H2H data updated: 2026-10-17 00:00 UTC

J. Mandarino vs Dennis Ralston H2H: 0-1

Dennis Ralston holds a 1–0 lead over J. Mandarino in their ATP head-to-head. Across 1 main-draw meeting, Dennis Ralston leads 1–0 on grass. Most recently, Dennis Ralston won the 1968 Wimbledon round of 32 6-2 6-4 6-2.

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J. Mandarino
BRA Age 85 Right-Handed 173 cm / 5'8"
H2H
0 – 1
1 main-draw meetings
Dennis Ralston
USA Right-Handed 188 cm / 6'2"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Dennis Ralston 6-2 6-4 6-2 J. Mandarino Match data Jun 30, 1968* R32 Wimbledon Grand Slam 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
J. Mandarino #793 #81 0 1,714 86 99 46.5% 0 0 0 0 0 0
Dennis Ralston #287 #115 0 1,958 156 135 53.6% 0 0 0 0 4 4

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 Dennis Ralston
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
25 — — — — — — — 1968 48–25 65.8% — 1,694 0 3
26 — — — — — — — 1969 28–24 53.8% — 1,787 0 3
27 1968 25–14 64.1% — 1,691 0 0 1970 41–28 59.4% — 1,897 0 4
28 1969 10–12 45.5% — 1,594 0 0 1971 27–21 56.2% — 1,869 0 4
29 1970 5–6 45.5% — 1,627 0 0 1972 2–8 20.0% — 1,773 0 4
30 1971 11–9 55.0% — 1,644 0 0 1973 1–6 14.3% #219 1,693 0 4
31 1972 8–6 57.1% — 1,682 0 0 1974 3–5 37.5% #147 1,700 0 4
32 1973 9–19 32.1% #104 1,653 0 0 1975 1–4 20.0% #187 1,651 0 4
33 1974 6–10 37.5% #129 1,625 0 0 1976 1–9 10.0% #248 1,578 0 4
34 1975 8–12 40.0% #120 1,567 0 0 1977 1–2 33.3% #253 1,592 0 4
35 1976 4–9 30.8% #180 1,530 0 0 1978 0–1 0.0% #287 1,586 0 4
36 1977 0–2 0.0% #253 1,493 0 0 — — — — — — —
37 — — — — — — — 1980 3–2 60.0% — 1,626 0 4

