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

Blaine Willenborg vs Heinz Gunthardt H2H: 2-0

Blaine Willenborg holds a 2–0 lead over Heinz Gunthardt in their ATP head-to-head. Across 2 main-draw meetings, Blaine Willenborg leads 2–0 on clay. Most recently, Blaine Willenborg won the 1986 Austrian Open Kitzbühel round of 64 7-6 7-6.

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Blaine Willenborg
USA Age 66 Right-Handed 170 cm / 5'7"
H2H
2 – 0
2 main-draw meetings
Heinz Gunthardt
SUI Age 67 Right-Handed 180 cm / 5'11"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Blaine Willenborg #183 7-6 7-6 Heinz Gunthardt #51 Match data Aug 6, 1986* R64 Austrian Open Kitzbühel ATP 250 Clay
Blaine Willenborg #87 7-6 6-0 Heinz Gunthardt #34 Match data Aug 3, 1984* R16 North Conway 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
Heinz Gunthardt #1,013 #22 0 1,969 225 189 54.3% 0 0 0 0 5 5

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 Heinz Gunthardt
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 — — — — — — — 1976 1–4 20.0% #210 1,496 0 0
18 — — — — — — — 1977 3–6 33.3% #234 1,509 0 0
19 1979 0–1 0.0% #579 1,488 0 0 1978 25–25 50.0% #55 1,765 0 1
20 1980 3–5 37.5% #283 1,514 0 0 1979 30–23 56.6% #51 1,815 0 1
21 — — — — — — — 1980 37–21 63.8% #26 1,834 0 4
22 — — — — — — — 1981 28–22 56.0% #38 1,813 0 4
23 1983 1–3 25.0% — 1,524 0 0 1982 26–25 51.0% #85 1,722 0 4
24 1984 6–10 37.5% #79 1,533 0 0 1983 27–15 64.3% #25 1,853 0 5
25 1985 8–12 40.0% #188 1,578 0 0 1984 23–19 54.8% #31 1,779 0 5
26 1986 5–9 35.7% #160 1,535 0 0 1985 22–19 53.7% #36 1,820 0 5
27 1987 10–11 47.6% #145 1,588 0 0 1986 3–9 25.0% #251 1,671 0 5
28 1988 0–3 0.0% #731 1,547 0 0 1987 0–1 0.0% #954 1,664 0 5

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 Heinz Gunthardt
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 — — — — — — — — — — — — — — — — — 1976 0 1 1 0.0% 1 2 3 33.3% — — — — 0 1 1 0.0%
18 — — — — — — — — — — — — — — — — — 1977 0 2 2 0.0% 0 2 2 0.0% 1 1 2 50.0% 2 1 3 66.7%
19 1979 — — — — 0 1 1 0.0% — — — — — — — — 1978 9 7 16 56.3% 9 12 21 42.9% 1 3 4 25.0% 6 3 9 66.7%
20 1980 1 2 3 33.3% 2 3 5 40.0% — — — — — — — — 1979 15 9 24 62.5% 13 8 21 61.9% 1 1 2 50.0% 1 5 6 16.7%
21 — — — — — — — — — — — — — — — — — 1980 13 6 19 68.4% 11 5 16 68.8% 2 1 3 66.7% 11 9 20 55.0%
22 — — — — — — — — — — — — — — — — — 1981 6 4 10 60.0% 15 10 25 60.0% 0 1 1 0.0% 7 7 14 50.0%
23 1983 1 2 3 33.3% 0 1 1 0.0% — — — — — — — — 1982 2 3 5 40.0% 16 12 28 57.1% 0 1 1 0.0% 8 9 17 47.1%
24 1984 0 2 2 0.0% 6 7 13 46.2% 0 1 1 0.0% — — — — 1983 10 4 14 71.4% 17 9 26 65.4% — — — — 0 2 2 0.0%
25 1985 1 2 3 33.3% 7 10 17 41.2% — — — — — — — — 1984 7 6 13 53.8% 12 6 18 66.7% 0 1 1 0.0% 4 6 10 40.0%
26 1986 1 1 2 50.0% 4 7 11 36.4% — — — — 0 1 1 0.0% 1985 9 7 16 56.3% 6 5 11 54.5% 4 1 5 80.0% 3 6 9 33.3%
27 1987 4 5 9 44.4% 4 5 9 44.4% — — — — 2 1 3 66.7% 1986 0 1 1 0.0% 1 5 6 16.7% 1 1 2 50.0% 1 2 3 33.3%
28 1988 0 1 1 0.0% 0 1 1 0.0% — — — — 0 1 1 0.0% 1987 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% — 71 51 122 58.2% 101 76 177 57.1% 10 11 21 47.6% 43 51 94 45.7%

