard courts. Most recently, Joao Fonseca won the 2025 Miami Open first round 6-7(1) 6-3 6-4.

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Learner Tien
United States Age 20 Left-Handed 180 cm / 5'11"
H2H
0 – 1
1 main draw meetings
Joao Fonseca
Brazil Age 20 Right-Handed 188 cm / 6'2"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Joao Fonseca #60 6-7(1) 6-3 6-4 Learner Tien #66 Match data Mar 21, 2025* R128 Miami Open Masters 1000 Hard

Estimated match date where the exact historical date is unavailable. 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
Joao Fonseca #26 #24 1,800 1,952 49 36 57.6% 0 0 0 1 1 2

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 Joao Fonseca
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 2022 0–1 0.0% — 1,495 0 0 2023 0–1 0.0% #727 1,493 0 0
17 2023 0–1 0.0% #452 1,479 0 0 2024 5–6 45.5% #145 1,553 0 0
18 2024 3–2 60.0% #122 1,567 0 0 2025 24–15 61.5% #24 1,826 0 2
19 2025 32–23 58.2% #28 1,910 0 1 2026 20–14 58.8% #26 1,917 0 2
20 2026 27–15 64.3% #15 1,917 0 2 — — — — — — —

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 Joao Fonseca
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% — — — — — — — — 2023 — — — — 0 1 1 0.0% — — — —
17 2023 0 1 1 0.0% — — — — — — — — 2024 — — — — 5 5 10 50.0% 0 1 1 0.0%
18 2024 3 2 5 60.0% — — — — — — — — 2025 13 8 21 61.9% 8 4 12 66.7% 3 3 6 50.0%
19 2025 27 14 41 65.9% 1 6 7 14.3% 4 3 7 57.1% 2026 7 5 12 58.3% 11 7 18 61.1% 2 2 4 50.0%
20 2026 16 9 25 64.0% 9 4 13 69.2% 2 2 4 50.0% — — — — — — — — — — — — —
Career — 46 27 73 63.0% 10 10 20 50.0% 6 5 11 54.5% — 20 13 33 60.6% 24 17 41 58.5% 5 6 11 45.5%

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 82/87 of Joao Fonseca'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 Joao Fonseca
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% 2023 1/1 2.0 2.0 61.2% 50.0% 36.8% 54.5% 33.3% 44.9% 32.6%
17 2023 1/1 4.0 6.0 61.2% 53.5% 37.8% 68.0% 50.0% 47.4% 33.8% 2024 11/11 3.5 2.3 62.9% 66.3% 54.9% 49.8% 39.4% 62.1% 38.3%
18 2024 5/5 2.8 1.8 68.7% 60.9% 59.0% 63.2% 34.4% 60.1% 39.8% 2025 38/39 6.7 2.3 66.4% 72.3% 52.2% 53.5% 36.7% 65.6% 36.3%
19 2025 50/55 3.9 4.3 60.2% 68.3% 51.3% 62.8% 40.7% 61.4% 36.6% 2026 32/36 5.3 1.6 68.5% 69.9% 55.7% 58.6% 44.9% 65.8% 36.6%
20 2026 42/43 6.1 4.2 63.2% 69.9% 51.0% 51.6% 43.3% 62.9% 39.0% — —/— — — — — — — — — —
Career — 99/105 4.8 4.2 62.0% 68.5% 51.3% 58.0% 41.4% 61.8% 37.7% — 82/87 5.7 2.0 66.7% 70.3% 53.7% 55.0% 40.2% 65.0% 36.6%

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 Joao Fonseca
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 2023 1493 100.6 -2.62 -2.73 0.592 38.9% — — — 0.0% -4.50 — — — +0.01
17 2023 1480 110.3 -1.68 +2.67 0.642 41.8% — — — 0.0% -3.67 — — — -0.10 2024 1553 119.8 -1.28 +1.17 1.009 50.4% — +43 — 50.0% +0.23 1–3 (25%) 3–2 (60%) — +0.68
18 2024 1567 118.8 -1.17 +0.87 0.996 49.6% +23 — — 50.0% -0.07 2–0 1–1 — -0.03 2025 1827 147.7 +1.99 +0.65 1.057 50.6% -37 -102 -209 56.4% +0.31 9–5 (64%) 13–13 (50%) — -0.36
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 2026 1918 153.5 +1.35 +2.29 1.070 51.4% -50 -33 -270 58.0% +0.43 5–6 (45%) 11–6 (65%) — -1.28
20 2026 1918 151.6 -0.61 +3.18 1.050 50.9% +44 -169 -273 57.3% +0.38 12–4 (75%) 18–6 (75%) — +0.71 — — — — — — — — — — — — — — — —
Career — 1974 148.5 -1.22 +1.89 0.985 50.0% +23 -234 -270 54.2% +0.13 24–10 (71%) 36–17 (68%) 120.7 -0.01 — 1953 147.7 +1.25 +1.32 1.046 50.7% -42 -35 -233 55.8% +0.30 15–14 (52%) 27–21 (56%) 110.2 -1.14

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.