H2H data updated: 2026-09-11 00:00 UTC

Mark Edmondson vs Toshiro Sakai H2H: 1-0

Mark Edmondson holds a 1–0 lead over Toshiro Sakai in their ATP head-to-head. Across 1 main-draw meeting, Mark Edmondson leads 1–0 on grass. Most recently, Mark Edmondson won the 1975 Australian Open round of 64 6-1 6-2 1-6 6-7 6-4.

AUS Age 72 Right-Handed 185 cm / 6'1"
H2H
1 0
1 main-draw meetings
JPN Age 78 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Mark Edmondson 6-1 6-2 1-6 6-7 6-4 Toshiro Sakai Match data Dec 25, 1974* R64 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
Mark Edmondson #525 #15 0 1,927 244 231 51.4% 1 0 0 0 5 6
Toshiro Sakai 1,644 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 Mark Edmondson Toshiro Sakai
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 1972 0–1 0.0% 1,496 0 0
20 1974 1–2 33.3% 1,488 0 0
21 1975 2–4 33.3% #212 1,500 0 0
22 1976 42–29 59.2% #35 1,755 1 2
23 1977 16–24 40.0% #92 1,602 1 2
24 1978 15–16 48.4% #79 1,685 1 3
25 1979 26–26 50.0% #95 1,742 1 3
26 1980 18–23 43.9% #91 1,715 1 3
27 1981 59–26 69.4% #23 1,902 1 6
28 1982 27–25 51.9% #18 1,708 1 6
29 1983 16–17 48.5% #37 1,687 1 6
30 1984 9–18 33.3% #145 1,573 1 6
31 1985 9–10 47.4% #115 1,595 1 6
32 1986 3–9 25.0% #307 1,539 1 6
33 1987 1–1 50.0% #523 1,550 1 6

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 Mark Edmondson Toshiro Sakai
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 %
18 1972 0 1 1 0.0%
20 1974 1 2 3 33.3% 1968 1 2 3 33.3%
21 1975 0 1 1 0.0% 2 3 5 40.0% 1969 0 1 1 0.0%
22 1976 8 4 12 66.7% 19 20 39 48.7% 14 3 17 82.4% 1 2 3 33.3%
23 1977 3 5 8 37.5% 7 10 17 41.2% 5 6 11 45.5% 1 3 4 25.0% 1971 0 1 1 0.0% 0 3 3 0.0% 3 3 6 50.0%
24 1978 1 4 5 20.0% 5 6 11 45.5% 8 4 12 66.7% 1 2 3 33.3% 1972 1 1 2 50.0% 4 4 8 50.0% 2 3 5 40.0%
25 1979 4 5 9 44.4% 5 9 14 35.7% 14 7 21 66.7% 3 5 8 37.5% 1973 2 2 4 50.0% 3 8 11 27.3% 3 2 5 60.0%
26 1980 4 5 9 44.4% 4 8 12 33.3% 5 5 10 50.0% 5 5 10 50.0% 1974 0 1 1 0.0% 2 3 5 40.0% 0 1 1 0.0%
27 1981 14 8 22 63.6% 9 9 18 50.0% 25 4 29 86.2% 11 5 16 68.8% 1975 0 3 3 0.0% 0 1 1 0.0% 0 1 1 0.0%
28 1982 5 6 11 45.5% 3 5 8 37.5% 11 6 17 64.7% 8 8 16 50.0%
29 1983 8 6 14 57.1% 2 2 4 50.0% 4 5 9 44.4% 2 4 6 33.3%
30 1984 1 7 8 12.5% 2 3 5 40.0% 5 4 9 55.6% 1 4 5 20.0%
31 1985 0 2 2 0.0% 3 2 5 60.0% 6 6 12 50.0%
32 1986 2 4 6 33.3% 0 2 2 0.0% 1 2 3 33.3% 0 1 1 0.0%
33 1987 1 1 2 50.0%
37 1985 0 1 1 0.0%
Career 50 58 108 46.3% 59 76 135 43.7% 102 58 160 63.8% 33 39 72 45.8% 3 6 9 33.3% 9 21 30 30.0% 9 13 22 40.9% 0 1 1 0.0%

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 Mark Edmondson Toshiro Sakai
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
18 1972 1497 101.9 0.0% -3.50 -0.13
20 1974 1489 104.0 +36 42.9% -0.72 0–1 1–1 +0.03 1968 1475 92.9 +7 27.3% -1.91 1–0 +0.35
21 1975 1501 106.2 +36 42.9% -0.67 1–1 0–1 +0.53 1969 1467 101.7 0.0% -2.00 -0.09
22 1976 1755 137.6 -127 -136 +160 56.1% +0.33 14–13 (52%) 18–8 (69%) 111.1 +4.21
23 1977 1603 131.0 -25 +7 +220 47.7% +0.01 4–13 (24%) 3–4 (43%) 91.2 +1.28 1971 1485 106.1 -13 +78 31.3% -1.50 1–0 1–2 (33%) +0.49
24 1978 1686 136.0 -115 -93 +199 47.3% -0.14 4–2 (67%) 4–2 (67%) 104.2 -0.12 1972 1529 106.2 -11 +20 51.2% +0.07 1–3 (25%) 1–2 (33%) 97.0 +1.78
25 1979 1743 144.3 -89 -150 +141 51.5% +0.13 7–10 (41%) 7–8 (47%) 96.9 -0.24 1973 1604 120.0 -13 -103 +2 40.4% -0.50 3–3 (50%) 1–4 (20%) 99.2 +0.19
26 1980 1715 129.3 -68 -118 +111 46.5% -0.40 7–7 (50%) 7–4 (64%) 101.8 -1.75 1974 1578 106.7 -73 35.0% -1.00 0–2 1–0 +0.35
27 1981 1902 144.4 -56 -267 +89 62.4% +0.73 23–9 (72%) 20–5 (80%) 117.8 +2.48 1975 1496 93.2 -27 15.4% -2.54 0–1 1–0 +0.71
28 1982 1709 130.9 +33 -109 +214 51.2% -0.06 5–5 (50%) 10–8 (56%) 98.0 +0.35
29 1983 1688 128.5 +26 -69 +179 48.2% -0.14 7–3 (70%) 6–7 (46%) 102.9 +0.63
30 1984 1573 121.2 -16 +69 +224 39.1% -0.94 2–5 (29%) 5–5 (50%) 94.5 -0.75
31 1985 1595 118.9 +47 +142 42.9% -0.20 5–3 (63%) 3–7 (30%) 98.3 +0.58
32 1986 1540 111.0 -29 +155 30.0% -1.37 1–2 (33%) 2–2 (50%) 98.4 0.00
33 1987 1550 100.5 37.5% -1.00 1–0 0–1 +0.34
37 1985 1487 97.5 0.0% -4.00 -0.03
Career 1927 139.1 -40 -114 +151 50.9% +0.02 81–74 (52%) 86–63 (58%) 105.9 +1.57 1645 109.7 -13 -57 +32 37.0% -0.91 6–9 (40%) 5–8 (38%) 97.2 +6.05

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.