H2H data updated: 2026-09-05 00:00 UTC

John Marks vs Spencer Segura H2H: 1-0

John Marks holds a 1–0 lead over Spencer Segura in their ATP head-to-head. Across 1 main-draw meeting, John Marks leads 1–0 on grass. Most recently, John Marks won the 1974 Sydney International round of 64 5-7 6-4 6-3.

AUS Age 73 Right-Handed
H2H
1 0
1 main draw meetings
USA Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
John Marks 5-7 6-4 6-3 Spencer Segura Match data Jan 2, 1974* R64 Sydney International ATP 250 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 Marks #223 #60 0 1,632 30 81 27.0% 0 0 0 0 0 0
Spencer Segura #300 #193 0 1,500 3 19 13.6% 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.

John Marks Spencer Segura
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1970 1–1 50.0% 1,486 0 0 1974 0–5 0.0% #274 1,447 0 0
1971 1–2 33.3% 1,471 0 0 1975 3–12 20.0% #193 1,408 0 0
1973 0–1 0.0% 1,454 0 0 1976 0–2 0.0% #288 1,407 0 0
1974 1–3 25.0% 1,434 0 0
1975 5–1 83.3% #330 1,554 0 0
1976 3–15 16.7% #165 1,438 0 0
1977 4–13 23.5% #174 1,434 0 0
1978 9–16 36.0% #63 1,629 0 0
1979 4–26 13.3% #115 1,457 0 0
1980 2–3 40.0% #223 1,460 0 0

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.

John Marks Spencer Segura
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 %
1970 1 1 2 50.0% 1974 0 1 1 0.0% 0 1 1 0.0% 0 2 2 0.0% 0 1 1 0.0%
1971 1 2 3 33.3% 1975 0 3 3 0.0% 1 2 3 33.3% 0 1 1 0.0% 2 6 8 25.0%
1973 0 1 1 0.0% 1976 0 1 1 0.0% 0 1 1 0.0%
1974 1 3 4 25.0%
1975 5 1 6 83.3%
1976 1 6 7 14.3% 2 5 7 28.6% 0 4 4 0.0%
1977 0 2 2 0.0% 1 5 6 16.7% 3 6 9 33.3%
1978 0 2 2 0.0% 2 7 9 22.2% 7 6 13 53.8% 0 1 1 0.0%
1979 1 5 6 16.7% 1 9 10 10.0% 2 8 10 20.0% 0 4 4 0.0%
1980 2 1 3 66.7% 0 1 1 0.0% 0 1 1 0.0%
Career 4 16 20 20.0% 6 26 32 18.8% 20 33 53 37.7% 0 6 6 0.0% Career 0 4 4 0.0% 1 4 5 20.0% 0 3 3 0.0% 2 8 10 20.0%

Advanced Statistics Comparison by Career Season

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

John Marks Spencer Segura
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
1970 1486 100.6 0.0% -2.00 +0.07 1974 1448 91.6 20.0% -2.60 0–2 +0.46
1971 1471 103.7 +31 37.5% -0.63 1–2 (33%) +0.18 1975 1409 103.7 +35 +127 26.3% -1.66 3–4 (43%) 2–2 (50%) 99.3 +1.44
1973 1454 +0.15 1976 1407 103.7 0.0% -3.50 -0.13
1974 1434 96.4 +7 30.0% -1.60 1–1 1–0 +0.27
1975 1554 121.6 +44 62.5% +0.12 4–0 (100%) 2–0 +0.10
1976 1439 102.4 +49 +81 +84 27.3% -1.68 0–4 (0%) 1–1 +1.65
1977 1434 105.6 +63 +34 30.4% -1.52 3–4 (43%) 2–3 (40%) 100.4 +0.56
1978 1630 130.5 -206 -118 +65 35.9% -0.81 3–0 (100%) 0–6 (0%) 101.6 -0.89
1979 1457 112.2 -86 -22 +140 19.4% -2.11 2–5 (29%) 1–6 (14%) 95.6 +0.37
1980 1460 100.7 -68 41.7% -0.50 1–1 +0.91
Career 1632 116.6 -59 -11 +67 30.7% -1.37 14–15 (48%) 8–18 (31%) 101.0 +3.06 Career 1500 100.4 +35 +127 24.0% -1.92 3–6 (33%) 2–2 (50%) 97.0 +8.85

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.