H2H data updated: 2026-10-17 00:00 UTC

Joao Fonseca vs Ignacio Buse H2H: 0-1

Ignacio Buse holds a 1–0 lead over Joao Fonseca in their ATP head-to-head. Across 1 main-draw meeting, Ignacio Buse leads 1–0 on clay. Most recently, Ignacio Buse won the 2026 Rio Open second round 5-7 6-3 6-4.

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Joao Fonseca
Brazil Age 20 Right-Handed 188 cm / 6'2"
H2H
0 – 1
1 main-draw meetings
Ignacio Buse
Peru Age 22 Right-Handed 183 cm / 6'0"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Ignacio Buse #91 5-7 6-3 6-4 Joao Fonseca #38 Match data Feb 19, 2026 R16 Rio Open ATP 500 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
Joao Fonseca #29 #24 1,800 1,952 49 36 57.6% 0 0 0 1 1 2
Ignacio Buse #36 #30 1,550 1,799 26 23 53.1% 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 Joao Fonseca Ignacio Buse
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 2023 0–1 0.0% #727 1,493 0 0 — — — — — — —
17 2024 5–6 45.5% #145 1,553 0 0 — — — — — — —
18 2025 24–15 61.5% #24 1,826 0 2 — — — — — — —
19 2026 20–14 58.8% #29 1,917 0 2 — — — — — — —
21 — — — — — — — 2025 3–4 42.9% #102 1,562 0 0
22 — — — — — — — 2026 23–19 54.8% #36 1,743 0 2

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 Joao Fonseca Ignacio Buse
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 2023 1493 100.6 -2.62 -2.73 0.592 38.9% — — — 0.0% -4.50 — — — +0.01 — — — — — — — — — — — — — — — —
17 2024 1553 119.8 -1.28 +1.17 1.009 50.4% — +43 — 50.0% +0.23 1–3 (25%) 3–2 (60%) 98.6 +0.68 — — — — — — — — — — — — — — — —
18 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%) 109.6 -0.36 — — — — — — — — — — — — — — — —
19 2026 1918 153.5 +1.31 +2.35 1.070 51.4% -50 -29 -271 58.0% +0.43 5–6 (45%) 11–6 (65%) 105.5 -1.28 — — — — — — — — — — — — — — — —
20 — — — — — — — — — — — — — — — — 2024 1474 96.5 — — — — — — — — — — — — —
21 — — — — — — — — — — — — — — — — 2025 1562 115.3 -0.67 +0.10 0.914 48.4% — +28 — 36.8% -0.89 3–1 (75%) 1–0 — -0.35
22 — — — — — — — — — — — — — — — — 2026 1743 134.5 -2.09 +1.33 0.976 49.7% -99 +27 -132 48.6% -0.05 14–5 (74%) 11–9 (55%) 114.2 -0.25
Career — 1953 147.7 +1.23 +1.34 1.046 50.7% -42 -33 -234 55.8% +0.30 15–14 (52%) 27–21 (56%) 110.2 -1.14 — 1800 127.8 -1.89 +1.15 0.967 49.5% -99 +27 -132 46.9% -0.17 17–6 (74%) 12–9 (57%) 116.5 -1.22

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.