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 Dennis Ralston
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 %
25 — — — — — — — — — — — — — — — — — 1968 4 2 6 66.7% 5 3 8 62.5% 10 5 15 66.7% 29 15 44 65.9%
26 — — — — — — — — — — — — — — — — — 1969 4 3 7 57.1% 4 6 10 40.0% 14 5 19 73.7% 6 10 16 37.5%
27 1968 6 4 10 60.0% 17 9 26 65.4% 2 1 3 66.7% — — — — 1970 16 14 30 53.3% — — — — 14 7 21 66.7% 11 7 18 61.1%
28 1969 0 3 3 0.0% 10 5 15 66.7% 0 2 2 0.0% 0 2 2 0.0% 1971 5 4 9 55.6% 10 6 16 62.5% 6 5 11 54.5% 6 6 12 50.0%
29 1970 2 2 4 50.0% 1 3 4 25.0% 2 1 3 66.7% — — — — 1972 0 6 6 0.0% — — — — — — — — 2 2 4 50.0%
30 1971 5 3 8 62.5% 4 4 8 50.0% 2 2 4 50.0% — — — — 1973 1 4 5 20.0% — — — — — — — — 0 2 2 0.0%
31 1972 1 1 2 50.0% 7 3 10 70.0% 0 2 2 0.0% — — — — 1974 3 3 6 50.0% — — — — 0 1 1 0.0% 0 1 1 0.0%
32 1973 2 5 7 28.6% 6 7 13 46.2% 0 1 1 0.0% 1 6 7 14.3% 1975 0 1 1 0.0% 0 2 2 0.0% — — — — 1 1 2 50.0%
33 1974 0 1 1 0.0% 5 7 12 41.7% 0 1 1 0.0% 1 1 2 50.0% 1976 1 4 5 20.0% — — — — — — — — 0 5 5 0.0%
34 1975 — — — — 8 10 18 44.4% 0 2 2 0.0% — — — — 1977 0 1 1 0.0% — — — — 1 1 2 50.0% — — — —
35 1976 — — — — 4 8 12 33.3% — — — — 0 1 1 0.0% 1978 — — — — — — — — — — — — 0 1 1 0.0%
36 1977 — — — — 0 1 1 0.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
37 — — — — — — — — — — — — — — — — — 1980 0 1 1 0.0% — — — — 3 1 4 75.0% — — — —
Career — 16 19 35 45.7% 62 57 119 52.1% 6 13 19 31.6% 2 10 12 16.7% — 34 43 77 44.2% 19 17 36 52.8% 48 25 73 65.8% 55 50 105 52.4%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. 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 Dennis Ralston
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
25 — — — — — — — — — — — — — — — — 1968 1694 112.7 — — — — +4 -104 +38 64.2% +1.56 11–5 (69%) — — +3.26
26 — — — — — — — — — — — — — — — — 1969 1788 133.1 — — — — -116 -165 +110 56.8% +0.27 7–12 (37%) 1–2 (33%) — -0.96
27 1968 1692 120.5 — — — — -97 +41 -135 61.0% +0.86 4–3 (57%) — — +0.05 1970 1898 144.3 — — — — -6 — +36 57.5% +0.56 13–8 (62%) 8–5 (62%) 106.0 -2.41
28 1969 1594 108.5 — — — — -95 +142 — 50.9% +0.22 1–3 (25%) — — +2.83 1971 1870 145.6 — — — — +26 -115 -40 55.9% +0.35 10–9 (53%) 10–7 (59%) 103.0 -4.83
29 1970 1627 121.9 — — — — -88 +79 -47 51.5% -0.06 0–2 — — +0.28 1972 1773 103.2 — — — — -28 — — 31.6% -1.47 1–2 (33%) 1–0 — +0.82
30 1971 1645 115.8 — — — — -52 +50 -65 51.1% +0.08 2–1 (67%) 2–1 (67%) 102.1 +1.09 1973 1693 110.4 — — — — -41 — — 20.0% -1.40 0–1 1–2 (33%) — -0.63
31 1972 1682 116.4 — — — — — +102 — 51.1% -0.16 2–1 (67%) 3–1 (75%) 103.2 +1.29 1974 1701 123.4 — — — — -32 — — 38.9% -1.11 — 2–0 — -1.16
32 1973 1653 130.4 — — — — -77 +96 — 34.8% -0.82 4–4 (50%) 1–5 (17%) 98.8 -2.18 1975 1651 108.9 — — — — -4 — — 30.8% -1.46 1–1 3–1 (75%) — -0.29
33 1974 1625 120.3 — — — — — +96 — 34.2% -1.08 3–3 (50%) — — -0.13 1976 1579 103.4 — — — — -38 — — 19.0% -2.62 1–2 (33%) 3–2 (60%) 99.7 -0.04
34 1975 1568 122.3 — — — — — +81 — 42.9% -0.24 3–5 (38%) 0–4 (0%) 92.6 +0.92 1977 1593 106.1 — — — — — — — 45.5% -0.54 0–1 0–1 — -0.26
35 1976 1530 106.8 — — — — — +55 — 33.3% -1.12 2–1 (67%) 0–2 — +0.73 1978 1586 102.9 — — — — — — — 0.0% -3.50 — — — -0.08
36 1977 1494 100.7 — — — — — — — 0.0% -3.00 — 0–1 — +0.24 — — — — — — — — — — — — — — — —
37 — — — — — — — — — — — — — — — — 1980 1626 122.5 — — — — — — +215 60.0% +0.40 — — — +0.01
Career — 1714 125.0 — — — — -80 +80 -81 47.4% -0.10 21–23 (48%) 6–14 (30%) 94.4 +2.84 — 1958 135.6 — — — — -19 -127 +55 54.5% +0.38 44–41 (52%) 29–20 (59%) 105.6 -2.33

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.