H2H data updated: 2026-10-18 00:00 UTC

William Brown vs Clark Graebner H2H: 0-2

Clark Graebner holds a 2–0 lead over William Brown in their ATP head-to-head. Across 2 main-draw meetings, Clark Graebner leads 2–0 on hard courts. Most recently, Clark Graebner won the 1973 Jackson round of 16 6-1 6-1.

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William Brown
USA Age 81 Right-Handed
H2H
0 – 2
2 main-draw meetings
Clark Graebner
USA Age 82 Right-Handed 188 cm / 6'2"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Clark Graebner 6-1 6-1 William Brown Match data Mar 26, 1973* R16 Jackson ATP 250 Hard
Clark Graebner 6-2 6-4 William Brown Match data Jan 31, 1969* QF Omaha 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
Clark Graebner #199 #45 0 2,013 339 160 67.9% 0 0 0 0 12 12

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 Clark Graebner
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 1968 74–22 77.1% — 1,818 0 2
25 1970 1–7 12.5% — 1,425 0 0 1969 49–14 77.8% — 1,840 0 6
26 1971 1–6 14.3% — 1,415 0 0 1970 55–27 67.1% — 1,838 0 8
27 1972 3–8 27.3% — 1,440 0 0 1971 75–29 72.1% — 1,867 0 11
28 1973 2–12 14.3% #224 1,409 0 0 1972 33–22 60.0% — 1,811 0 11
29 1974 11–19 36.7% #86 1,549 0 0 1973 34–19 64.2% #48 1,769 0 12
30 1975 5–16 23.8% #165 1,485 0 0 1974 11–13 45.8% #99 1,693 0 12
31 1976 1–1 50.0% #239 1,511 0 0 1975 8–11 42.1% #120 1,583 0 12
32 1977 0–1 0.0% #366 1,492 0 0 1976 0–3 0.0% #199 1,540 0 12

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 Clark Graebner
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% — — — — — — — — 1968 30 11 41 73.2% 9 3 12 75.0% 28 6 34 82.4% 7 2 9 77.8%
25 1970 0 5 5 0.0% — — — — 1 2 3 33.3% — — — — 1969 13 2 15 86.7% 10 4 14 71.4% 22 6 28 78.6% 4 2 6 66.7%
26 1971 0 4 4 0.0% 1 1 2 50.0% — — — — 0 1 1 0.0% 1970 15 11 26 57.7% 19 5 24 79.2% 12 3 15 80.0% 9 8 17 52.9%
27 1972 0 2 2 0.0% 0 1 1 0.0% 2 3 5 40.0% 1 2 3 33.3% 1971 36 9 45 80.0% 19 7 26 73.1% 14 5 19 73.7% 6 8 14 42.9%
28 1973 1 5 6 16.7% 1 1 2 50.0% 0 5 5 0.0% 0 1 1 0.0% 1972 17 10 27 63.0% 2 2 4 50.0% 9 4 13 69.2% 5 6 11 45.5%
29 1974 1 3 4 25.0% 3 7 10 30.0% 3 4 7 42.9% 4 5 9 44.4% 1973 18 8 26 69.2% 5 4 9 55.6% 3 3 6 50.0% 8 4 12 66.7%
30 1975 0 2 2 0.0% 2 6 8 25.0% 0 1 1 0.0% 3 7 10 30.0% 1974 2 4 6 33.3% 4 4 8 50.0% 2 2 4 50.0% 3 3 6 50.0%
31 1976 1 1 2 50.0% — — — — — — — — — — — — 1975 0 1 1 0.0% 3 4 7 42.9% — — — — 5 6 11 45.5%
32 1977 — — — — 0 1 1 0.0% — — — — — — — — 1976 0 1 1 0.0% — — — — — — — — 0 2 2 0.0%
Career — 5 24 29 17.2% 8 22 30 26.7% 7 19 26 26.9% 8 16 24 33.3% — 131 57 188 69.7% 71 33 104 68.3% 90 29 119 75.6% 47 41 88 53.4%

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 William Brown Clark Graebner
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 — — — — +136 +5 — 29.4% -1.29 1–1 — — -0.32 1968 1819 133.7 — — — — +90 -116 +78 73.3% +1.64 10–8 (56%) — — +0.48
25 1970 1426 102.9 — — — — +82 — +33 31.8% -1.32 0–3 (0%) — — +0.12 1969 1841 131.4 — — — — +152 -98 +107 71.5% +1.35 8–5 (62%) 1–0 — +5.30
26 1971 1416 98.5 — — — — +21 — — 21.4% -1.64 1–1 0–1 — +0.05 1970 1838 134.4 — — — — -19 +57 +151 62.2% +0.83 16–8 (67%) 4–2 (67%) 105.2 +2.72
27 1972 1441 106.2 — — — — +7 — +72 37.0% -0.63 1–2 (33%) 1–3 (25%) 97.4 +0.30 1971 1868 141.1 — — — — +44 +24 +135 65.4% +1.01 21–7 (75%) 17–15 (53%) 106.8 +5.39
28 1973 1410 107.0 — — — — +31 — +18 24.2% -1.79 1–2 (33%) 3–3 (50%) 99.0 +0.02 1972 1811 136.3 — — — — +26 +67 +132 58.0% +0.62 5–8 (38%) 6–4 (60%) 93.8 +3.02
29 1974 1550 114.9 — — — — -55 -68 -71 37.7% -1.26 1–3 (25%) 6–5 (55%) 99.7 +0.70 1973 1770 134.0 — — — — +58 +77 +109 62.2% +0.84 6–5 (55%) 9–9 (50%) 98.1 +3.71
30 1975 1486 110.8 — — — — -1 -31 — 28.8% -1.54 4–3 (57%) 4–4 (50%) 102.6 +1.07 1974 1693 113.9 — — — — +41 +97 +143 46.2% -0.38 6–5 (55%) 3–4 (43%) 97.5 +1.74
31 1976 1512 113.6 — — — — — — — 40.0% -0.20 1–0 1–0 — -0.37 1975 1583 111.5 — — — — +72 +119 — 52.4% -0.05 0–5 (0%) 6–3 (67%) 94.0 +3.44
32 1977 1493 94.5 — — — — — — — 0.0% -3.00 — 0–1 — +0.28 1976 1540 91.6 — — — — +45 — — 0.0% -3.83 — — — +0.51
Career — 1556 110.6 — — — — +11 -32 +2 31.5% -1.32 10–16 (38%) 15–17 (47%) 97.3 +1.76 — 2014 136.4 — — — — +51 +17 +113 64.3% +0.96 72–51 (59%) 46–37 (55%) 100.2 +5.37

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.