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 Blaine Willenborg Heinz Gunthardt
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
17 — — — — — — — — — — — — — — — — 1976 1497 106.8 — — — — — +44 — 27.3% -2.09 0–1 0–1 — -0.14
18 — — — — — — — — — — — — — — — — 1977 1510 115.1 — — — — +44 — — 40.0% -0.60 0–2 1–1 — +0.49
19 1979 1488 100.7 — — — — — — — 33.3% -1.00 0–1 — — +0.07 1978 1766 146.9 — — — — +3 -145 -225 48.8% -0.21 10–7 (59%) 9–7 (56%) 107.7 -3.10
20 1980 1514 103.6 — — — — +42 +1 — 33.3% -0.95 2–0 0–1 — +0.52 1979 1815 145.2 — — — — -9 -69 — 54.6% +0.22 11–8 (58%) 11–6 (65%) 106.3 -1.34
21 — — — — — — — — — — — — — — — — 1980 1835 148.3 — — — — +31 -59 -191 59.5% +0.48 12–8 (60%) 11–5 (69%) 105.9 -2.27
22 — — — — — — — — — — — — — — — — 1981 1813 148.5 — — — — -9 +4 — 53.1% +0.19 8–4 (67%) 8–6 (57%) 106.5 -2.56
23 1983 1524 117.1 — — — — +36 — — 25.0% -0.75 — 1–3 (25%) — -0.68 1982 1722 150.4 — — — — +6 +108 — 50.0% +0.01 5–3 (63%) 8–8 (50%) 100.4 -3.00
24 1984 1533 127.2 — — — — — +52 — 39.0% -0.66 3–4 (43%) 3–1 (75%) 102.4 -0.13 1983 1853 151.4 — — — — -33 0 — 59.8% +0.76 10–9 (53%) 5–9 (36%) 96.3 -0.24
25 1985 1578 123.2 — — — — -54 +29 — 43.1% -0.71 3–5 (38%) 6–4 (60%) 101.6 +0.25 1984 1779 140.1 — — — — -19 +105 — 50.5% +0.08 9–3 (75%) 10–13 (43%) 103.8 -0.50
26 1986 1535 110.9 — — — — -23 +43 — 41.7% -0.70 2–4 (33%) 4–3 (57%) 98.9 +1.19 1985 1820 135.6 — — — — -43 -26 -105 50.0% +0.11 11–6 (65%) 6–11 (35%) 100.8 0.00
27 1987 1588 119.3 — — — — -22 -7 — 44.0% -0.44 5–2 (71%) 3–3 (50%) 105.1 +0.52 1986 1672 117.2 — — — — +63 +24 — 38.2% -0.35 0–4 (0%) 2–7 (22%) 88.0 +0.03
28 1988 1548 103.4 — — — — — — — 25.0% -1.63 0–2 0–1 — +0.09 1987 1665 110.5 — — — — — — — 33.3% -0.67 0–1 — — -0.32
Career — 1624 124.4 — — — — -11 +29 — 39.9% -0.70 15–18 (45%) 17–16 (52%) 103.3 +2.10 — 1970 150.7 — — — — -3 -2 -167 52.3% +0.15 76–56 (58%) 71–74 (49%) 103.5 -3.13

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.