H2H data updated: 2026-08-31 00:00 UTC

J. Mandarino vs Geoff Masters H2H: 0-1

Geoff Masters holds a 1–0 lead over J. Mandarino in their ATP head-to-head. Across 1 main-draw meeting, Geoff Masters leads 1–0 on clay. Most recently, Geoff Masters won the 1976 Italian Open round of 64 6-3 6-2.

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J. Mandarino
BRA Age 85 Right-Handed 173 cm / 5'8"
H2H
0 – 1
1 main draw meetings
Geoff Masters
AUS Age 75 Right-Handed

H2H Match Log

WinnerScoreLoserMatch DataDateRoundTournamentCategorySurface
Geoff Masters 6-3 6-2 J. Mandarino Match data May 26, 1976* R64 Italian Open Masters 1000 Clay

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
J. Mandarino #793 #81 0 1,716 86 99 46.5% 0 0 0 0 0 0
Geoff Masters #826 #42 0 1,889 237 253 48.4% 0 0 0 0 2 2

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 J. Mandarino Geoff Masters
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 — — — — — — — 1968 2–2 50.0% — 1,511 0 0
18 — — — — — — — 1969 7–6 53.8% — 1,542 0 0
19 — — — — — — — 1970 10–7 58.8% — 1,581 0 0
20 — — — — — — — 1971 19–22 46.3% — 1,573 0 0
21 — — — — — — — 1972 18–18 50.0% — 1,670 0 0
22 — — — — — — — 1973 28–23 54.9% #52 1,756 0 0
23 — — — — — — — 1974 23–21 52.3% #53 1,766 0 1
24 — — — — — — — 1975 27–24 52.9% #44 1,812 0 1
25 — — — — — — — 1976 27–31 46.6% #53 1,780 0 2
26 — — — — — — — 1977 22–27 44.9% #83 1,662 0 2
27 1968 25–14 64.1% — 1,693 0 0 1978 20–20 50.0% #59 1,701 0 2
28 1969 10–12 45.5% — 1,595 0 0 1979 21–23 47.7% #62 1,728 0 2
29 1970 5–6 45.5% — 1,627 0 0 1980 13–28 31.7% #166 1,517 0 2
30 1971 11–9 55.0% — 1,645 0 0 1981 0–1 0.0% — 1,501 0 2
31 1972 8–6 57.1% — 1,682 0 0 — — — — — — —
32 1973 9–19 32.1% #104 1,646 0 0 — — — — — — —
33 1974 6–10 37.5% #129 1,621 0 0 — — — — — — —
34 1975 8–12 40.0% #120 1,565 0 0 — — — — — — —
35 1976 4–9 30.8% #180 1,529 0 0 — — — — — — —
36 1977 0–2 0.0% #253 1,493 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 J. Mandarino Geoff Masters
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 %
17 — — — — — — — — — — — — — — — — — 1968 — — — — — — — — 2 2 4 50.0% — — — —
18 — — — — — — — — — — — — — — — — — 1969 — — — — 3 3 6 50.0% 4 3 7 57.1% — — — —
19 — — — — — — — — — — — — — — — — — 1970 — — — — 4 3 7 57.1% 6 4 10 60.0% — — — —
20 — — — — — — — — — — — — — — — — — 1971 3 9 12 25.0% 5 6 11 45.5% 11 7 18 61.1% — — — —
21 — — — — — — — — — — — — — — — — — 1972 11 5 16 68.8% 5 5 10 50.0% 2 7 9 22.2% 0 1 1 0.0%
22 — — — — — — — — — — — — — — — — — 1973 8 4 12 66.7% 15 13 28 53.6% 5 6 11 45.5% — — — —
23 — — — — — — — — — — — — — — — — — 1974 2 8 10 20.0% 11 5 16 68.8% 9 4 13 69.2% 1 4 5 20.0%
24 — — — — — — — — — — — — — — — — — 1975 9 9 18 50.0% 5 6 11 45.5% 6 3 9 66.7% 7 6 13 53.8%
25 — — — — — — — — — — — — — — — — — 1976 11 6 17 64.7% 6 9 15 40.0% 3 5 8 37.5% 7 11 18 38.9%
26 — — — — — — — — — — — — — — — — — 1977 15 11 26 57.7% 0 2 2 0.0% 5 9 14 35.7% 2 5 7 28.6%
27 1968 6 4 10 60.0% 17 9 26 65.4% 2 1 3 66.7% — — — — 1978 7 5 12 58.3% 3 2 5 60.0% 4 4 8 50.0% 6 9 15 40.0%
28 1969 0 3 3 0.0% 10 5 15 66.7% 0 2 2 0.0% 0 2 2 0.0% 1979 2 4 6 33.3% 4 3 7 57.1% 9 6 15 60.0% 6 10 16 37.5%
29 1970 2 2 4 50.0% 1 3 4 25.0% 2 1 3 66.7% — — — — 1980 2 6 8 25.0% 2 7 9 22.2% 1 6 7 14.3% 8 9 17 47.1%
30 1971 5 3 8 62.5% 4 4 8 50.0% 2 2 4 50.0% — — — — 1981 — — — — — — — — 0 1 1 0.0% — — — —
31 1972 1 1 2 50.0% 7 3 10 70.0% 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — —
32 1973 2 5 7 28.6% 6 7 13 46.2% 0 1 1 0.0% 1 6 7 14.3% — — — — — — — — — — — — — — — — —
33 1974 0 1 1 0.0% 5 7 12 41.7% 0 1 1 0.0% 1 1 2 50.0% — — — — — — — — — — — — — — — — —
34 1975 — — — — 8 10 18 44.4% 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — —
35 1976 — — — — 4 8 12 33.3% — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — —
36 1977 — — — — 0 1 1 0.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
Career — 16 19 35 45.7% 62 57 119 52.1% 6 13 19 31.6% 2 10 12 16.7% — 70 67 137 51.1% 63 64 127 49.6% 67 67 134 50.0% 37 55 92 40.2%

