H2H data updated: 2026-09-03 00:00 UTC

A. Parker vs John Ross H2H: 0-1

John Ross holds a 1–0 lead over A. Parker in their ATP head-to-head. Across 1 main-draw meeting, John Ross leads 1–0 on hard courts. Most recently, John Ross won the 1987 Washington Open round of 32 6-3 6-0.

USA Age 57 Right-Handed 188 cm / 6'2"
H2H
0 1
1 main draw meetings
USA Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
John Ross 6-3 6-0 A. Parker #290 Match data Jul 30, 1987* R32 Washington Open ATP 250 Hard

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
A. Parker #1,175 #261 78 1,500 1 10 9.1% 0 0 0 0 0 0
John Ross 1,584 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.

A. Parker John Ross
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1986 0–1 0.0% #870 1,496 0 0
1987 1–5 16.7% #277 1,450 0 0
1988 0–2 0.0% #933 1,429 0 0
1989 0–2 0.0% #867 1,417 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.

A. Parker John Ross
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 %
1986 0 1 1 0.0% 1970 0 1 1 0.0%
1987 1 3 4 25.0% 0 2 2 0.0% 1982 0 1 1 0.0%
1988 0 1 1 0.0% 0 1 1 0.0% 1983 0 2 2 0.0%
1989 0 2 2 0.0% 1984 0 1 1 0.0%
1985 3 2 5 60.0%
1986 0 2 2 0.0%
1987 7 7 14 50.0% 0 1 1 0.0% 0 1 1 0.0%
1988 7 10 17 41.2% 1 4 5 20.0% 1 0 1 100.0% 0 1 1 0.0%
1989 2 5 7 28.6% 0 1 1 0.0%
1990 1 3 4 25.0% 0 1 1 0.0%
1991 0 1 1 0.0%
Career 1 7 8 12.5% 0 3 3 0.0% Career 17 28 45 37.8% 4 14 18 22.2% 1 0 1 100.0% 0 2 2 0.0%

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.

A. Parker John Ross
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
1986 1496 109.0 0.0% -3.33 -0.17 1970 1496 103.0 0.0% -4.50 -0.19
1987 1450 97.1 +44 25.0% -1.50 0–1 +0.45 1982 1483 99.8 0.0% -2.50 +0.08
1988 1430 96.0 0.0% -3.50 +0.05 1983 1464 103.7 20.0% -1.20 0–1 -0.01
1989 1418 103.3 20.0% -1.60 0–1 0–1 -0.12 1984 1459 105.5 0.0% -2.50 0–1 -0.09
1985 1516 123.1 +23 53.8% -0.15 2–1 (67%) 1–0 -0.25
1986 1495 103.6 20.0% -1.60 0–1 +0.04
1987 1552 116.6 +9 43.6% -0.74 3–3 (50%) 6–1 (86%) +0.60
1988 1550 114.6 -23 -47 41.5% -0.42 2–5 (29%) 7–5 (58%) +0.25
1989 1517 106.0 +1 27.8% -1.44 1–1 1–2 (33%) +0.30
1990 1487 98.5 +22 18.2% -2.00 1–0 1–2 (33%) +0.35
1991 1474 101.3 33.3% -0.67 0–1 0–1 +0.08
Career 1500 101.5 +44 17.9% -2.00 0–2 0–1 +1.91 Career 1584 118.0 -4 -12 37.0% -0.85 9–13 (41%) 16–12 (57%) 104.6 +1.76

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.