H2H data updated: 2026-09-14 00:00 UTC

Ann Kiyomura Hayashi vs Betsy Nagelsen H2H: 2-1

Ann Kiyomura Hayashi holds a 2–1 lead over Betsy Nagelsen in their WTA head-to-head. Across 3 main-draw meetings, they are tied 1–1 on hard courts, while Ann Kiyomura Hayashi leads 1–0 on carpet. Most recently, Ann Kiyomura Hayashi won the 1982 Cincinnati Open round of 32 6-4 4-6 7-6.

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Ann Kiyomura Hayashi
USA
H2H
2 – 1
3 main-draw meetings
Betsy Nagelsen
USA Age 69 Right-Handed 175 cm / 5'9"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Ann Kiyomura Hayashi 6-4 4-6 7-6 Betsy Nagelsen Match data Jan 14, 1982* R32 Cincinnati Open WTA 250 Carpet
Betsy Nagelsen 1-6 7-5 6-0 Ann Kiyomura Hayashi Match data Aug 13, 1981* R32 Richmond WTA 250 Hard
Ann Kiyomura Hayashi 6-3 3-6 7-5 Betsy Nagelsen Match data Aug 2, 1979* R32 San Diego WTA 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
Ann Kiyomura Hayashi — — — 1,925 182 200 47.6% 0 0 0 0 2 2
Betsy Nagelsen #692 #25 28 1,890 266 324 45.1% 0 0 0 0 6 6

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.

Ann Kiyomura Hayashi Betsy Nagelsen
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1968 0–1 0.0% — 1,488 0 0 1972 4–2 66.7% — 1,511 0 1
1969 0–1 0.0% — 1,473 0 0 1973 1–3 25.0% — 1,494 0 1
1970 0–1 0.0% — 1,459 0 0 1974 27–18 60.0% — 1,724 0 3
1971 0–1 0.0% — 1,457 0 0 1975 18–17 51.4% — 1,790 0 3
1972 5–4 55.6% — 1,516 0 0 1976 11–19 36.7% — 1,709 0 3
1973 28–30 48.3% — 1,648 0 0 1977 8–15 34.8% — 1,678 0 3
1974 24–13 64.9% — 1,789 0 0 1978 13–24 35.1% — 1,659 0 3
1975 7–12 36.8% — 1,749 0 0 1979 18–19 48.6% — 1,694 0 5
1976 9–16 36.0% — 1,724 0 0 1980 22–27 44.9% — 1,753 0 5
1977 4–8 33.3% — 1,740 0 0 1981 20–21 48.8% — 1,806 0 6
1978 10–7 58.8% — 1,809 0 1 1982 12–17 41.4% — 1,705 0 6
1979 26–22 54.2% — 1,874 0 1 1983 18–22 45.0% — 1,692 0 6
1980 13–20 39.4% — 1,718 0 1 1984 11–18 37.9% #77 1,630 0 6
1981 23–19 54.8% — 1,852 0 2 1985 14–12 53.8% #81 1,713 0 6
1982 18–20 47.4% — 1,828 0 2 1986 18–17 51.4% #46 1,699 0 6
1983 13–20 39.4% — 1,716 0 2 1987 13–15 46.4% #61 1,645 0 6
1984 2–5 28.6% — 1,686 0 2 1988 11–19 36.7% #109 1,585 0 6
— — — — — — — 1989 18–15 54.5% #45 1,662 0 6
— — — — — — — 1990 8–12 40.0% #96 1,639 0 6
— — — — — — — 1991 0–2 0.0% #337 1,607 0 6
— — — — — — — 1992 1–5 16.7% #418 1,561 0 6
— — — — — — — 1993 0–4 0.0% #394 1,510 0 6
— — — — — — — 1994 0–1 0.0% #692 1,509 0 6

Surface Results by Career Season

Rows are aligned in career order because complete birth data is unavailable. 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.

