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

Shigeyuki Nishio vs John Sadri H2H: 0-1

John Sadri holds a 1–0 lead over Shigeyuki Nishio in their ATP head-to-head. Across 1 main-draw meeting, John Sadri leads 1–0 on clay. Most recently, John Sadri won the 1979 Japan Open round of 16 4-6 6-3 6-1.

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Shigeyuki Nishio
JPN Age 72 Right-Handed
H2H
0 – 1
1 main-draw meetings
John Sadri
USA Age 69 Right-Handed 188 cm / 6'2"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
John Sadri #76 4-6 6-3 6-1 Shigeyuki Nishio Match data Oct 26, 1979* R16 Japan Open ATP 250 Clay

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
Shigeyuki Nishio #1,024 #263 9 1,533 4 11 26.7% 0 0 0 0 0 0
John Sadri #997 #14 0 1,980 214 189 53.1% 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.

Age Shigeyuki Nishio John Sadri
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 — — — — — — — 1976 0–1 0.0% #360 1,498 0 0
20 1974 0–1 0.0% #274 1,488 0 0 1977 0–1 0.0% #322 1,496 0 0
21 — — — — — — — 1978 6–8 42.9% #84 1,564 0 0
22 — — — — — — — 1979 29–24 54.7% #45 1,861 0 0
23 — — — — — — — 1980 47–25 65.3% #15 1,939 0 1
24 1978 0–1 0.0% #263 1,482 0 0 1981 22–21 51.2% #36 1,736 0 1
25 1979 2–2 50.0% #439 1,504 0 0 1982 32–23 58.2% #38 1,737 0 2
26 1980 1–1 50.0% #372 1,518 0 0 1983 8–13 38.1% #93 1,641 0 2
27 1981 1–1 50.0% — 1,520 0 0 1984 25–16 61.0% #29 1,811 0 2
28 1982 0–2 0.0% — 1,501 0 0 1985 25–25 50.0% #46 1,750 0 2
29 1983 0–1 0.0% #423 1,484 0 0 1986 12–21 36.4% #130 1,648 0 2
30 1984 0–1 0.0% #463 1,477 0 0 1987 8–11 42.1% #173 1,602 0 2
31 1985 0–1 0.0% #570 1,462 0 0 — — — — — — —

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 Shigeyuki Nishio John Sadri
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 %
19 — — — — — — — — — — — — — — — — — 1976 — — — — 0 1 1 0.0% — — — — — — — —
20 1974 0 1 1 0.0% — — — — — — — — — — — — 1977 — — — — — — — — — — — — 0 1 1 0.0%
21 — — — — — — — — — — — — — — — — — 1978 3 4 7 42.9% 0 2 2 0.0% 3 2 5 60.0% — — — —
22 — — — — — — — — — — — — — — — — — 1979 9 8 17 52.9% 5 3 8 62.5% 8 4 12 66.7% 7 9 16 43.8%
23 — — — — — — — — — — — — — — — — — 1980 14 7 21 66.7% 0 2 2 0.0% 15 6 21 71.4% 18 10 28 64.3%
24 1978 — — — — 0 1 1 0.0% — — — — — — — — 1981 3 5 8 37.5% 0 1 1 0.0% 8 5 13 61.5% 11 10 21 52.4%
25 1979 — — — — 2 1 3 66.7% — — — — 0 1 1 0.0% 1982 3 6 9 33.3% 4 2 6 66.7% 10 6 16 62.5% 15 9 24 62.5%
26 1980 — — — — 1 1 2 50.0% — — — — — — — — 1983 1 2 3 33.3% — — — — 1 4 5 20.0% 6 7 13 46.2%
27 1981 — — — — 1 1 2 50.0% — — — — — — — — 1984 9 6 15 60.0% 4 2 6 66.7% 11 5 16 68.8% 1 3 4 25.0%
28 1982 — — — — 0 1 1 0.0% — — — — 0 1 1 0.0% 1985 8 10 18 44.4% — — — — 6 4 10 60.0% 11 11 22 50.0%
29 1983 0 1 1 0.0% — — — — — — — — — — — — 1986 4 10 14 28.6% 0 1 1 0.0% 3 4 7 42.9% 5 6 11 45.5%
30 1984 0 1 1 0.0% — — — — — — — — — — — — 1987 4 4 8 50.0% 1 1 2 50.0% 3 6 9 33.3% — — — —
31 1985 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 0 4 4 0.0% 4 5 9 44.4% — — — — 0 2 2 0.0% — 58 62 120 48.3% 14 15 29 48.3% 68 46 114 59.6% 74 66 140 52.9%

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 Shigeyuki Nishio John Sadri
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
19 — — — — — — — — — — — — — — — — 1976 1499 111.1 — — — — — — — 0.0% -3.00 — — — -0.27
20 1974 1488 92.5 — — — — — — — 0.0% -5.50 — — — +0.06 1977 1497 104.1 — — — — — — — 0.0% -3.00 — 0–1 — -0.07
21 — — — — — — — — — — — — — — — — 1978 1564 130.6 — — — — +6 — +44 50.0% +0.11 1–3 (25%) 2–2 (50%) 98.6 +0.84
22 — — — — — — — — — — — — — — — — 1979 1861 151.0 — — — — -119 -244 -56 51.8% +0.17 11–5 (69%) 8–14 (36%) 106.7 -1.45
23 — — — — — — — — — — — — — — — — 1980 1940 157.0 — — — — +11 — -34 62.3% +0.72 9–12 (43%) 19–16 (54%) 99.9 -5.20
24 1978 1483 104.0 — — — — — — — 0.0% -2.50 — — — -0.11 1981 1737 143.0 — — — — +67 — +81 48.1% +0.04 9–6 (60%) 11–12 (48%) 99.6 -1.48
25 1979 1505 109.9 — — — — — +43 — 55.6% +0.44 0–1 — — +0.30 1982 1738 142.8 — — — — +19 -126 +70 56.2% +0.37 11–11 (50%) 19–19 (50%) 97.0 -1.52
26 1980 1519 107.2 — — — — — — — 50.0% -0.25 — — — -0.06 1983 1641 128.2 — — — — +86 — +64 39.2% -0.33 2–2 (50%) 4–8 (33%) 97.7 +1.38
27 1981 1520 103.8 — — — — — — — 50.0% +0.75 — — — +0.30 1984 1812 142.4 — — — — -66 -146 +50 57.1% +0.42 7–6 (54%) 10–14 (42%) 99.4 -0.17
28 1982 1501 103.2 — — — — — — — 0.0% -4.00 — — — +0.02 1985 1751 142.3 — — — — -39 — +121 49.2% -0.08 7–7 (50%) 13–14 (48%) 96.7 -2.23
29 1983 1485 98.3 — — — — — — — 0.0% -2.00 — — — +0.18 1986 1649 140.6 — — — — -1 — +163 42.4% -0.39 3–8 (27%) 9–10 (47%) 93.8 -1.80
30 1984 1478 99.7 — — — — — — — 0.0% -4.00 — — — -0.09 1987 1602 121.9 — — — — +47 — +90 44.9% -0.24 2–1 (67%) 4–2 (67%) 102.4 +0.33
31 1985 1463 98.3 — — — — — — — 0.0% -2.00 — — — +0.17 — — — — — — — — — — — — — — — —
Career — 1534 106.6 — — — — — +43 — 29.0% -1.36 0–1 — — +5.13 — 1980 150.7 — — — — -7 -179 +46 52.1% +0.17 62–61 (50%) 99–112 (47%) 97.5 -2.90

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.