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

Butch Walts vs Clark Graebner H2H: 1-1

Butch Walts and Clark Graebner are tied 1–1 in their ATP head-to-head. Across 2 main-draw meetings, they are tied 1–1 on carpet. Most recently, Butch Walts won the 1976 Salisbury round of 32 6-3 6-2.

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Butch Walts
USA Age 71 Right-Handed 193 cm / 6'4"
H2H
1 – 1
2 main draw meetings
Clark Graebner
USA Age 82 Right-Handed 188 cm / 6'2"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Butch Walts 6-3 6-2 Clark Graebner Match data Feb 17, 1976* R32 Salisbury ATP 250 Carpet
Clark Graebner 6-4 6-2 Butch Walts Match data Feb 12, 1975* R64 Salisbury ATP 250 Carpet

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
Butch Walts #755 #30 0 1,915 140 135 50.9% 0 0 0 0 4 4
Clark Graebner #199 #45 0 2,014 342 161 68.0% 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 Butch Walts Clark Graebner
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
20 1975 0–3 0.0% #396 1,482 0 0 — — — — — — —
21 1976 16–13 55.2% #79 1,667 0 1 — — — — — — —
22 1977 21–19 52.5% #50 1,760 0 2 — — — — — — —
23 1978 13–20 39.4% #116 1,661 0 2 — — — — — — —
24 1979 40–22 64.5% #39 1,870 0 4 1968 74–22 77.1% — 1,818 0 2
25 1980 22–23 48.9% #47 1,808 0 4 1969 49–14 77.8% — 1,840 0 6
26 1981 15–17 46.9% #85 1,707 0 4 1970 58–28 67.4% — 1,840 0 8
27 1982 3–5 37.5% #99 1,681 0 4 1971 75–29 72.1% — 1,868 0 11
28 1983 9–10 47.4% #473 1,679 0 4 1972 33–22 60.0% — 1,811 0 11
29 1984 1–3 25.0% #311 1,658 0 4 1973 34–19 64.2% #48 1,770 0 12
30 — — — — — — — 1974 11–13 45.8% #99 1,693 0 12
31 — — — — — — — 1975 8–11 42.1% #120 1,583 0 12
32 — — — — — — — 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 Butch Walts 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 %
20 1975 — — — — 0 2 2 0.0% — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — —
21 1976 9 6 15 60.0% 0 1 1 0.0% 0 1 1 0.0% 7 5 12 58.3% — — — — — — — — — — — — — — — — —
22 1977 2 6 8 25.0% 4 4 8 50.0% 7 4 11 63.6% 8 5 13 61.5% — — — — — — — — — — — — — — — — —
23 1978 9 6 15 60.0% 2 3 5 40.0% — — — — 2 11 13 15.4% — — — — — — — — — — — — — — — — —
24 1979 19 11 30 63.3% 3 5 8 37.5% — — — — 18 6 24 75.0% 1968 30 11 41 73.2% 9 3 12 75.0% 28 6 34 82.4% 7 2 9 77.8%
25 1980 9 6 15 60.0% 1 2 3 33.3% 2 3 5 40.0% 10 12 22 45.5% 1969 13 2 15 86.7% 10 4 14 71.4% 22 6 28 78.6% 4 2 6 66.7%
26 1981 5 5 10 50.0% 3 2 5 60.0% 0 2 2 0.0% 7 8 15 46.7% 1970 15 11 26 57.7% 22 6 28 78.6% 12 3 15 80.0% 9 8 17 52.9%
27 1982 1 4 5 20.0% — — — — — — — — 2 1 3 66.7% 1971 36 9 45 80.0% 19 7 26 73.1% 14 5 19 73.7% 6 8 14 42.9%
