H2H data updated: 2026-09-13 00:00 UTC

Betsy Nagelsen vs Iris Riedel Kuhn H2H: 0-1

Iris Riedel Kuhn holds a 1–0 lead over Betsy Nagelsen in their WTA head-to-head. Across 1 main-draw meeting, Iris Riedel Kuhn leads 1–0 on clay. Most recently, Iris Riedel Kuhn won the 1976 Hamburg Open round of 32 6-3 6-2.

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Betsy Nagelsen
USA Age 69 Right-Handed 175 cm / 5'9"
H2H
0 – 1
1 main-draw meetings
Iris Riedel Kuhn
FRG Age 72

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Iris Riedel Kuhn 6-3 6-2 Betsy Nagelsen Match data May 20, 1976* R32 Hamburg Open WTA 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
Betsy Nagelsen #692 #25 28 1,890 266 324 45.1% 0 0 0 0 6 6
Iris Riedel Kuhn — — — 1,845 104 96 52.0% 0 0 0 0 7 7

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 Betsy Nagelsen Iris Riedel Kuhn
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
15 1972 4–2 66.7% — 1,511 0 1 — — — — — — —
16 1973 1–3 25.0% — 1,494 0 1 — — — — — — —
17 1974 27–18 60.0% — 1,724 0 3 — — — — — — —
18 1975 18–17 51.4% — 1,790 0 3 1972 1–2 33.3% — 1,484 0 0
19 1976 11–19 36.7% — 1,709 0 3 1973 0–1 0.0% — 1,479 0 0
20 1977 8–15 34.8% — 1,678 0 3 1974 2–4 33.3% — 1,490 0 0
21 1978 13–24 35.1% — 1,659 0 3 1975 16–13 55.2% — 1,684 0 0
22 1979 18–19 48.6% — 1,694 0 5 1976 10–15 40.0% — 1,679 0 0
23 1980 22–27 44.9% — 1,753 0 5 1977 13–14 48.1% — 1,706 0 0
24 1981 20–21 48.8% — 1,806 0 6 1978 13–10 56.5% — 1,694 0 1
25 1982 12–17 41.4% — 1,705 0 6 1979 5–9 35.7% — 1,685 0 1
26 1983 18–22 45.0% — 1,692 0 6 1980 28–9 75.7% — 1,820 0 4
27 1984 11–18 37.9% #77 1,630 0 6 1981 15–13 53.6% — 1,730 0 7
28 1985 14–12 53.8% #81 1,713 0 6 1982 1–6 14.3% — 1,627 0 7
29 1986 18–17 51.4% #46 1,699 0 6 — — — — — — —
30 1987 13–15 46.4% #61 1,645 0 6 — — — — — — —
31 1988 11–19 36.7% #109 1,585 0 6 — — — — — — —
32 1989 18–15 54.5% #45 1,662 0 6 — — — — — — —
33 1990 8–12 40.0% #96 1,639 0 6 — — — — — — —
34 1991 0–2 0.0% #337 1,607 0 6 — — — — — — —
35 1992 1–5 16.7% #418 1,561 0 6 — — — — — — —
36 1993 0–4 0.0% #394 1,510 0 6 — — — — — — —
37 1994 0–1 0.0% #692 1,509 0 6 — — — — — — —

