H2H data updated: 2026-09-02 00:00 UTC

Clark Graebner vs Barry Mackay H2H: 2-0

Clark Graebner holds a 2–0 lead over Barry Mackay in their ATP head-to-head. Across 2 main-draw meetings, Clark Graebner leads 1–0 on clay and 1–0 on hard courts. Most recently, Clark Graebner won the 1970 Cincinnati Open round of 32 6-3 6-4.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Clark Graebner
USA Age 82 Right-Handed 188 cm / 6'2"
H2H
2 – 0
2 main draw meetings
Barry Mackay
USA Right-Handed 192 cm / 6'4"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Clark Graebner 6-3 6-4 Barry Mackay Match data Jul 23, 1970* R32 Cincinnati Open ATP 500 Clay
Clark Graebner 7-9 6-3 6-4 Barry Mackay Match data Sep 16, 1968* R64 Los Angeles 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
Clark Graebner #199 #45 0 2,014 342 161 68.0% 0 0 0 0 12 12
Barry Mackay #396 #318 0 1,600 15 33 31.2% 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.

Age Clark Graebner Barry Mackay
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
24 1968 74–22 77.1% — 1,818 0 2 — — — — — — —
25 1969 49–14 77.8% — 1,840 0 6 — — — — — — —
26 1970 58–28 67.4% — 1,840 0 8 — — — — — — —
27 1971 75–29 72.1% — 1,868 0 11 — — — — — — —
28 1972 33–22 60.0% — 1,811 0 11 — — — — — — —
29 1973 34–19 64.2% #48 1,770 0 12 — — — — — — —
30 1974 11–13 45.8% #99 1,693 0 12 — — — — — — —
31 1975 8–11 42.1% #120 1,583 0 12 — — — — — — —
32 1976 0–3 0.0% #199 1,540 0 12 1968 1–9 10.0% — 1,423 0 0
33 — — — — — — — 1969 2–3 40.0% — 1,429 0 0
34 — — — — — — — 1970 12–12 50.0% — 1,588 0 0
35 — — — — — — — 1971 0–6 0.0% — 1,534 0 0
36 — — — — — — — 1972 0–1 0.0% — 1,533 0 0
38 — — — — — — — 1974 0–2 0.0% #318 1,512 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 Clark Graebner Barry Mackay
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 %
24 1968 30 11 41 73.2% 9 3 12 75.0% 28 6 34 82.4% 7 2 9 77.8% — — — — — — — — — — — — — — — — —
25 1969 13 2 15 86.7% 10 4 14 71.4% 22 6 28 78.6% 4 2 6 66.7% — — — — — — — — — — — — — — — — —
26 1970 15 11 26 57.7% 22 6 28 78.6% 12 3 15 80.0% 9 8 17 52.9% — — — — — — — — — — — — — — — — —
27 1971 36 9 45 80.0% 19 7 26 73.1% 14 5 19 73.7% 6 8 14 42.9% — — — — — — — — — — — — — — — — —
28 1972 17 10 27 63.0% 2 2 4 50.0% 9 4 13 69.2% 5 6 11 45.5% — — — — — — — — — — — — — — — — —
29 1973 18 8 26 69.2% 5 4 9 55.6% 3 3 6 50.0% 8 4 12 66.7% — — — — — — — — — — — — — — — — —
30 1974 2 4 6 33.3% 4 4 8 50.0% 2 2 4 50.0% 3 3 6 50.0% — — — — — — — — — — — — — — — — —
31 1975 0 1 1 0.0% 3 4 7 42.9% — — — — 5 6 11 45.5% — — — — — — — — — — — — — — — — —
32 1976 0 1 1 0.0% — — — — — — — — 0 2 2 0.0% 1968 0 1 1 0.0% — — — — 1 8 9 11.1% — — — —
33 — — — — — — — — — — — — — — — — — 1969 1 1 2 50.0% — — — — 1 2 3 33.3% — — — —
34 — — — — — — — — — — — — — — — — — 1970 8 5 13 61.5% 4 6 10 40.0% — — — — 0 1 1 0.0%
35 — — — — — — — — — — — — — — — — — 1971 0 3 3 0.0% 0 2 2 0.0% — — — — 0 1 1 0.0%
36 — — — — — — — — — — — — — — — — — 1972 — — — — — — — — — — — — 0 1 1 0.0%
38 — — — — — — — — — — — — — — — — — 1974 — — — — 0 1 1 0.0% — — — — 0 1 1 0.0%
Career — 131 57 188 69.7% 74 34 108 68.5% 90 29 119 75.6% 47 41 88 53.4% — 9 10 19 47.4% 4 9 13 30.8% 2 10 12 16.7% 0 4 4 0.0%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. 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.

Age Clark Graebner Barry Mackay
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
24 1968 1819 133.7 — — — — +90 -116 +78 73.3% +1.64 10–8 (56%) — — +0.49 — — — — — — — — — — — — — — — —
25 1969 1841 131.4 — — — — +153 -98 +107 71.5% +1.35 8–5 (62%) 1–0 — +5.30 — — — — — — — — — — — — — — — —
26 1970 1841 135.3 — — — — -21 +68 +150 62.4% +0.83 17–8 (68%) 4–2 (67%) — +2.59 — — — — — — — — — — — — — — — —
27 1971 1868 141.1 — — — — +44 +29 +136 65.4% +1.01 21–7 (75%) 17–15 (53%) — +5.35 — — — — — — — — — — — — — — — —
28 1972 1811 136.3 — — — — +27 +71 +133 58.0% +0.62 5–8 (38%) 6–4 (60%) — +3.04 — — — — — — — — — — — — — — — —
29 1973 1770 134.1 — — — — +58 +80 +109 62.2% +0.84 6–5 (55%) 9–9 (50%) — +3.67 — — — — — — — — — — — — — — — —
30 1974 1693 114.0 — — — — +41 +100 +143 46.2% -0.38 6–5 (55%) 3–4 (43%) — +1.75 — — — — — — — — — — — — — — — —
31 1975 1584 111.5 — — — — +73 +121 — 52.4% -0.05 0–5 (0%) 6–3 (67%) — +3.44 — — — — — — — — — — — — — — — —
32 1976 1541 91.6 — — — — +44 — — 0.0% -3.83 — — — +0.51 1968 1424 101.6 — — — — — — -40 26.3% -2.68 1–2 (33%) — — -0.20
33 — — — — — — — — — — — — — — — — 1969 1430 100.7 — — — — — — -36 42.9% -0.21 1–1 — — +0.27
34 — — — — — — — — — — — — — — — — 1970 1588 115.0 — — — — +107 -84 — 47.7% -0.43 6–3 (67%) 1–1 — +1.31
35 — — — — — — — — — — — — — — — — 1971 1535 107.3 — — — — +53 — — 25.0% -1.69 0–4 (0%) 0–1 — -0.33
36 — — — — — — — — — — — — — — — — 1972 1533 108.6 — — — — — — — 0.0% -3.00 — — — -0.19
38 — — — — — — — — — — — — — — — — 1974 1512 100.1 — — — — — — — 0.0% -2.75 — 0–1 — +0.12
Career — 2015 136.6 — — — — +51 +24 +113 64.3% +0.96 73–51 (59%) 46–37 (55%) 100.5 +5.29 — 1601 111.7 — — — — +95 -84 -39 38.3% -1.05 8–10 (44%) 1–3 (25%) 98.0 +2.04

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.