H2H data updated: 2026-09-04 00:00 UTC

William Brown vs Ingo Buding H2H: 1-0

William Brown holds a 1–0 lead over Ingo Buding in their ATP head-to-head. Across 1 main-draw meeting, William Brown leads 1–0 on hard courts. Most recently, William Brown won the 1969 Salisbury round of 64 6-1 6-3.

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William Brown
USA Age 81 Right-Handed
H2H
1 – 0
1 main draw meetings
Ingo Buding
GER Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
William Brown 6-1 6-3 Ingo Buding Match data Feb 12, 1969* R64 Salisbury ATP 250 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
William Brown #436 #86 0 1,555 28 81 25.7% 0 0 0 0 0 0
Ingo Buding — — — 1,615 — — — 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 William Brown Ingo Buding
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
23 1968 2–6 25.0% — 1,442 0 0 — — — — — — —
24 1969 2–5 28.6% — 1,448 0 0 — — — — — — —
25 1970 1–7 12.5% — 1,425 0 0 — — — — — — —
26 1971 1–6 14.3% — 1,415 0 0 — — — — — — —
27 1972 3–8 27.3% — 1,440 0 0 — — — — — — —
28 1973 2–12 14.3% #224 1,409 0 0 — — — — — — —
29 1974 11–19 36.7% #86 1,549 0 0 — — — — — — —
30 1975 5–16 23.8% #165 1,485 0 0 — — — — — — —
31 1976 1–1 50.0% #239 1,511 0 0 — — — — — — —
32 1977 0–1 0.0% #366 1,492 0 0 — — — — — — —

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 William Brown Ingo Buding
Yr HardClayGrassCarpet Yr HardClayGrassCarpet
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
23 1968 — — — — 1 2 3 33.3% 1 4 5 20.0% — — — — — — — — — — — — — — — — — — — — —
24 1969 2 2 4 50.0% 0 3 3 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
25 1970 0 5 5 0.0% — — — — 1 2 3 33.3% — — — — — — — — — — — — — — — — — — — — —
26 1971 0 4 4 0.0% 1 1 2 50.0% — — — — 0 1 1 0.0% 1968 0 4 4 0.0% 7 6 13 53.8% 0 1 1 0.0% 0 1 1 0.0%
27 1972 0 2 2 0.0% 0 1 1 0.0% 2 3 5 40.0% 1 2 3 33.3% 1969 1 4 5 20.0% 8 6 14 57.1% 0 3 3 0.0% — — — —
28 1973 1 5 6 16.7% 1 1 2 50.0% 0 5 5 0.0% 0 1 1 0.0% 1970 2 4 6 33.3% 4 4 8 50.0% 1 2 3 33.3% 1 3 4 25.0%
29 1974 1 3 4 25.0% 3 7 10 30.0% 3 4 7 42.9% 4 5 9 44.4% 1971 1 3 4 25.0% 1 3 4 25.0% — — — — 0 1 1 0.0%
30 1975 0 2 2 0.0% 2 6 8 25.0% 0 1 1 0.0% 3 7 10 30.0% — — — — — — — — — — — — — — — — —
31 1976 1 1 2 50.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
32 1977 — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 5 24 29 17.2% 8 22 30 26.7% 7 19 26 26.9% 8 16 24 33.3% — 4 15 19 21.1% 20 19 39 51.3% 1 6 7 14.3% 1 5 6 16.7%

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 William Brown Ingo Buding
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
23 1968 1443 97.1 — — — — — +51 -1 31.6% -0.95 0–1 — — +0.02 — — — — — — — — — — — — — — — —
24 1969 1449 101.9 — — — — +135 +5 — 29.4% -1.29 1–1 — — -0.32 — — — — — — — — — — — — — — — —
25 1970 1426 102.9 — — — — +83 — +34 31.8% -1.32 0–3 (0%) — — +0.14 — — — — — — — — — — — — — — — —
26 1971 1415 98.5 — — — — +22 — — 21.4% -1.64 1–1 0–1 — +0.06 1968 1521 104.8 — — — — -108 +65 — 42.9% -0.38 4–6 (40%) — — -0.27
27 1972 1441 106.2 — — — — +6 — +72 37.0% -0.63 1–2 (33%) 1–3 (25%) — +0.30 1969 1563 110.5 — — — — -161 +116 -92 42.2% -0.80 2–2 (50%) — — +0.20
28 1973 1410 107.0 — — — — +31 — +18 24.2% -1.79 1–2 (33%) 3–3 (50%) — +0.02 1970 1554 116.3 — — — — -120 +113 -99 45.5% -0.29 4–8 (33%) — — +1.30
29 1974 1550 114.9 — — — — -55 -68 -71 37.7% -1.26 1–3 (25%) 6–5 (55%) — +0.71 1971 1471 97.8 — — — — -78 +102 — 25.0% -1.25 1–2 (33%) 1–4 (20%) — +0.90
30 1975 1486 110.8 — — — — -1 -31 — 28.8% -1.54 4–3 (57%) 4–4 (50%) — +1.07 — — — — — — — — — — — — — — — —
31 1976 1512 113.7 — — — — — — — 40.0% -0.20 1–0 1–0 — -0.37 — — — — — — — — — — — — — — — —
32 1977 1493 94.5 — — — — — — — 0.0% -3.00 — 0–1 — +0.28 — — — — — — — — — — — — — — — —
Career — 1556 110.6 — — — — +11 -32 +2 31.5% -1.32 10–16 (38%) 15–17 (47%) 97.3 +1.80 — 1615 110.5 — — — — -117 +97 -96 41.2% -0.60 11–18 (38%) 1–4 (20%) 95.1 +3.13

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.