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 Betsy Nagelsen Iris Riedel Kuhn
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 %
15 1972 — — — — 2 1 3 66.7% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
16 1973 1 1 2 50.0% 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
17 1974 3 2 5 60.0% 6 6 12 50.0% 13 6 19 68.4% 0 4 4 0.0% — — — — — — — — — — — — — — — — —
18 1975 5 5 10 50.0% 6 5 11 54.5% 2 3 5 40.0% 0 1 1 0.0% 1972 1 1 2 50.0% 0 1 1 0.0% — — — — — — — —
19 1976 0 2 2 0.0% 5 11 16 31.3% 3 3 6 50.0% 3 3 6 50.0% 1973 — — — — 0 1 1 0.0% — — — — — — — —
20 1977 3 3 6 50.0% 1 4 5 20.0% 3 5 8 37.5% 1 3 4 25.0% 1974 — — — — 2 4 6 33.3% — — — — — — — —
21 1978 3 7 10 30.0% 4 6 10 40.0% 5 5 10 50.0% 1 6 7 14.3% 1975 — — — — 14 10 24 58.3% 1 1 2 50.0% 1 2 3 33.3%
22 1979 4 7 11 36.4% 0 2 2 0.0% 4 4 8 50.0% 2 6 8 25.0% 1976 0 1 1 0.0% 6 7 13 46.2% 0 1 1 0.0% 4 6 10 40.0%
23 1980 7 7 14 50.0% 0 2 2 0.0% 10 7 17 58.8% 5 11 16 31.3% 1977 0 2 2 0.0% 13 9 22 59.1% 0 1 1 0.0% 0 2 2 0.0%
24 1981 5 6 11 45.5% 1 4 5 20.0% 11 4 15 73.3% 3 7 10 30.0% 1978 — — — — 5 5 10 50.0% 1 3 4 25.0% 2 2 4 50.0%
25 1982 2 4 6 33.3% 2 3 5 40.0% 3 3 6 50.0% 5 7 12 41.7% 1979 0 1 1 0.0% 3 5 8 37.5% 1 1 2 50.0% 0 1 1 0.0%
26 1983 2 7 9 22.2% 2 5 7 28.6% 4 5 9 44.4% 7 4 11 63.6% 1980 — — — — 25 7 32 78.1% — — — — 1 1 2 50.0%
27 1984 9 7 16 56.3% 0 4 4 0.0% 2 7 9 22.2% — — — — 1981 — — — — 12 7 19 63.2% 0 1 1 0.0% 0 1 1 0.0%
28 1985 6 5 11 54.5% 0 1 1 0.0% 7 5 12 58.3% 1 1 2 50.0% 1982 — — — — 1 6 7 14.3% — — — — — — — —
29 1986 6 10 16 37.5% 0 1 1 0.0% 7 3 10 70.0% 5 3 8 62.5% — — — — — — — — — — — — — — — — —
30 1987 8 6 14 57.1% — — — — 5 5 10 50.0% 0 4 4 0.0% — — — — — — — — — — — — — — — — —
31 1988 5 13 18 27.8% — — — — 4 5 9 44.4% 2 1 3 66.7% — — — — — — — — — — — — — — — — —
32 1989 12 10 22 54.5% — — — — 6 3 9 66.7% 0 2 2 0.0% — — — — — — — — — — — — — — — — —
33 1990 3 7 10 30.0% 0 2 2 0.0% 5 3 8 62.5% — — — — — — — — — — — — — — — — — — — — —
34 1991 — — — — — — — — 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — —
35 1992 0 2 2 0.0% — — — — 1 1 2 50.0% 0 2 2 0.0% — — — — — — — — — — — — — — — — —
36 1993 0 2 2 0.0% — — — — — — — — 0 2 2 0.0% — — — — — — — — — — — — — — — — —
37 1994 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 84 114 198 42.4% 29 59 88 33.0% 95 80 175 54.3% 35 67 102 34.3% — 1 5 6 16.7% 81 62 143 56.6% 3 8 11 27.3% 8 15 23 34.8%

