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

John Alexander vs Tom Okker H2H: 2-9

Tom Okker holds a 9–2 lead over John Alexander in their ATP head-to-head. Across 11 main-draw meetings, Tom Okker leads 5–1 on clay and 2–1 on carpet. Most recently, Tom Okker won the 1974 Canadian Open round of 16 7-6 7-5.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

John Alexander
AUS Age 75 Right-Handed 190 cm / 6'3"
H2H
2 – 9
11 main-draw meetings
Tom Okker
NED Age 82 Right-Handed 177 cm / 5'10"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Tom Okker #5 7-6 7-5 John Alexander #22 Match data Aug 17, 1974* R16 Canadian Open ATP 500 Clay
Tom Okker 7-6(3) 6-2 John Alexander Match data Feb 16, 1974* SF Toronto Wct ATP 250 Carpet
Tom Okker #8 7-5 6-4 John Alexander #28 Match data Sep 22, 1973* F Seattle ATP 250 Carpet
Tom Okker 7-6 2-6 6-3 John Alexander Match data Aug 2, 1972* R16 Louisville Wct ATP 250 Clay
John Alexander 6-2 6-4 Tom Okker Match data Apr 28, 1972* QF Charlotte Wct ATP 250 Clay
Tom Okker 7-6 6-4 John Alexander Match data Apr 14, 1972* QF Houston Wct ATP 250 Clay
Tom Okker 6-1 4-6 6-2 John Alexander Match data Jul 29, 1971* QF Louisville Wct ATP 250 Clay
John Alexander 6-2 9-8 Tom Okker Match data Nov 19, 1970* R32 Wembley ATP 250 Carpet
Tom Okker 6-3 6-2 6-1 John Alexander Match data Aug 21, 1970* R16 Hamburg Open ATP 250 Clay
Tom Okker 6-4 6-4 6-4 John Alexander Match data Jan 31, 1970* QF ASB Classic ATP 250 Grass
Tom Okker 7-5 10-8 10-12 4-6 6-4 John Alexander Match data Jan 28, 1970* R16 Australian Open Grand Slam Grass

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
John Alexander #860 #8 0 2,015 567 419 57.5% 0 0 0 0 7 7
Tom Okker #438 #3 0 2,195 668 278 70.6% 0 0 0 1 33 34

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 John Alexander Tom Okker
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 1968 27–14 65.9% — 1,630 0 0 — — — — — — —
17 1969 29–21 58.0% — 1,636 0 0 — — — — — — —
18 1970 24–14 63.2% — 1,819 0 1 — — — — — — —
19 1971 44–36 55.0% — 1,816 0 1 — — — — — — —
20 1972 36–32 52.9% — 1,856 0 1 — — — — — — —
21 1973 46–30 60.5% #29 1,917 0 1 — — — — — — —
22 1974 38–23 62.3% #26 1,849 0 1 — — — — — — —
23 1975 61–24 71.8% #8 1,946 0 2 — — — — — — —
24 1976 19–21 47.5% #47 1,841 0 2 1968 89–23 79.5% — 1,793 0 4
25 1977 48–33 59.3% #21 1,878 0 3 1969 86–25 77.5% — 2,029 0 12
26 1978 50–31 61.7% #22 1,810 0 3 1970 59–27 68.6% — 1,947 0 17
27 1979 38–28 57.6% #20 1,798 0 4 1971 74–31 70.5% — 2,012 0 19
28 1980 10–18 35.7% #100 1,686 0 4 1972 69–31 69.0% — 2,042 0 20
29 1981 23–21 52.3% #75 1,744 0 4 1973 91–23 79.8% #4 2,170 0 27
30 1982 38–21 64.4% #31 1,792 0 6 1974 61–18 77.2% #6 2,074 0 30
31 1983 24–25 49.0% #77 1,658 0 7 1975 39–13 75.0% #11 2,076 0 32
32 1984 12–21 36.4% #142 1,565 0 7 1976 33–18 64.7% #23 1,962 0 32
33 1985 0–6 0.0% #405 1,492 0 7 1977 15–13 53.6% #29 1,935 0 33
34 — — — — — — — 1978 20–20 50.0% #50 1,882 0 33
35 — — — — — — — 1979 20–18 52.6% #56 1,774 0 34
36 — — — — — — — 1980 11–13 45.8% #107 1,716 0 34
37 — — — — — — — 1981 1–5 16.7% — 1,652 0 34

