H2H data updated: 2026-09-06 00:00 UTC

Tom Okker vs Earl Butch Buchholz H2H: 6-1

Tom Okker holds a 6–1 lead over Earl Butch Buchholz in their ATP head-to-head. Across 7 main-draw meetings, Tom Okker leads 3–0 on carpet and 2–0 on hard courts. Most recently, Tom Okker won the 1969 Vienna Open round robin 6-4 6-1.

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Tom Okker
NED Age 82 Right-Handed 177 cm / 5'10"
H2H
6 – 1
7 main-draw meetings
Earl Butch Buchholz
USA Right-Handed 188 cm / 6'2"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Tom Okker 6-4 6-1 Earl Butch Buchholz Match data Nov 13, 1969 RR Vienna Open ATP 250 Hard
Tom Okker 8-6 6-2 6-1 Earl Butch Buchholz Match data Nov 13, 1969* F Paris ATP 250 Carpet
Tom Okker 6-1 6-2 Earl Butch Buchholz Match data Oct 8, 1969* SF Tucson ATP 250 Hard
Tom Okker 6-4 6-0 Earl Butch Buchholz Match data Aug 20, 1969 RR Newport ATP 250 Grass
Tom Okker 6-4 6-2 Earl Butch Buchholz Match data Jul 13, 1969* R16 U.S. Pro Tennis Championships ATP 250 Carpet
Earl Butch Buchholz 6-4 2-6 6-4 Tom Okker Match data May 22, 1969 RR Amsterdam ATP 250 Clay
Tom Okker 6-1 6-5 Earl Butch Buchholz Match data May 1, 1969 RR Japanese Championships 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
Tom Okker #438 #3 0 2,196 668 278 70.6% 0 0 0 1 33 34
Earl Butch Buchholz #555 #156 0 1,942 98 81 54.7% 0 0 0 0 2 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.

Tom Okker Earl Butch Buchholz
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1968 89–23 79.5% — 1,793 0 4 1968 46–34 57.5% — 1,605 0 1
1969 86–25 77.5% — 2,029 0 12 1969 41–32 56.2% — 1,896 0 2
1970 59–27 68.6% — 1,947 0 17 1970 8–7 53.3% — 1,839 0 2
1971 74–31 70.5% — 2,012 0 19 1973 0–3 0.0% — 1,801 0 2
1972 69–31 69.0% — 2,042 0 20 1974 0–1 0.0% — 1,780 0 2
1973 91–23 79.8% #4 2,171 0 27 1975 3–2 60.0% #172 1,809 0 2
1974 61–18 77.2% #6 2,074 0 30 1976 0–1 0.0% #360 1,797 0 2
1975 39–13 75.0% #11 2,076 0 32 1978 0–1 0.0% #555 1,778 0 2
1976 33–18 64.7% #23 1,962 0 32 — — — — — — —
1977 15–13 53.6% #29 1,935 0 33 — — — — — — —
1978 20–20 50.0% #50 1,882 0 33 — — — — — — —
1979 20–18 52.6% #56 1,774 0 34 — — — — — — —
1980 11–13 45.8% #107 1,716 0 34 — — — — — — —
1981 1–5 16.7% — 1,652 0 34 — — — — — — —

Surface Results by Career Season

Rows are aligned in career order because complete birth data is unavailable. 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.

Tom Okker Earl Butch Buchholz
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 %
1968 26 9 35 74.3% 35 7 42 83.3% 20 2 22 90.9% 8 5 13 61.5% 1968 7 8 15 46.7% 2 3 5 40.0% 11 6 17 64.7% 26 17 43 60.5%
1969 19 9 28 67.9% 36 6 42 85.7% 14 4 18 77.8% 17 6 23 73.9% 1969 10 7 17 58.8% 8 6 14 57.1% 10 8 18 55.6% 13 11 24 54.2%
1970 15 6 21 71.4% 16 3 19 84.2% 21 12 33 63.6% 7 6 13 53.8% 1970 3 3 6 50.0% — — — — 0 1 1 0.0% 5 3 8 62.5%
1971 12 7 19 63.2% 24 10 34 70.6% 13 4 17 76.5% 25 10 35 71.4% 1973 — — — — — — — — — — — — 0 3 3 0.0%
1972 22 10 32 68.8% 10 5 15 66.7% 2 1 3 66.7% 35 15 50 70.0% 1974 — — — — 0 1 1 0.0% — — — — — — — —
1973 16 5 21 76.2% 39 8 47 83.0% 4 2 6 66.7% 32 8 40 80.0% 1975 — — — — 0 1 1 0.0% — — — — 3 1 4 75.0%
1974 14 5 19 73.7% 17 6 23 73.9% 6 2 8 75.0% 24 5 29 82.8% 1976 — — — — — — — — — — — — 0 1 1 0.0%
1975 13 3 16 81.3% 1 3 4 25.0% 10 1 11 90.9% 15 6 21 71.4% 1978 — — — — — — — — — — — — 0 1 1 0.0%
1976 6 3 9 66.7% 7 5 12 58.3% 5 2 7 71.4% 15 8 23 65.2% — — — — — — — — — — — — — — — — —
1977 4 4 8 50.0% 0 1 1 0.0% 3 1 4 75.0% 8 7 15 53.3% — — — — — — — — — — — — — — — — —
1978 3 4 7 42.9% 9 8 17 52.9% 6 2 8 75.0% 2 6 8 25.0% — — — — — — — — — — — — — — — — —
1979 11 6 17 64.7% 3 5 8 37.5% 4 1 5 80.0% 2 6 8 25.0% — — — — — — — — — — — — — — — — —
1980 5 4 9 55.6% 2 5 7 28.6% 2 1 3 66.7% 2 3 5 40.0% — — — — — — — — — — — — — — — — —
1981 1 3 4 25.0% 0 1 1 0.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
Career 167 78 245 68.2% 199 73 272 73.2% 110 36 146 75.3% 192 91 283 67.8% Career 20 18 38 52.6% 10 11 21 47.6% 21 15 36 58.3% 47 37 84 56.0%