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 Betsy Nagelsen Iris Riedel Kuhn
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
15 1972 1511 98.7 — — — — — +28 — 53.8% +0.23 2–1 (67%) 1–1 — +0.77 — — — — — — — — — — — — — — — —
16 1973 1495 98.7 — — — — — — — 40.0% -1.00 0–2 1–0 — +0.55 — — — — — — — — — — — — — — — —
17 1974 1725 133.0 — — — — -176 -202 +77 57.7% +0.46 8–6 (57%) 5–6 (45%) 103.4 +0.58 — — — — — — — — — — — — — — — —
18 1975 1791 125.1 — — — — -124 -166 -38 45.7% -0.44 4–4 (50%) 3–3 (50%) 101.5 -3.05 1972 1485 97.6 — — — — — — — 33.3% -1.33 — 1–0 — +0.37
19 1976 1709 124.2 — — — — -65 -116 +70 41.4% -0.76 3–7 (30%) 1–1 — -1.73 1973 1479 104.1 — — — — — — — 0.0% -3.50 — — — -0.12
20 1977 1678 123.8 — — — — -30 -105 +46 37.9% -0.62 6–6 (50%) 1–2 (33%) — +0.05 1974 1491 113.8 — — — — — +14 — 45.5% -0.64 0–1 — — +0.12
21 1978 1659 129.6 — — — — -99 -85 +99 40.7% -0.58 4–10 (29%) 3–7 (30%) 92.4 -0.84 1975 1685 137.0 — — — — -42 +13 — 53.7% +0.22 7–6 (54%) 5–3 (63%) 104.4 -0.17
22 1979 1695 122.8 — — — — -132 — +12 48.9% +0.08 8–8 (50%) 1–3 (25%) 98.5 +1.65 1976 1680 125.4 — — — — -69 +22 — 41.4% -0.64 4–4 (50%) 1–0 — -0.74
23 1980 1753 130.7 — — — — -148 — +40 47.9% -0.41 7–12 (37%) 6–2 (75%) 102.2 -1.78 1977 1706 135.3 — — — — -154 +71 — 48.4% -0.23 4–4 (50%) 1–2 (33%) 99.3 -1.31
24 1981 1806 134.9 — — — — -129 -305 +99 49.5% -0.18 8–7 (53%) 5–5 (50%) 103.7 -3.53 1978 1694 124.7 — — — — -99 -10 -173 58.5% +0.91 2–5 (29%) 1–1 — +2.71
25 1982 1705 123.2 — — — — -99 -214 +170 47.3% -0.34 5–11 (31%) 9–3 (75%) 100.0 -0.40 1979 1685 123.5 — — — — — +33 — 41.9% -1.35 2–3 (40%) 1–0 — -1.31
26 1983 1693 126.7 — — — — -32 -138 +114 46.3% -0.46 7–8 (47%) 7–6 (54%) 102.2 +0.98 1980 1820 140.6 — — — — — +136 — 72.7% +1.95 5–4 (56%) 1–3 (25%) 99.3 +1.28
27 1984 1631 126.4 — — — — +59 -141 +117 41.4% -0.51 5–7 (42%) 7–3 (70%) 99.2 +0.69 1981 1730 122.0 — — — — — +227 — 51.7% -0.26 4–2 (67%) 3–0 (100%) 103.5 -0.12
28 1985 1714 129.5 — — — — -26 — +87 54.2% +0.36 7–4 (64%) 1–2 (33%) — +1.17 1982 1627 97.1 — — — — — +128 — 29.4% -1.12 0–3 (0%) 0–2 — +0.33
29 1986 1699 131.1 — — — — -55 — +171 51.8% +0.01 6–7 (46%) 4–3 (57%) 98.8 +1.66 — — — — — — — — — — — — — — — —
30 1987 1646 121.6 — — — — -24 — +148 46.2% 0.00 5–6 (45%) 4–5 (44%) 97.1 +1.69 — — — — — — — — — — — — — — — —
31 1988 1586 116.1 — — — — -27 — +128 42.5% -0.27 4–9 (31%) 5–8 (38%) 93.3 +1.55 — — — — — — — — — — — — — — — —
32 1989 1662 126.0 — — — — -56 — +96 50.6% +0.04 11–6 (65%) 3–4 (43%) 105.8 +1.48 — — — — — — — — — — — — — — — —
33 1990 1640 115.0 — — — — -81 — +173 40.0% -0.60 3–2 (60%) 2–4 (33%) 100.0 +0.09 — — — — — — — — — — — — — — — —
34 1991 1608 97.2 — — — — — — — 20.0% -2.40 0–1 — — -0.01 — — — — — — — — — — — — — — — —
35 1992 1561 105.4 — — — — -52 — — 26.7% -1.67 1–2 (33%) 1–0 — +0.03 — — — — — — — — — — — — — — — —
36 1993 1511 98.5 — — — — -47 — — 20.0% -2.70 0–2 0–1 — +0.17 — — — — — — — — — — — — — — — —
37 1994 1509 102.5 — — — — — — — 0.0% -5.50 — — — -0.16 — — — — — — — — — — — — — — — —
Career — 1891 131.9 — — — — -73 -148 +94 46.5% -0.28 104–128 (45%) 70–69 (50%) 101.1 +0.27 — 1845 136.1 — — — — -86 +85 -173 52.5% +0.14 28–32 (47%) 14–11 (56%) 99.6 +0.53

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.