H2H data updated: 2026-09-05 00:00 UTC

Larry Stefanki vs Heinz Gunthardt H2H: 1-0

Larry Stefanki holds a 1–0 lead over Heinz Gunthardt in their ATP head-to-head. Across 1 main-draw meeting, Larry Stefanki leads 1–0 on hard courts. Most recently, Larry Stefanki won the 1983 Cincinnati Open round of 64 4-6 7-5 7-6.

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Larry Stefanki
USA Age 69 Right-Handed 178 cm / 5'10"
H2H
1 – 0
1 main draw meetings
Heinz Gunthardt
SUI Age 67 Right-Handed 180 cm / 5'11"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Larry Stefanki 4-6 7-5 7-6 Heinz Gunthardt #33 Match data Aug 17, 1983* R64 Cincinnati Open ATP 500 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
Larry Stefanki #1,109 #35 8 1,729 53 87 37.9% 0 0 0 0 1 1
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 Larry Stefanki 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 — — — — — — — 1978 25–25 50.0% #55 1,765 0 1
20 — — — — — — — 1979 30–23 56.6% #51 1,815 0 1
21 1979 1–1 50.0% #245 1,511 0 0 1980 37–21 63.8% #26 1,834 0 4
22 1980 0–4 0.0% #325 1,471 0 0 1981 28–22 56.0% #38 1,813 0 4
23 1981 12–18 40.0% — 1,521 0 0 1982 26–25 51.0% #85 1,722 0 4
24 1982 6–15 28.6% — 1,466 0 0 1983 27–15 64.3% #25 1,853 0 5
25 1983 7–9 43.8% #223 1,545 0 0 1984 23–19 54.8% #31 1,779 0 5
26 1984 11–13 45.8% #115 1,599 0 0 1985 22–19 53.7% #36 1,820 0 5
27 1985 11–15 42.3% #54 1,632 0 1 1986 3–9 25.0% #251 1,671 0 5
28 1986 4–9 30.8% #241 1,626 0 1 1987 0–1 0.0% #954 1,664 0 5
29 1987 1–2 33.3% #273 1,597 0 1 — — — — — — —
32 1990 0–1 0.0% #706 1,579 0 1 — — — — — — —

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 Larry Stefanki 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 — — — — — — — — — — — — — — — — — 1978 9 7 16 56.3% 9 12 21 42.9% 1 3 4 25.0% 6 3 9 66.7%
20 — — — — — — — — — — — — — — — — — 1979 15 9 24 62.5% 13 8 21 61.9% 1 1 2 50.0% 1 5 6 16.7%
21 1979 1 1 2 50.0% — — — — — — — — — — — — 1980 13 6 19 68.4% 11 5 16 68.8% 2 1 3 66.7% 11 9 20 55.0%
22 1980 0 1 1 0.0% 0 2 2 0.0% — — — — 0 1 1 0.0% 1981 6 4 10 60.0% 15 10 25 60.0% 0 1 1 0.0% 7 7 14 50.0%
23 1981 5 6 11 45.5% 5 5 10 50.0% 1 4 5 20.0% 1 3 4 25.0% 1982 2 3 5 40.0% 16 12 28 57.1% 0 1 1 0.0% 8 9 17 47.1%
24 1982 3 7 10 30.0% 0 1 1 0.0% 3 5 8 37.5% 0 2 2 0.0% 1983 10 4 14 71.4% 17 9 26 65.4% — — — — 0 2 2 0.0%
25 1983 5 4 9 55.6% 1 1 2 50.0% 0 2 2 0.0% 1 2 3 33.3% 1984 7 6 13 53.8% 12 6 18 66.7% 0 1 1 0.0% 4 6 10 40.0%
26 1984 8 9 17 47.1% — — — — 0 2 2 0.0% 3 2 5 60.0% 1985 9 7 16 56.3% 6 5 11 54.5% 4 1 5 80.0% 3 6 9 33.3%
27 1985 9 8 17 52.9% — — — — 2 3 5 40.0% 0 4 4 0.0% 1986 0 1 1 0.0% 1 5 6 16.7% 1 1 2 50.0% 1 2 3 33.3%
28 1986 2 4 6 33.3% 0 1 1 0.0% — — — — 2 4 6 33.3% 1987 0 1 1 0.0% — — — — — — — — — — — —
29 1987 1 1 2 50.0% — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
32 1990 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 34 42 76 44.7% 6 10 16 37.5% 6 17 23 26.1% 7 18 25 28.0% — 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 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 Larry Stefanki 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 — — — — — — — — — — — — — — — — 1978 1766 146.9 — — — — +3 -145 -225 48.8% -0.21 10–7 (59%) 9–7 (56%) 107.7 -3.10
20 — — — — — — — — — — — — — — — — 1979 1815 145.2 — — — — -9 -69 — 54.6% +0.22 11–8 (58%) 11–6 (65%) 106.3 -1.34
21 1979 1512 108.9 — — — — — — — 50.0% +0.75 — — — +0.11 1980 1835 148.3 — — — — +31 -59 -191 59.5% +0.48 12–8 (60%) 11–5 (69%) 105.9 -2.27
22 1980 1472 102.7 — — — — — — — 0.0% -3.00 — 0–1 — +0.19 1981 1813 148.5 — — — — -9 +4 — 53.1% +0.19 8–4 (67%) 8–6 (57%) 106.5 -2.56
23 1981 1521 118.3 — — — — +46 -21 +12 35.2% -0.75 4–2 (67%) 4–7 (36%) 101.2 +3.32 1982 1722 150.4 — — — — +6 +108 — 50.0% +0.01 5–3 (63%) 8–8 (50%) 100.4 -3.00
24 1982 1466 112.8 — — — — +46 — +35 43.3% -0.22 0–10 (0%) 4–9 (31%) 86.9 +1.57 1983 1853 151.4 — — — — -33 0 — 59.8% +0.76 10–9 (53%) 5–9 (36%) 96.3 -0.24
25 1983 1546 120.9 — — — — +40 — — 42.9% -0.69 5–3 (63%) 6–5 (55%) 104.0 -0.35 1984 1779 140.1 — — — — -19 +105 — 50.5% +0.08 9–3 (75%) 10–13 (43%) 103.8 -0.50
26 1984 1599 124.6 — — — — +60 — — 44.3% -0.25 5–3 (63%) 5–5 (50%) 105.4 +1.47 1985 1820 135.6 — — — — -43 -26 -105 50.0% +0.11 11–6 (65%) 6–11 (35%) 100.8 0.00
27 1985 1633 134.7 — — — — +26 — -155 43.5% -0.63 3–4 (43%) 4–4 (50%) 101.4 -1.72 1986 1672 117.2 — — — — +63 +24 — 38.2% -0.35 0–4 (0%) 2–7 (22%) 88.0 +0.03
28 1986 1627 125.3 — — — — +4 — — 36.7% -0.97 1–3 (25%) 3–3 (50%) 97.2 -1.43 1987 1665 110.5 — — — — — — — 33.3% -0.67 0–1 — — -0.32
29 1987 1598 99.0 — — — — — — — 33.3% -1.44 1–0 1–0 — +0.36 — — — — — — — — — — — — — — — —
32 1990 1579 97.8 — — — — — — — 0.0% -3.50 — — — +0.15 — — — — — — — — — — — — — — — —
Career — 1729 127.8 — — — — +39 -21 -24 39.8% -0.63 19–25 (43%) 27–34 (44%) 98.3 +2.64 — 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.