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 John Alexander Tom Okker
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 %
16 1968 0 1 1 0.0% 22 10 32 68.8% 5 3 8 62.5% — — — — — — — — — — — — — — — — — — — — —
17 1969 0 1 1 0.0% 7 7 14 50.0% 21 12 33 63.6% 1 1 2 50.0% — — — — — — — — — — — — — — — — —
18 1970 4 1 5 80.0% 10 6 16 62.5% 6 6 12 50.0% 4 1 5 80.0% — — — — — — — — — — — — — — — — —
19 1971 21 12 33 63.6% 12 9 21 57.1% 4 5 9 44.4% 7 10 17 41.2% — — — — — — — — — — — — — — — — —
20 1972 11 10 21 52.4% 9 5 14 64.3% 6 3 9 66.7% 10 14 24 41.7% — — — — — — — — — — — — — — — — —
21 1973 8 6 14 57.1% 14 11 25 56.0% 3 3 6 50.0% 21 10 31 67.7% — — — — — — — — — — — — — — — — —
22 1974 12 5 17 70.6% 13 6 19 68.4% 9 5 14 64.3% 4 7 11 36.4% — — — — — — — — — — — — — — — — —
23 1975 13 3 16 81.3% 20 8 28 71.4% 6 3 9 66.7% 22 10 32 68.8% — — — — — — — — — — — — — — — — —
24 1976 3 5 8 37.5% 9 7 16 56.3% 2 2 4 50.0% 5 7 12 41.7% 1968 26 9 35 74.3% 35 7 42 83.3% 20 2 22 90.9% 8 5 13 61.5%
25 1977 4 5 9 44.4% 19 6 25 76.0% 18 8 26 69.2% 7 14 21 33.3% 1969 19 9 28 67.9% 36 6 42 85.7% 14 4 18 77.8% 17 6 23 73.9%
26 1978 2 5 7 28.6% 24 10 34 70.6% 18 6 24 75.0% 6 10 16 37.5% 1970 15 6 21 71.4% 16 3 19 84.2% 21 12 33 63.6% 7 6 13 53.8%
27 1979 12 5 17 70.6% 13 8 21 61.9% 6 6 12 50.0% 7 9 16 43.8% 1971 12 7 19 63.2% 24 10 34 70.6% 13 4 17 76.5% 25 10 35 71.4%
28 1980 4 5 9 44.4% 3 2 5 60.0% 1 3 4 25.0% 2 8 10 20.0% 1972 22 10 32 68.8% 10 5 15 66.7% 2 1 3 66.7% 35 15 50 70.0%
29 1981 7 9 16 43.8% 8 6 14 57.1% 7 5 12 58.3% 1 1 2 50.0% 1973 16 5 21 76.2% 39 8 47 83.0% 4 2 6 66.7% 32 8 40 80.0%
30 1982 6 5 11 54.5% 10 7 17 58.8% 16 5 21 76.2% 6 4 10 60.0% 1974 14 5 19 73.7% 17 6 23 73.9% 6 2 8 75.0% 24 5 29 82.8%
31 1983 7 5 12 58.3% 11 9 20 55.0% 2 6 8 25.0% 4 5 9 44.4% 1975 13 3 16 81.3% 1 3 4 25.0% 10 1 11 90.9% 15 6 21 71.4%
32 1984 4 6 10 40.0% 4 5 9 44.4% 3 7 10 30.0% 1 3 4 25.0% 1976 6 3 9 66.7% 7 5 12 58.3% 5 2 7 71.4% 15 8 23 65.2%
33 1985 0 3 3 0.0% 0 1 1 0.0% 0 2 2 0.0% — — — — 1977 4 4 8 50.0% 0 1 1 0.0% 3 1 4 75.0% 8 7 15 53.3%
34 — — — — — — — — — — — — — — — — — 1978 3 4 7 42.9% 9 8 17 52.9% 6 2 8 75.0% 2 6 8 25.0%
35 — — — — — — — — — — — — — — — — — 1979 11 6 17 64.7% 3 5 8 37.5% 4 1 5 80.0% 2 6 8 25.0%
36 — — — — — — — — — — — — — — — — — 1980 5 4 9 55.6% 2 5 7 28.6% 2 1 3 66.7% 2 3 5 40.0%
37 — — — — — — — — — — — — — — — — — 1981 1 3 4 25.0% 0 1 1 0.0% 0 1 1 0.0% — — — —
Career — 118 92 210 56.2% 208 123 331 62.8% 133 90 223 59.6% 108 114 222 48.6% — 167 78 245 68.2% 199 73 272 73.2% 110 36 146 75.3% 192 91 283 67.8%

