H2H data updated: 2026-09-06 00:00 UTC

Lawson Duncan vs Pieter Aldrich H2H: 0-1

Pieter Aldrich holds a 1–0 lead over Lawson Duncan in their ATP head-to-head. Across 1 main-draw meeting, Pieter Aldrich leads 1–0 on hard courts. Most recently, Pieter Aldrich won the 1989 Memphis round of 64 6-3 1-6 6-3.

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Lawson Duncan
USA Age 61 Right-Handed 185 cm / 6'1"
H2H
0 – 1
1 main-draw meetings
Pieter Aldrich
RSA Age 60 Right-Handed 180 cm / 5'11"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Pieter Aldrich #73 6-3 1-6 6-3 Lawson Duncan #65 Match data Feb 15, 1989* R64 Memphis 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
Lawson Duncan #1,094 #47 317 1,761 105 110 48.8% 0 0 0 0 0 0
Pieter Aldrich #1,122 #64 256 1,675 36 40 47.4% 0 0 0 0 1 1

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 Pieter Aldrich
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 1984 4–5 44.4% #165 1,537 0 0 — — — — — — —
20 1985 26–19 57.8% #59 1,624 0 0 1986 1–1 50.0% #275 1,512 0 0
21 1986 11–18 37.9% #174 1,570 0 0 1987 1–1 50.0% #134 1,535 0 0
22 1987 6–9 40.0% #93 1,565 0 0 1988 15–15 50.0% #68 1,662 0 0
23 1988 21–17 55.3% #58 1,658 0 0 1989 13–19 40.6% #125 1,619 0 0
24 1989 25–22 53.2% #91 1,672 0 0 1990 6–4 60.0% #192 1,663 0 1
25 1990 12–18 40.0% #143 1,589 0 0 — — — — — — —
26 1991 0–2 0.0% #432 1,565 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 Pieter Aldrich
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 %
19 1984 1 2 3 33.3% 2 2 4 50.0% — — — — 1 1 2 50.0% — — — — — — — — — — — — — — — — —
20 1985 1 4 5 20.0% 25 15 40 62.5% — — — — — — — — 1986 1 1 2 50.0% — — — — — — — — — — — —
21 1986 1 3 4 25.0% 9 14 23 39.1% — — — — 1 1 2 50.0% 1987 1 1 2 50.0% — — — — — — — — — — — —
22 1987 0 2 2 0.0% 6 7 13 46.2% — — — — — — — — 1988 11 10 21 52.4% 0 1 1 0.0% 4 4 8 50.0% — — — —
23 1988 2 3 5 40.0% 19 13 32 59.4% — — — — 0 1 1 0.0% 1989 8 11 19 42.1% — — — — 3 4 7 42.9% 2 4 6 33.3%
24 1989 2 5 7 28.6% 23 17 40 57.5% — — — — — — — — 1990 0 3 3 0.0% — — — — 5 0 5 100.0% 1 1 2 50.0%
25 1990 2 4 6 33.3% 9 10 19 47.4% 0 1 1 0.0% 1 3 4 25.0% — — — — — — — — — — — — — — — — —
26 1991 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% — 21 26 47 44.7% 0 1 1 0.0% 12 8 20 60.0% 3 5 8 37.5%

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 Pieter Aldrich
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
19 1984 1538 118.7 — — — — +16 +33 — 42.1% -0.84 — 1–0 — +0.04 — — — — — — — — — — — — — — — —
20 1985 1625 135.4 — — — — -112 +56 — 55.2% +0.25 7–4 (64%) 7–1 (88%) 108.1 +2.39 1986 1513 110.1 — — — — — — — 50.0% +0.17 1–1 — — +0.09
21 1986 1570 128.6 — — — — -55 +57 — 45.6% -0.35 1–8 (11%) 8–2 (80%) 97.4 +0.35 1987 1536 112.9 — — — — — — — 50.0% -1.00 — — — -0.32
22 1987 1566 120.6 — — — — — +69 — 43.8% -0.16 1–2 (33%) 0–2 — +0.50 1988 1662 129.6 — — — — +17 — -56 51.3% -0.08 5–6 (45%) 7–7 (50%) 99.5 +0.62
23 1988 1658 128.6 — — — — -200 +59 — 52.4% +0.15 4–4 (50%) 5–5 (50%) 99.5 +1.27 1989 1620 119.5 — — — — +5 — -29 43.3% -0.48 7–7 (50%) 4–4 (50%) 97.9 +0.20
24 1989 1672 132.8 — — — — -181 +42 — 52.6% +0.20 5–5 (50%) 5–4 (56%) 99.4 +1.78 1990 1664 118.5 — — — — -66 — +47 52.2% +0.04 2–0 2–1 (67%) — +0.37
25 1990 1590 119.9 — — — — -91 +107 — 38.8% -1.07 2–4 (33%) 5–1 (83%) 101.9 +1.13 — — — — — — — — — — — — — — — —
26 1991 1565 95.6 +0.82 -1.98 0.695 44.0% — — — 0.0% -2.75 — 0–2 — -0.06 — — — — — — — — — — — — — — — —
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 — 1676 127.4 — — — — +3 — -21 47.8% -0.25 15–14 (52%) 13–12 (52%) 101.1 +1.26

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.