Ann Kiyomura Hayashi Betsy Nagelsen
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 %
1968 0 1 1 0.0% — — — — — — — — — — — — 1972 — — — — 2 1 3 66.7% 0 1 1 0.0% — — — —
1969 0 1 1 0.0% — — — — — — — — — — — — 1973 1 1 2 50.0% 0 2 2 0.0% — — — — — — — —
1970 0 1 1 0.0% — — — — — — — — — — — — 1974 3 2 5 60.0% 6 6 12 50.0% 13 6 19 68.4% 0 4 4 0.0%
1971 — — — — — — — — 0 1 1 0.0% — — — — 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% 4 2 6 66.7% 0 1 1 0.0% 1976 0 2 2 0.0% 5 11 16 31.3% 3 3 6 50.0% 3 3 6 50.0%
1973 4 5 9 44.4% 7 7 14 50.0% 11 11 22 50.0% 6 7 13 46.2% 1977 3 3 6 50.0% 1 4 5 20.0% 3 5 8 37.5% 1 3 4 25.0%
1974 5 2 7 71.4% 1 2 3 33.3% 14 7 21 66.7% 4 2 6 66.7% 1978 3 7 10 30.0% 4 6 10 40.0% 5 5 10 50.0% 1 6 7 14.3%
1975 4 4 8 50.0% 0 1 1 0.0% 2 2 4 50.0% 0 4 4 0.0% 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% 2 2 4 50.0% 2 4 6 33.3% 5 9 14 35.7% 1980 7 7 14 50.0% 0 2 2 0.0% 10 7 17 58.8% 5 11 16 31.3%
1977 0 1 1 0.0% 0 1 1 0.0% 2 1 3 66.7% 2 5 7 28.6% 1981 5 6 11 45.5% 1 4 5 20.0% 11 4 15 73.3% 3 7 10 30.0%
1978 4 2 6 66.7% 4 0 4 100.0% 1 2 3 33.3% 1 3 4 25.0% 1982 2 4 6 33.3% 2 3 5 40.0% 3 3 6 50.0% 5 7 12 41.7%
1979 10 7 17 58.8% — — — — 1 2 3 33.3% 15 13 28 53.6% 1983 2 7 9 22.2% 2 5 7 28.6% 4 5 9 44.4% 7 4 11 63.6%
1980 7 7 14 50.0% — — — — 3 5 8 37.5% 3 8 11 27.3% 1984 9 7 16 56.3% 0 4 4 0.0% 2 7 9 22.2% — — — —
1981 2 4 6 33.3% 2 2 4 50.0% 9 6 15 60.0% 10 7 17 58.8% 1985 6 5 11 54.5% 0 1 1 0.0% 7 5 12 58.3% 1 1 2 50.0%
1982 6 5 11 54.5% 0 1 1 0.0% 7 6 13 53.8% 5 8 13 38.5% 1986 6 10 16 37.5% 0 1 1 0.0% 7 3 10 70.0% 5 3 8 62.5%
1983 5 5 10 50.0% — — — — 4 6 10 40.0% 4 9 13 30.8% 1987 8 6 14 57.1% — — — — 5 5 10 50.0% 0 4 4 0.0%
1984 0 2 2 0.0% — — — — 2 2 4 50.0% 0 1 1 0.0% 1988 5 13 18 27.8% — — — — 4 5 9 44.4% 2 1 3 66.7%
— — — — — — — — — — — — — — — — — 1989 12 10 22 54.5% — — — — 6 3 9 66.7% 0 2 2 0.0%
— — — — — — — — — — — — — — — — — 1990 3 7 10 30.0% 0 2 2 0.0% 5 3 8 62.5% — — — —
— — — — — — — — — — — — — — — — — 1991 — — — — — — — — 0 2 2 0.0% — — — —
— — — — — — — — — — — — — — — — — 1992 0 2 2 0.0% — — — — 1 1 2 50.0% 0 2 2 0.0%
— — — — — — — — — — — — — — — — — 1993 0 2 2 0.0% — — — — — — — — 0 2 2 0.0%
— — — — — — — — — — — — — — — — — 1994 0 1 1 0.0% — — — — — — — — — — — —
Career 47 48 95 49.5% 17 17 34 50.0% 62 57 119 52.1% 55 77 132 41.7% Career 84 114 198 42.4% 29 59 88 33.0% 95 80 175 54.3% 35 67 102 34.3%

Advanced Statistics Comparison by Career Season

Rows are aligned in career order because complete birth data is unavailable. 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.