28 1983 2 5 7 28.6% — — — — 0 1 1 0.0% 7 4 11 63.6% 1972 17 10 27 63.0% 2 2 4 50.0% 9 4 13 69.2% 5 6 11 45.5%
29 1984 0 1 1 0.0% 0 1 1 0.0% — — — — 1 1 2 50.0% 1973 18 8 26 69.2% 5 4 9 55.6% 3 3 6 50.0% 8 4 12 66.7%
30 — — — — — — — — — — — — — — — — — 1974 2 4 6 33.3% 4 4 8 50.0% 2 2 4 50.0% 3 3 6 50.0%
31 — — — — — — — — — — — — — — — — — 1975 0 1 1 0.0% 3 4 7 42.9% — — — — 5 6 11 45.5%
32 — — — — — — — — — — — — — — — — — 1976 0 1 1 0.0% — — — — — — — — 0 2 2 0.0%
Career — 56 50 106 52.8% 13 20 33 39.4% 9 11 20 45.0% 62 54 116 53.4% — 131 57 188 69.7% 74 34 108 68.5% 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 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 Butch Walts 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
20 1975 1483 98.8 — — — — — — — 0.0% -3.75 — — — 0.00 — — — — — — — — — — — — — — — —
21 1976 1668 134.5 — — — — +66 — — 52.9% -0.10 6–3 (67%) 6–6 (50%) — +0.37 — — — — — — — — — — — — — — — —
22 1977 1760 136.6 — — — — +14 -163 -178 51.5% -0.20 7–7 (50%) 10–3 (77%) — +0.08 — — — — — — — — — — — — — — — —
23 1978 1661 120.5 — — — — +38 -90 — 41.0% -0.82 4–5 (44%) 6–7 (46%) — +2.44 — — — — — — — — — — — — — — — —
24 1979 1871 154.6 — — — — +71 -274 — 60.0% +0.68 15–7 (68%) 14–10 (58%) — +0.43 1968 1819 133.7 — — — — +90 -116 +78 73.3% +1.64 10–8 (56%) — — +0.49
25 1980 1808 150.4 — — — — +41 -210 -193 49.5% -0.08 4–7 (36%) 8–8 (50%) — -4.84 1969 1841 131.4 — — — — +153 -98 +107 71.5% +1.35 8–5 (62%) 1–0 — +5.30
26 1981 1708 135.2 — — — — +45 -82 — 46.3% -0.18 7–7 (50%) 9–10 (47%) — +0.04 1970 1841 135.3 — — — — -21 +68 +150 62.4% +0.83 17–8 (68%) 4–2 (67%) — +2.59
27 1982 1681 118.9 — — — — +33 — — 36.8% -1.16 1–0 1–0 — -0.15 1971 1868 141.1 — — — — +44 +29 +136 65.4% +1.01 21–7 (75%) 17–15 (53%) — +5.35
28 1983 1680 127.1 — — — — +24 — — 45.7% -0.04 5–3 (63%) 3–4 (43%) — +0.79 1972 1811 136.3 — — — — +27 +71 +133 58.0% +0.62 5–8 (38%) 6–4 (60%) — +3.04
29 1984 1659 107.4 — — — — +24 — — 33.3% -1.22 0–1 1–1 — -0.15 1973 1770 134.1 — — — — +58 +80 +109 62.2% +0.84 6–5 (55%) 9–9 (50%) — +3.67
30 — — — — — — — — — — — — — — — — 1974 1693 114.0 — — — — +41 +100 +143 46.2% -0.38 6–5 (55%) 3–4 (43%) — +1.75
31 — — — — — — — — — — — — — — — — 1975 1584 111.5 — — — — +73 +121 — 52.4% -0.05 0–5 (0%) 6–3 (67%) — +3.44
32 — — — — — — — — — — — — — — — — 1976 1541 91.6 — — — — +44 — — 0.0% -3.83 — — — +0.51
Career — 1915 145.5 — — — — +47 -172 -183 50.0% -0.09 49–40 (55%) 58–49 (54%) 105.5 -0.36 — 2015 136.6 — — — — +51 +24 +113 64.3% +0.96 73–51 (59%) 46–37 (55%) 100.5 +5.29

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.