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 J. Mandarino Geoff Masters
Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Schedule Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Schedule
17 — — — — — — — — — — — — — — — 1968 1511 104.2 — — — — — — +30 54.5% +0.45 — — +0.07
18 — — — — — — — — — — — — — — — 1969 1542 108.7 — — — — — +20 -1 53.1% +0.47 2–1 (67%) — +1.04
19 — — — — — — — — — — — — — — — 1970 1581 113.8 — — — — — +4 +1 48.9% +0.09 2–0 0–1 +2.02
20 — — — — — — — — — — — — — — — 1971 1573 113.6 — — — — -110 +36 +80 44.4% -0.32 9–3 (75%) 1–3 (25%) +2.36
21 — — — — — — — — — — — — — — — 1972 1670 122.7 — — — — -2 -18 -123 48.0% +0.02 6–6 (50%) 3–4 (43%) +1.42
22 — — — — — — — — — — — — — — — 1973 1756 140.1 — — — — 0 -38 -146 52.2% +0.18 11–7 (61%) 8–9 (47%) -1.38
23 — — — — — — — — — — — — — — — 1974 1766 141.0 — — — — -125 +49 -11 52.2% +0.31 8–7 (53%) 3–6 (33%) -2.42
24 — — — — — — — — — — — — — — — 1975 1812 148.9 — — — — -23 -36 +8 53.0% +0.27 10–12 (45%) 6–8 (43%) -3.08
25 — — — — — — — — — — — — — — — 1976 1781 148.0 — — — — +86 -91 -12 48.5% +0.04 4–8 (33%) 9–4 (69%) -2.43
26 — — — — — — — — — — — — — — — 1977 1662 120.4 — — — — +90 — -42 44.1% -0.40 8–10 (44%) 6–9 (40%) +2.95
27 1968 1694 122.3 — — — — -84 +39 -137 61.0% +0.86 4–3 (57%) — +0.03 1978 1701 140.0 — — — — +47 -24 -35 51.0% +0.09 5–8 (38%) 5–5 (50%) +1.82
28 1969 1595 108.5 — — — — -85 +141 — 50.9% +0.22 1–3 (25%) — +2.67 1979 1729 143.8 — — — — -31 -3 -1 48.1% -0.11 8–8 (50%) 8–7 (53%) -2.12
29 1970 1628 121.9 — — — — -78 +78 -48 51.5% -0.06 0–2 — +0.26 1980 1518 124.9 — — — — +79 +146 +101 36.6% -0.87 4–8 (33%) 8–8 (50%) -0.05
30 1971 1645 115.8 — — — — -45 +50 -65 51.1% +0.08 2–1 (67%) 2–1 (67%) +0.67 1981 1501 94.8 — — — — — — — 0.0% -4.00 — — +0.19
31 1972 1683 116.4 — — — — — +101 — 51.1% -0.16 2–1 (67%) 3–1 (75%) +1.33 — — — — — — — — — — — — — — —
32 1973 1647 128.4 — — — — -68 +99 — 34.8% -0.82 4–4 (50%) 1–5 (17%) -1.92 — — — — — — — — — — — — — — —
33 1974 1622 120.3 — — — — — +97 — 34.2% -1.08 3–3 (50%) — -0.06 — — — — — — — — — — — — — — —
34 1975 1566 122.3 — — — — — +83 — 42.9% -0.24 3–5 (38%) 0–4 (0%) +0.95 — — — — — — — — — — — — — — —
35 1976 1529 106.7 — — — — — +56 — 33.3% -1.12 2–1 (67%) 0–2 +0.72 — — — — — — — — — — — — — — —
36 1977 1493 100.7 — — — — — — — 0.0% -3.00 — 0–1 +0.24 — — — — — — — — — — — — — — —
Career — 1716 125.0 — — — — -70 +80 -82 47.4% -0.10 21–23 (48%) 6–14 (30%) +2.78 — 1890 139.6 — — — — +20 -4 -11 48.2% -0.04 77–78 (50%) 57–64 (47%) +0.08

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.