Ann Kiyomura Hayashi Betsy Nagelsen
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
1968 1488 90.8 — — — — — — — 0.0% -6.00 — — — -0.08 1972 1511 98.7 — — — — — +28 — 53.8% +0.23 2–1 (67%) 1–1 — +0.77
1969 1473 94.6 — — — — — — — 0.0% -4.50 — — — +0.08 1973 1495 98.7 — — — — — — — 40.0% -1.00 0–2 1–0 — +0.55
1970 1460 98.9 — — — — — — — 0.0% -2.00 — 0–1 — +0.19 1974 1725 133.0 — — — — -176 -202 +77 57.7% +0.46 8–6 (57%) 5–6 (45%) 103.4 +0.58
1971 1457 104.8 — — — — — — — 33.3% -0.67 0–1 — — -0.19 1975 1791 125.1 — — — — -124 -166 -38 45.7% -0.44 4–4 (50%) 3–3 (50%) 101.5 -3.05
1972 1516 107.6 — — — — — — +85 47.6% +0.24 3–0 (100%) 0–1 — +1.18 1976 1709 124.2 — — — — -65 -116 +70 41.4% -0.76 3–7 (30%) 1–1 — -1.73
1973 1648 127.6 — — — — -75 -23 -24 50.0% -0.14 8–12 (40%) 4–4 (50%) 99.3 +4.25 1977 1678 123.8 — — — — -30 -105 +46 37.9% -0.62 6–6 (50%) 1–2 (33%) — +0.05
1974 1789 136.8 — — — — -106 -163 +40 59.5% +0.55 8–4 (67%) 2–1 (67%) 107.2 +0.93 1978 1659 129.6 — — — — -99 -85 +99 40.7% -0.58 4–10 (29%) 3–7 (30%) 92.4 -0.84
1975 1750 124.3 — — — — -7 — +32 38.6% -1.16 3–5 (38%) 2–1 (67%) 100.1 -0.93 1979 1695 122.8 — — — — -132 — +12 48.9% +0.08 8–8 (50%) 1–3 (25%) 98.5 +1.65
1976 1724 127.9 — — — — -53 -75 +49 41.1% -0.80 3–5 (38%) 1–1 — -0.96 1980 1753 130.7 — — — — -148 — +40 47.9% -0.41 7–12 (37%) 6–2 (75%) 102.2 -1.78
1977 1740 135.0 — — — — -68 — +42 37.0% -0.93 1–2 (33%) 0–1 — -1.45 1981 1806 134.9 — — — — -129 -305 +99 49.5% -0.18 8–7 (53%) 5–5 (50%) 103.7 -3.53
1978 1810 140.1 — — — — -59 -135 -22 56.8% +0.62 2–1 (67%) 1–2 (33%) 100.7 -0.22 1982 1705 123.2 — — — — -99 -214 +170 47.3% -0.34 5–11 (31%) 9–3 (75%) 100.0 -0.40
1979 1875 150.3 — — — — +16 — -129 53.6% +0.14 12–8 (60%) 5–4 (56%) 104.4 -0.58 1983 1693 126.7 — — — — -32 -138 +114 46.3% -0.46 7–8 (47%) 7–6 (54%) 102.2 +0.98
1980 1719 127.4 — — — — +24 — -38 46.7% -0.05 4–9 (31%) 2–4 (33%) 91.8 -0.63 1984 1631 126.4 — — — — +59 -141 +117 41.4% -0.51 5–7 (42%) 7–3 (70%) 99.2 +0.69
1981 1852 135.7 — — — — -26 -139 -64 53.7% +0.03 6–5 (55%) 3–2 (60%) 101.7 -0.47 1985 1714 129.5 — — — — -26 — +87 54.2% +0.36 7–4 (64%) 1–2 (33%) — +1.17
1982 1828 133.7 — — — — -41 — 0 43.0% -0.73 9–5 (64%) 6–1 (86%) 108.1 -4.10 1986 1699 131.1 — — — — -55 — +171 51.8% +0.01 6–7 (46%) 4–3 (57%) 98.8 +1.66
1983 1717 130.9 — — — — +25 — +29 42.0% -0.68 2–3 (40%) 6–3 (67%) 100.2 -1.71 1987 1646 121.6 — — — — -24 — +148 46.2% 0.00 5–6 (45%) 4–5 (44%) 97.1 +1.69
1984 1687 109.3 — — — — -20 — +88 26.7% -2.27 1–0 1–0 — -0.36 1988 1586 116.1 — — — — -27 — +128 42.5% -0.27 4–9 (31%) 5–8 (38%) 93.3 +1.55
— — — — — — — — — — — — — — — — 1989 1662 126.0 — — — — -56 — +96 50.6% +0.04 11–6 (65%) 3–4 (43%) 105.8 +1.48
— — — — — — — — — — — — — — — — 1990 1640 115.0 — — — — -81 — +173 40.0% -0.60 3–2 (60%) 2–4 (33%) 100.0 +0.09
— — — — — — — — — — — — — — — — 1991 1608 97.2 — — — — — — — 20.0% -2.40 0–1 — — -0.01
— — — — — — — — — — — — — — — — 1992 1561 105.4 — — — — -52 — — 26.7% -1.67 1–2 (33%) 1–0 — +0.03
— — — — — — — — — — — — — — — — 1993 1511 98.5 — — — — -47 — — 20.0% -2.70 0–2 0–1 — +0.17
— — — — — — — — — — — — — — — — 1994 1509 102.5 — — — — — — — 0.0% -5.50 — — — -0.16
Career 1926 140.1 — — — — -21 -76 +3 48.0% -0.26 62–60 (51%) 33–26 (56%) 104.8 -1.34 Career 1891 131.9 — — — — -73 -148 +94 46.5% -0.28 104–128 (45%) 70–69 (50%) 101.1 +0.27

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.