H2H data updated: 2026-09-04 00:00 UTC

Leif Shiras vs Charles Bud Cox H2H: 0-1

Charles Bud Cox holds a 1–0 lead over Leif Shiras in their ATP head-to-head. Across 1 main-draw meeting, Charles Bud Cox leads 1–0 on hard courts. Most recently, Charles Bud Cox won the 1986 Miami Open round of 128 6-7 6-2 6-4.

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Leif Shiras
USA Age 67 Right-Handed 183 cm / 6'0"
H2H
0 – 1
1 main draw meetings
Charles Bud Cox
USA Right-Handed 196 cm / 6'5"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Charles Bud Cox #291 6-7 6-2 6-4 Leif Shiras #133 Match data Feb 11, 1986* R128 Miami Open ATP 500 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
Leif Shiras #1,118 #31 291 1,687 71 102 41.0% 0 0 0 0 0 0
Charles Bud Cox #1,067 #149 0 1,500 7 19 26.9% 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.

Leif Shiras Charles Bud Cox
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1980 0–2 0.0% #482 1,475 0 0 1980 0–1 0.0% — 1,481 0 0
1982 0–1 0.0% — 1,454 0 0 1984 0–1 0.0% #283 1,460 0 0
1983 2–2 50.0% #408 1,485 0 0 1985 0–1 0.0% #290 1,452 0 0
1984 15–16 48.4% #61 1,555 0 0 1986 2–5 28.6% #169 1,452 0 0
1985 17–19 47.2% #123 1,646 0 0 1987 4–8 33.3% #214 1,460 0 0
1986 2–5 28.6% #176 1,591 0 0 1988 1–3 25.0% #582 1,438 0 0
1987 4–11 26.7% #157 1,524 0 0 — — — — — — —
1988 9–12 42.9% #110 1,586 0 0 — — — — — — —
1989 14–16 46.7% #85 1,637 0 0 — — — — — — —
1990 8–18 30.8% #181 1,553 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.

Leif Shiras Charles Bud Cox
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 %
1980 0 1 1 0.0% 0 1 1 0.0% — — — — — — — — 1980 0 1 1 0.0% — — — — — — — — — — — —
1982 0 1 1 0.0% — — — — — — — — — — — — 1984 — — — — — — — — 0 1 1 0.0% — — — —
1983 — — — — — — — — 2 2 4 50.0% — — — — 1985 — — — — — — — — 0 1 1 0.0% — — — —
1984 3 7 10 30.0% 1 1 2 50.0% 11 6 17 64.7% 0 2 2 0.0% 1986 1 2 3 33.3% 1 2 3 33.3% 0 1 1 0.0% — — — —
1985 3 5 8 37.5% — — — — 8 8 16 50.0% 6 6 12 50.0% 1987 1 3 4 25.0% 1 3 4 25.0% — — — — 2 2 4 50.0%
1986 0 2 2 0.0% — — — — 0 1 1 0.0% 2 2 4 50.0% 1988 1 3 4 25.0% — — — — — — — — — — — —
1987 0 3 3 0.0% 1 4 5 20.0% 2 3 5 40.0% 1 1 2 50.0% — — — — — — — — — — — — — — — — —
1988 5 8 13 38.5% — — — — 0 2 2 0.0% 4 2 6 66.7% — — — — — — — — — — — — — — — — —
1989 7 10 17 41.2% — — — — 3 2 5 60.0% 4 4 8 50.0% — — — — — — — — — — — — — — — — —
1990 4 11 15 26.7% 1 2 3 33.3% 1 3 4 25.0% 2 2 4 50.0% — — — — — — — — — — — — — — — — —
Career 22 48 70 31.4% 3 8 11 27.3% 27 27 54 50.0% 19 19 38 50.0% Career 3 9 12 25.0% 2 5 7 28.6% 0 3 3 0.0% 2 2 4 50.0%

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.

Leif Shiras Charles Bud Cox
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
1980 1475 97.2 — — — — — — — 0.0% -4.60 — — — -0.03 1980 1482 99.8 — — — — — — — 33.3% -0.33 0–1 0–1 — +0.30
1982 1455 96.8 — — — — — — — 0.0% -3.33 — — — +0.19 1984 1460 100.1 — — — — — — — 40.0% -0.20 0–1 — — +0.17
1983 1485 108.0 — — — — — — +87 45.5% -0.45 1–0 2–1 (67%) — +0.08 1985 1452 101.3 — — — — — — — 25.0% -2.00 — — — -0.09
1984 1556 124.7 — — — — -88 — +124 48.1% -0.20 6–5 (55%) 10–10 (50%) 102.7 +0.82 1986 1453 108.0 — — — — +54 +87 — 36.8% -0.63 2–3 (40%) 3–3 (50%) 98.6 +0.27
1985 1646 126.8 — — — — -74 — +37 48.4% -0.40 7–8 (47%) 11–8 (58%) 104.1 +0.46 1987 1460 113.8 — — — — +52 +61 — 34.6% -0.50 1–1 2–3 (40%) — +0.81
1986 1592 109.4 — — — — -37 — — 42.1% -0.37 1–4 (20%) 3–2 (60%) 98.0 +0.95 1988 1439 93.6 — — — — +37 — — 22.2% -2.00 — — — +0.50
1987 1525 112.0 — — — — -4 -15 +97 35.0% -1.00 0–2 3–4 (43%) — +0.97 — — — — — — — — — — — — — — — —
1988 1587 128.4 — — — — +10 — — 45.3% -0.21 3–5 (38%) 1–3 (25%) 97.5 -0.08 — — — — — — — — — — — — — — — —
1989 1638 124.3 — — — — -38 — +26 45.8% -0.18 8–5 (62%) 6–5 (55%) 105.6 +0.78 — — — — — — — — — — — — — — — —
1990 1553 112.8 — — — — +19 -37 +91 28.3% -1.65 3–1 (75%) 2–4 (33%) 102.2 +0.18 — — — — — — — — — — — — — — — —
Career 1687 126.2 — — — — -30 -23 +79 42.4% -0.59 29–30 (49%) 38–37 (51%) 104.6 +2.50 Career 1500 107.9 — — — — +48 +72 — 33.3% -0.80 3–6 (33%) 5–7 (42%) 94.6 +7.54

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.