H2H data updated: 2026-09-08 00:00 UTC

Lawson Duncan vs Tony Giammalva H2H: 0-1

Tony Giammalva holds a 1–0 lead over Lawson Duncan in their ATP head-to-head. Across 1 main-draw meeting, Tony Giammalva leads 1–0 on hard courts. Most recently, Tony Giammalva won the 1984 US Open round of 128 6-4 6-1 6-3.

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Lawson Duncan
USA Age 61 Right-Handed 185 cm / 6'1"
H2H
0 – 1
1 main-draw meetings
Tony Giammalva
USA Age 68 Right-Handed 190 cm / 6'3"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Tony Giammalva #122 6-4 6-1 6-3 Lawson Duncan #219 Match data Aug 30, 1984* R128 US Open Grand Slam 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
Lawson Duncan #1,094 #47 317 1,761 105 110 48.8% 0 0 0 0 0 0
Tony Giammalva #692 #54 0 1,737 54 78 40.9% 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.

Age Lawson Duncan Tony Giammalva
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 — — — — — — — 1976 0–1 0.0% #310 1,480 0 0
19 1984 4–5 44.4% #165 1,537 0 0 1977 1–3 25.0% #322 1,481 0 0
20 1985 26–19 57.8% #59 1,624 0 0 1978 0–1 0.0% #200 1,481 0 0
21 1986 11–18 37.9% #174 1,570 0 0 — — — — — — —
22 1987 6–9 40.0% #93 1,565 0 0 1980 13–12 52.0% #71 1,609 0 0
23 1988 21–17 55.3% #58 1,658 0 0 1981 17–21 44.7% #78 1,681 0 0
24 1989 25–22 53.2% #91 1,672 0 0 1982 10–16 38.5% #81 1,646 0 0
25 1990 12–18 40.0% #143 1,589 0 0 1983 7–11 38.9% #177 1,613 0 0
26 1991 0–2 0.0% #432 1,565 0 0 1984 6–11 35.3% #119 1,588 0 0
27 — — — — — — — 1985 0–2 0.0% #691 1,567 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 Lawson Duncan Tony Giammalva
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 %
18 — — — — — — — — — — — — — — — — — 1976 — — — — 0 1 1 0.0% — — — — — — — —
19 1984 1 2 3 33.3% 2 2 4 50.0% — — — — 1 1 2 50.0% 1977 — — — — 1 3 4 25.0% — — — — — — — —
20 1985 1 4 5 20.0% 25 15 40 62.5% — — — — — — — — 1978 — — — — 0 1 1 0.0% — — — — — — — —
21 1986 1 3 4 25.0% 9 14 23 39.1% — — — — 1 1 2 50.0% — — — — — — — — — — — — — — — — —
22 1987 0 2 2 0.0% 6 7 13 46.2% — — — — — — — — 1980 5 5 10 50.0% 8 6 14 57.1% 0 1 1 0.0% — — — —
23 1988 2 3 5 40.0% 19 13 32 59.4% — — — — 0 1 1 0.0% 1981 4 7 11 36.4% 6 6 12 50.0% 2 2 4 50.0% 5 6 11 45.5%
24 1989 2 5 7 28.6% 23 17 40 57.5% — — — — — — — — 1982 1 1 2 50.0% 3 6 9 33.3% 3 3 6 50.0% 3 6 9 33.3%
25 1990 2 4 6 33.3% 9 10 19 47.4% 0 1 1 0.0% 1 3 4 25.0% 1983 2 3 5 40.0% 0 1 1 0.0% 3 4 7 42.9% 2 3 5 40.0%
26 1991 0 1 1 0.0% 0 1 1 0.0% — — — — — — — — 1984 5 6 11 45.5% 0 2 2 0.0% 0 2 2 0.0% 1 1 2 50.0%
27 — — — — — — — — — — — — — — — — — 1985 — — — — — — — — 0 1 1 0.0% 0 1 1 0.0%
Career — 9 24 33 27.3% 93 79 172 54.1% 0 1 1 0.0% 3 6 9 33.3% — 17 22 39 43.6% 18 26 44 40.9% 8 13 21 38.1% 11 17 28 39.3%

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 Lawson Duncan Tony Giammalva
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
18 — — — — — — — — — — — — — — — — 1976 1480 96.3 — — — — — — — 0.0% -4.00 — — — +0.15
19 1984 1538 118.7 — — — — +16 +33 — 42.1% -0.84 — 1–0 — +0.04 1977 1481 106.0 — — — — — +34 — 22.2% -2.22 1–0 0–1 — -0.12
20 1985 1625 135.4 — — — — -112 +56 — 55.2% +0.25 7–4 (64%) 7–1 (88%) 108.1 +2.39 1978 1481 113.9 — — — — — — — 0.0% -5.50 — — — -0.26
21 1986 1570 128.6 — — — — -55 +57 — 45.6% -0.35 1–8 (11%) 8–2 (80%) 97.4 +0.35 — — — — — — — — — — — — — — — —
22 1987 1566 120.6 — — — — — +69 — 43.8% -0.16 1–2 (33%) 0–2 — +0.50 1980 1610 126.0 — — — — +3 -26 — 59.3% +0.44 3–6 (33%) 3–2 (60%) 99.9 +1.80
23 1988 1658 128.6 — — — — -200 +59 — 52.4% +0.15 4–4 (50%) 5–5 (50%) 99.5 +1.27 1981 1682 143.3 — — — — -40 -27 -79 48.0% -0.34 4–8 (33%) 6–5 (55%) 101.3 -1.80
24 1989 1672 132.8 — — — — -181 +42 — 52.6% +0.20 5–5 (50%) 5–4 (56%) 99.4 +1.78 1982 1646 130.6 — — — — +10 -25 -45 42.6% -0.64 2–5 (29%) 2–4 (33%) 94.9 -1.10
25 1990 1590 119.9 — — — — -91 +107 — 38.8% -1.07 2–4 (33%) 5–1 (83%) 101.9 +1.13 1983 1613 129.1 — — — — +27 — +5 42.3% -0.15 3–4 (43%) 7–8 (47%) 98.4 +0.71
26 1991 1565 95.6 +0.82 -1.98 0.695 44.0% — — — 0.0% -2.75 — 0–2 — -0.06 1984 1589 123.3 — — — — +49 — — 41.7% -0.33 3–5 (38%) 3–1 (75%) 101.3 -0.19
27 — — — — — — — — — — — — — — — — 1985 1567 103.0 — — — — — — — 0.0% -3.60 — — — -0.17
Career — 1762 133.6 +0.82 -1.98 0.695 44.0% -107 +60 — 48.9% -0.13 20–27 (43%) 31–17 (65%) 102.7 +3.44 — 1737 137.7 — — — — +3 -20 -32 45.2% -0.38 16–28 (36%) 21–21 (50%) 98.6 -0.75

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.