H2H data updated: 2026-09-01 00:00 UTC

Steve Devries vs Dan Cassidy H2H: 1-0

Steve Devries holds a 1–0 lead over Dan Cassidy in their ATP head-to-head. Across 1 main-draw meeting, Steve Devries leads 1–0 on grass. Most recently, Steve Devries won the 1988 Queen's Club Championships round of 64 6-1 6-4.

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Steve Devries
USA Age 61 Right-Handed 180 cm / 5'11"
H2H
1 – 0
1 main draw meetings
Dan Cassidy
USA Right-Handed 178 cm / 5'10"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Steve Devries #268 6-1 6-4 Dan Cassidy #155 Match data Jun 8, 1988* R64 Queen's Club Championships 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
Steve Devries #1,236 #221 127 1,524 4 14 22.2% 0 0 0 0 0 0
Dan Cassidy #753 #74 187 1,629 35 75 31.8% 0 0 0 0 1 1

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.

Steve Devries Dan Cassidy
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1983 0–1 0.0% — 1,499 0 0 1969 0–1 0.0% — 1,485 0 0
1985 1–2 33.3% #273 1,507 0 0 1984 12–8 60.0% #126 1,629 0 1
1986 0–1 0.0% #687 1,501 0 0 1985 7–19 26.9% #219 1,509 0 1
1987 0–2 0.0% #320 1,488 0 0 1986 2–6 25.0% #274 1,511 0 1
1988 1–3 25.0% #309 1,467 0 0 1987 4–3 57.1% #106 1,565 0 1
1989 0–1 0.0% #344 1,462 0 0 1988 7–21 25.0% #227 1,515 0 1
1990 1–1 50.0% #230 1,480 0 0 1989 3–10 23.1% #140 1,456 0 1
1991 1–3 25.0% #254 1,471 0 0 1990 0–7 0.0% #381 1,401 0 1

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.

Steve Devries Dan Cassidy
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 %
1983 — — — — — — — — — — — — 0 1 1 0.0% 1969 — — — — — — — — 0 1 1 0.0% — — — —
1985 1 2 3 33.3% — — — — — — — — — — — — 1984 6 4 10 60.0% 0 1 1 0.0% 6 3 9 66.7% — — — —
1986 — — — — — — — — — — — — 0 1 1 0.0% 1985 5 8 13 38.5% 1 3 4 25.0% 1 5 6 16.7% 0 3 3 0.0%
1987 0 1 1 0.0% — — — — — — — — 0 1 1 0.0% 1986 0 4 4 0.0% 2 2 4 50.0% — — — — — — — —
1988 0 1 1 0.0% — — — — 1 2 3 33.3% — — — — 1987 3 1 4 75.0% 1 2 3 33.3% — — — — — — — —
1989 — — — — 0 1 1 0.0% — — — — — — — — 1988 7 13 20 35.0% 0 4 4 0.0% 0 1 1 0.0% 0 3 3 0.0%
1990 — — — — — — — — — — — — 1 1 2 50.0% 1989 2 8 10 20.0% — — — — — — — — 1 2 3 33.3%
1991 1 2 3 33.3% — — — — — — — — 0 1 1 0.0% 1990 0 3 3 0.0% 0 1 1 0.0% — — — — 0 3 3 0.0%
Career 2 6 8 25.0% 0 1 1 0.0% 1 2 3 33.3% 1 5 6 16.7% Career 23 41 64 35.9% 4 13 17 23.5% 7 10 17 41.2% 1 11 12 8.3%

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.

Steve Devries Dan Cassidy
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
1983 1500 115.5 — — — — — — — 0.0% -3.50 — — — -0.20 1969 1486 102.3 — — — — — — — 25.0% -1.00 — — — -0.08
1985 1508 110.3 — — — — +34 — — 42.9% -0.14 0–1 — — -0.02 1984 1630 119.1 — — — — -17 — +2 58.3% +0.25 3–3 (50%) 9–5 (64%) — +1.87
1986 1502 97.3 — — — — — — — 0.0% -5.00 — — — -0.04 1985 1510 112.1 — — — — +51 -19 +47 31.4% -1.29 4–4 (50%) 4–8 (33%) — +0.61
1987 1488 104.8 — — — — — — — 20.0% -3.00 0–1 1–0 — -0.12 1986 1512 118.0 — — — — +6 +35 — 30.0% -1.20 2–2 (50%) 0–1 — -0.59
1988 1467 106.1 — — — — — — +78 40.0% -0.10 0–2 0–3 (0%) — +0.31 1987 1565 111.6 — — — — -9 -18 — 47.1% -0.23 3–0 (100%) 2–1 (67%) — +0.25
1989 1462 105.7 — — — — — — — 0.0% -2.50 — — — -0.17 1988 1515 119.8 — — — — +22 -24 — 29.2% -1.37 0–3 (0%) 1–5 (17%) — -0.50
1990 1480 103.8 — — — — — — — 50.0% -1.00 — 2–0 — 0.00 1989 1457 105.2 — — — — +10 — — 37.8% -1.13 0–6 (0%) 3–3 (50%) — +0.90
1991 1472 112.3 -2.02 +0.42 0.942 48.6% +23 — — 40.0% -0.50 0–2 0–1 — +0.22 1990 1402 99.8 — — — — +26 — — 12.5% -2.44 0–2 0–3 (0%) — +0.08
Career 1525 118.3 -2.02 +0.42 0.942 48.6% +28 — +78 33.3% -1.14 0–6 (0%) 3–4 (43%) 94.3 -0.11 Career 1630 118.6 — — — — +19 -6 +20 36.1% -1.01 12–20 (38%) 19–26 (42%) 94.0 +2.31

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.