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 John Alexander Tom Okker
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 1968 1630 115.5 — — — — — +31 -45 58.8% +0.55 5–3 (63%) — — -0.26 — — — — — — — — — — — — — — — —
17 1969 1636 120.9 — — — — -112 0 +83 58.9% +0.61 5–8 (38%) — — +3.74 — — — — — — — — — — — — — — — —
18 1970 1819 138.4 — — — — -86 -41 -114 59.1% +0.62 6–6 (50%) 2–1 (67%) — +1.24 — — — — — — — — — — — — — — — —
19 1971 1817 144.4 — — — — -5 +8 -82 55.2% +0.33 7–16 (30%) 18–12 (60%) 97.4 -3.22 — — — — — — — — — — — — — — — —
20 1972 1856 153.5 — — — — -29 +48 -73 53.7% +0.51 13–16 (45%) 13–24 (35%) 93.7 -8.33 — — — — — — — — — — — — — — — —
21 1973 1917 150.8 — — — — +40 -78 -95 57.3% +0.44 13–12 (52%) 19–14 (58%) 101.4 -3.87 — — — — — — — — — — — — — — — —
22 1974 1850 146.4 — — — — +26 +47 +21 60.4% +0.86 9–8 (53%) 12–14 (46%) 96.7 +0.22 — — — — — — — — — — — — — — — —
23 1975 1946 155.4 — — — — +65 +20 -94 66.4% +1.04 15–9 (63%) 23–11 (68%) 107.1 -0.91 — — — — — — — — — — — — — — — —
24 1976 1841 150.1 — — — — +55 +53 -1 48.4% -0.02 5–7 (42%) 8–12 (40%) 90.9 -2.96 1968 1794 133.7 — — — — +101 +27 +106 72.8% +1.68 13–8 (62%) — — +1.39
25 1977 1878 156.4 — — — — -38 +46 +16 58.5% +0.69 13–18 (42%) 16–15 (52%) 96.3 -1.53 1969 2030 149.0 — — — — +67 +67 -72 73.5% +1.60 14–8 (64%) 2–0 — -4.53
26 1978 1810 149.4 — — — — -79 +125 +104 58.6% +0.69 15–14 (52%) 10–14 (42%) 93.8 +2.66 1970 1947 145.1 — — — — -16 +206 +16 66.5% +1.16 8–11 (42%) 7–4 (64%) 95.7 +2.18
27 1979 1799 156.8 — — — — +64 +143 -3 53.0% +0.25 15–10 (60%) 15–13 (54%) 105.4 -3.64 1971 2013 159.9 — — — — +69 +10 +75 65.3% +1.09 15–11 (58%) 15–22 (41%) 94.4 -6.81
28 1980 1687 138.0 — — — — +72 +209 +52 38.8% -0.58 4–5 (44%) 7–8 (47%) 95.5 -0.32 1972 2043 156.9 — — — — +57 -29 -5 63.5% +1.01 22–10 (69%) 24–19 (56%) 103.7 -5.06
29 1981 1744 136.6 — — — — -49 +128 0 52.7% +0.29 7–8 (47%) 9–11 (45%) 97.3 +0.63 1973 2171 157.9 — — — — +41 -11 -158 70.9% +1.31 23–7 (77%) 20–10 (67%) 109.7 -4.71
30 1982 1792 141.1 — — — — -49 +33 +52 57.6% +0.56 17–7 (71%) 13–14 (48%) 107.8 +0.78 1974 2074 157.5 — — — — +133 +66 -20 68.6% +0.99 20–3 (87%) 22–8 (73%) 111.7 -4.74
31 1983 1658 134.7 — — — — +55 +150 +81 47.5% +0.09 7–5 (58%) 10–14 (42%) 95.8 +1.71 1975 2076 152.1 — — — — +76 -53 +48 70.1% +1.53 9–4 (69%) 5–2 (71%) 101.0 -1.17
32 1984 1565 130.2 — — — — +79 +244 +37 39.0% -0.49 5–6 (45%) 6–10 (38%) 93.1 -0.48 1976 1963 149.2 — — — — +53 -21 +146 61.5% +0.73 7–4 (64%) 5–4 (56%) 99.4 -1.71
33 1985 1493 102.7 — — — — +110 — — 13.3% -2.13 0–1 1–2 (33%) — -0.02 1977 1936 150.8 — — — — +16 — +175 52.1% +0.08 6–4 (60%) 2–1 (67%) 101.5 -2.95
34 — — — — — — — — — — — — — — — — 1978 1882 150.6 — — — — -30 -29 +247 51.9% +0.15 7–7 (50%) 5–5 (50%) 97.4 -4.63
35 — — — — — — — — — — — — — — — — 1979 1774 131.3 — — — — +9 -16 +387 51.0% +0.03 8–5 (62%) 8–8 (50%) 99.6 0.00
36 — — — — — — — — — — — — — — — — 1980 1717 136.0 — — — — +27 -9 +440 47.5% -0.25 3–5 (38%) 5–2 (71%) 98.7 +0.78
37 — — — — — — — — — — — — — — — — 1981 1653 106.8 — — — — +39 — — 26.7% -1.20 0–1 0–3 (0%) — -0.28
Career — 2015 150.6 — — — — +12 +56 +17 55.6% +0.46 161–159 (50%) 182–189 (49%) 95.7 -1.49 — 2196 154.7 — — — — +57 +28 +63 65.9% +1.08 155–88 (64%) 120–88 (58%) 102.9 -3.45

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.