Advanced Statistics Comparison by Career Season

Rows are aligned in career order because complete birth data is unavailable. 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.

Tom Okker Earl Butch Buchholz
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
1968 1794 133.7 — — — — +101 +28 +106 72.8% +1.68 13–8 (62%) — — +1.39 1968 1606 112.5 — — — — -36 -88 +43 61.1% +1.58 10–6 (63%) — — +0.84
1969 2030 149.0 — — — — +67 +67 -72 73.5% +1.60 14–8 (64%) 2–0 — -4.53 1969 1896 128.9 — — — — -45 -181 -133 51.2% -0.06 19–7 (73%) — — -4.30
1970 1947 145.1 — — — — -16 +206 +16 66.5% +1.16 8–11 (42%) 7–4 (64%) 95.7 +2.19 1970 1840 116.5 — — — — -14 — — 55.6% +0.28 4–2 (67%) 0–1 — -0.68
1971 2013 159.9 — — — — +69 +10 +75 65.3% +1.09 15–11 (58%) 15–22 (41%) 94.4 -6.81 1973 1802 110.2 — — — — -76 — — 0.0% -3.00 — — — -0.76
1972 2043 156.9 — — — — +57 -30 -5 63.5% +1.01 22–10 (69%) 24–19 (56%) 103.7 -5.06 1974 1781 102.9 — — — — — — — 0.0% -4.00 — — — -0.02
1973 2171 158.0 — — — — +40 -10 -158 70.9% +1.31 23–7 (77%) 20–10 (67%) 109.7 -4.78 1975 1809 128.4 — — — — -21 — — 53.8% +0.31 2–1 (67%) 2–1 (67%) — -0.20
1974 2074 157.5 — — — — +132 +65 -20 68.6% +0.99 20–3 (87%) 22–8 (73%) 111.7 -4.73 1976 1797 106.3 — — — — — — — 0.0% -1.50 — 0–1 — -0.13
1975 2076 152.1 — — — — +76 -53 +48 70.1% +1.53 9–4 (69%) 5–2 (71%) 101.0 -1.17 1978 1778 102.4 — — — — — — — 0.0% -2.50 — — — +0.03
1976 1963 149.2 — — — — +53 -21 +146 61.5% +0.73 7–4 (64%) 5–4 (56%) 99.4 -1.71 — — — — — — — — — — — — — — — —
1977 1936 150.8 — — — — +16 — +174 52.1% +0.08 6–4 (60%) 2–1 (67%) 101.5 -2.95 — — — — — — — — — — — — — — — —
1978 1882 150.6 — — — — -30 -29 +247 51.9% +0.15 7–7 (50%) 5–5 (50%) 97.4 -4.63 — — — — — — — — — — — — — — — —
1979 1774 131.3 — — — — +9 -16 +387 51.0% +0.03 8–5 (62%) 8–8 (50%) 99.6 0.00 — — — — — — — — — — — — — — — —
1980 1717 136.0 — — — — +27 -8 +440 47.5% -0.25 3–5 (38%) 5–2 (71%) 98.7 +0.78 — — — — — — — — — — — — — — — —
1981 1653 106.8 — — — — +39 — — 26.7% -1.20 0–1 0–3 (0%) — -0.28 — — — — — — — — — — — — — — — —
Career 2196 154.7 — — — — +57 +28 +63 65.9% +1.08 155–88 (64%) 120–88 (58%) 102.9 -3.45 Career 1943 124.4 — — — — -37 -157 -48 53.8% +0.50 35–16 (69%) 2–3 (40%) 112.8 -2.93

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.