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

Blaine Willenborg vs David Mustard H2H: 1-0

Blaine Willenborg holds a 1–0 lead over David Mustard in their ATP head-to-head. Across 1 main-draw meeting, Blaine Willenborg leads 1–0 on clay. Most recently, Blaine Willenborg won the 1984 U.S. Pro Tennis Championships round of 64 5-7 6-2 6-2.

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Blaine Willenborg
USA Age 66 Right-Handed 170 cm / 5'7"
H2H
1 – 0
1 main draw meetings
David Mustard
NZL Age 66 Left-Handed 180 cm / 5'11"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Blaine Willenborg #101 5-7 6-2 6-2 David Mustard #128 Match data Jul 18, 1984* R64 U.S. Pro Tennis Championships ATP 250 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
Blaine Willenborg #1,067 #50 0 1,624 33 54 37.9% 0 0 0 0 0 0
David Mustard #1,029 #121 0 1,519 13 36 26.5% 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 Blaine Willenborg David Mustard
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 — — — — — — — 1978 1–1 50.0% #357 1,504 0 0
19 1979 0–1 0.0% #579 1,488 0 0 1979 1–1 50.0% #321 1,503 0 0
20 1980 3–5 37.5% #283 1,514 0 0 1980 0–2 0.0% #344 1,487 0 0
21 — — — — — — — 1981 0–4 0.0% — 1,448 0 0
22 — — — — — — — 1982 2–5 28.6% — 1,434 0 0
23 1983 1–3 25.0% — 1,524 0 0 1983 1–6 14.3% #247 1,411 0 0
24 1984 6–10 37.5% #79 1,533 0 0 1984 4–10 28.6% #163 1,445 0 0
25 1985 8–12 40.0% #188 1,578 0 0 1985 3–6 33.3% #243 1,497 0 0
26 1986 5–9 35.7% #160 1,535 0 0 1986 1–1 50.0% #410 1,506 0 0
27 1987 10–11 47.6% #145 1,588 0 0 — — — — — — —
28 1988 0–3 0.0% #731 1,547 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 Blaine Willenborg David Mustard
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 — — — — — — — — — — — — — — — — — 1978 — — — — — — — — 1 1 2 50.0% — — — —
19 1979 — — — — 0 1 1 0.0% — — — — — — — — 1979 1 1 2 50.0% — — — — — — — — — — — —
20 1980 1 2 3 33.3% 2 3 5 40.0% — — — — — — — — 1980 0 1 1 0.0% — — — — 0 1 1 0.0% — — — —
21 — — — — — — — — — — — — — — — — — 1981 0 2 2 0.0% — — — — 0 1 1 0.0% 0 1 1 0.0%
22 — — — — — — — — — — — — — — — — — 1982 0 1 1 0.0% 1 2 3 33.3% 1 2 3 33.3% — — — —
23 1983 1 2 3 33.3% 0 1 1 0.0% — — — — — — — — 1983 0 2 2 0.0% — — — — 1 3 4 25.0% 0 1 1 0.0%
24 1984 0 2 2 0.0% 6 7 13 46.2% 0 1 1 0.0% — — — — 1984 1 2 3 33.3% 1 3 4 25.0% 2 4 6 33.3% 0 1 1 0.0%
25 1985 1 2 3 33.3% 7 10 17 41.2% — — — — — — — — 1985 0 1 1 0.0% 1 1 2 50.0% 2 2 4 50.0% 0 2 2 0.0%
26 1986 1 1 2 50.0% 4 7 11 36.4% — — — — 0 1 1 0.0% 1986 1 1 2 50.0% — — — — — — — — — — — —
27 1987 4 5 9 44.4% 4 5 9 44.4% — — — — 2 1 3 66.7% — — — — — — — — — — — — — — — — —
28 1988 0 1 1 0.0% 0 1 1 0.0% — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — —
Career — 8 15 23 34.8% 23 35 58 39.7% 0 1 1 0.0% 2 3 5 40.0% — 3 11 14 21.4% 3 6 9 33.3% 7 14 21 33.3% 0 5 5 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 Blaine Willenborg David Mustard
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 — — — — — — — — — — — — — — — — 1978 1504 105.7 — — — — — — — 50.0% +0.25 — — — +0.40
19 1979 1488 100.7 — — — — — — — 33.3% -1.00 0–1 — — +0.07 1979 1503 98.7 — — — — — — — 60.0% -0.20 0–1 1–0 — +0.52
20 1980 1514 103.6 — — — — +42 +1 — 33.3% -0.95 2–0 0–1 — +0.52 1980 1487 98.6 — — — — — — — 20.0% -2.80 0–1 — — -0.11
21 — — — — — — — — — — — — — — — — 1981 1448 106.8 — — — — +48 — — 11.1% -2.44 0–1 — — +0.25
22 — — — — — — — — — — — — — — — — 1982 1435 101.0 — — — — — +84 +75 33.3% -1.17 1–1 1–2 (33%) — +0.53
23 1983 1524 117.1 — — — — +36 — — 25.0% -0.75 — 1–3 (25%) — -0.68 1983 1412 98.3 — — — — +27 — +87 18.8% -1.56 — 0–3 (0%) — +0.38
24 1984 1533 127.2 — — — — — +52 — 39.0% -0.66 3–4 (43%) 3–1 (75%) — -0.13 1984 1445 106.6 — — — — -13 +61 +66 37.1% -0.91 0–3 (0%) 3–3 (50%) — +0.51
25 1985 1578 123.2 — — — — -54 +29 — 43.1% -0.71 3–5 (38%) 6–4 (60%) — +0.25 1985 1497 117.3 — — — — -91 — +76 39.3% -0.79 1–2 (33%) 3–2 (60%) — -0.06
26 1986 1535 110.9 — — — — -23 +43 — 41.7% -0.70 2–4 (33%) 4–3 (57%) — +1.19 1986 1506 99.5 — — — — — — — 50.0% -1.25 — — — +0.21
27 1987 1588 119.3 — — — — -22 -7 — 44.0% -0.44 5–2 (71%) 3–3 (50%) — +0.52 — — — — — — — — — — — — — — — —
28 1988 1548 103.4 — — — — — — — 25.0% -1.63 0–2 0–1 — +0.09 — — — — — — — — — — — — — — — —
Career — 1624 124.4 — — — — -11 +29 — 39.9% -0.70 15–18 (45%) 17–16 (52%) 103.3 +2.10 — 1520 108.7 — — — — -8 +71 +75 33.9% -1.14 2–9 (18%) 8–10 (44%) 94.7 +5.37

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.