H2H data updated: 2026-10-29 00:00 UTC

Janet Newberry vs Ann Kiyomura Hayashi H2H: 1-0

Janet Newberry holds a 1–0 lead over Ann Kiyomura Hayashi in their WTA head-to-head. Across 1 main-draw meeting, Janet Newberry leads 1–0 on carpet. Most recently, Janet Newberry won the 1975 Detroit round of 32 6-2 6-4.

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Janet Newberry
USA Age 73 Right-Handed 170 cm / 5'7"
H2H
1 – 0
1 main-draw meetings
Ann Kiyomura Hayashi
USA

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Janet Newberry 6-2 6-4 Ann Kiyomura Hayashi Match data Feb 21, 1975* R32 Detroit WTA 250 Carpet

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
Janet Newberry — — — 1,923 238 187 56.0% 0 0 0 1 7 8
Ann Kiyomura Hayashi — — — 1,927 182 200 47.6% 0 0 0 0 2 2

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.

Janet Newberry Ann Kiyomura Hayashi
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1968 7–5 58.3% — 1,542 0 0 1968 0–1 0.0% — 1,488 0 0
1969 13–6 68.4% — 1,631 0 2 1969 0–1 0.0% — 1,473 0 0
1970 20–7 74.1% — 1,718 0 5 1970 0–1 0.0% — 1,459 0 0
1971 15–9 62.5% — 1,757 0 5 1971 0–1 0.0% — 1,457 0 0
1972 20–17 54.1% — 1,707 0 5 1972 5–4 55.6% — 1,516 0 0
1973 32–24 57.1% — 1,851 0 5 1973 28–30 48.3% — 1,648 0 0
1974 22–22 50.0% — 1,812 0 5 1974 24–13 64.9% — 1,789 0 0
1975 31–22 58.5% — 1,903 0 6 1975 7–12 36.8% — 1,749 0 0
1976 14–10 58.3% — 1,863 0 6 1976 9–16 36.0% — 1,725 0 0
1977 25–22 53.2% — 1,873 0 7 1977 4–8 33.3% — 1,741 0 0
1978 15–14 51.7% — 1,830 0 7 1978 10–7 58.8% — 1,812 0 1
1979 12–21 36.4% — 1,680 0 7 1979 26–22 54.2% — 1,876 0 1
1980 12–8 60.0% — 1,645 0 8 1980 13–20 39.4% — 1,720 0 1
— — — — — — — 1981 23–19 54.8% — 1,853 0 2
— — — — — — — 1982 18–20 47.4% — 1,829 0 2
— — — — — — — 1983 13–20 39.4% — 1,717 0 2
— — — — — — — 1984 2–5 28.6% — 1,687 0 2

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.

Janet Newberry Ann Kiyomura Hayashi
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 7 5 12 58.3% — — — — — — — — — — — — 1968 0 1 1 0.0% — — — — — — — — — — — —
1969 12 4 16 75.0% — — — — 1 2 3 33.3% — — — — 1969 0 1 1 0.0% — — — — — — — — — — — —
1970 15 3 18 83.3% 2 1 3 66.7% 3 3 6 50.0% — — — — 1970 0 1 1 0.0% — — — — — — — — — — — —
1971 2 2 4 50.0% 1 1 2 50.0% 12 6 18 66.7% — — — — 1971 — — — — — — — — 0 1 1 0.0% — — — —
1972 6 4 10 60.0% 6 6 12 50.0% 6 6 12 50.0% — — — — 1972 — — — — 1 1 2 50.0% 4 2 6 66.7% 0 1 1 0.0%
1973 6 5 11 54.5% 10 5 15 66.7% 8 5 13 61.5% 8 9 17 47.1% 1973 4 5 9 44.4% 7 7 14 50.0% 11 11 22 50.0% 6 7 13 46.2%
1974 4 5 9 44.4% 1 4 5 20.0% 8 4 12 66.7% 9 9 18 50.0% 1974 5 2 7 71.4% 1 2 3 33.3% 14 7 21 66.7% 4 2 6 66.7%
1975 7 5 12 58.3% 20 9 29 69.0% 3 2 5 60.0% 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%
1976 1 2 3 33.3% 9 4 13 69.2% 2 2 4 50.0% 2 2 4 50.0% 1976 0 1 1 0.0% 2 2 4 50.0% 2 4 6 33.3% 5 9 14 35.7%
1977 4 4 8 50.0% 13 7 20 65.0% 3 3 6 50.0% 5 8 13 38.5% 1977 0 1 1 0.0% 0 1 1 0.0% 2 1 3 66.7% 2 5 7 28.6%
1978 1 2 3 33.3% 7 5 12 58.3% 5 3 8 62.5% 2 4 6 33.3% 1978 4 2 6 66.7% 4 0 4 100.0% 1 2 3 33.3% 1 3 4 25.0%
1979 2 4 6 33.3% 2 5 7 28.6% 5 5 10 50.0% 1 5 6 16.7% 1979 10 7 17 58.8% — — — — 1 2 3 33.3% 15 13 28 53.6%
1980 6 5 11 54.5% 1 1 2 50.0% 4 0 4 100.0% — — — — 1980 7 7 14 50.0% — — — — 3 5 8 37.5% 3 8 11 27.3%
— — — — — — — — — — — — — — — — — 1981 2 4 6 33.3% 2 2 4 50.0% 9 6 15 60.0% 10 7 17 58.8%
— — — — — — — — — — — — — — — — — 1982 6 5 11 54.5% 0 1 1 0.0% 7 6 13 53.8% 5 8 13 38.5%
— — — — — — — — — — — — — — — — — 1983 5 5 10 50.0% — — — — 4 6 10 40.0% 4 9 13 30.8%
— — — — — — — — — — — — — — — — — 1984 0 2 2 0.0% — — — — 2 2 4 50.0% 0 1 1 0.0%
Career 73 50 123 59.3% 72 48 120 60.0% 60 41 101 59.4% 28 43 71 39.4% Career 47 48 95 49.5% 17 17 34 50.0% 62 57 119 52.1% 55 77 132 41.7%

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.

Janet Newberry Ann Kiyomura Hayashi
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 1542 104.3 — — — — +45 — — 55.6% +0.41 2–1 (67%) — — +0.69 1968 1488 90.8 — — — — — — — 0.0% -6.00 — — — -0.08
1969 1632 120.1 — — — — +106 — -86 67.4% +1.19 2–3 (40%) — — +1.11 1969 1473 94.6 — — — — — — — 0.0% -4.50 — — — +0.08
1970 1719 128.8 — — — — +177 -163 -147 70.0% +1.70 4–4 (50%) 0–1 — +3.95 1970 1460 98.9 — — — — — — — 0.0% -2.00 — 0–1 — +0.19
1971 1758 132.0 — — — — +111 — -30 56.9% +0.65 4–1 (80%) — — +0.89 1971 1457 104.8 — — — — — — — 33.3% -0.67 0–1 — — -0.19
1972 1707 131.6 — — — — +164 -98 -1 54.3% +0.39 5–4 (56%) 0–2 — -0.84 1972 1516 107.6 — — — — — — +85 47.6% +0.24 3–0 (100%) 0–1 — +1.17
1973 1852 140.9 — — — — -29 -44 -119 55.8% +0.08 11–8 (58%) 7–1 (88%) 106.5 -4.34 1973 1648 127.6 — — — — -75 -23 -24 50.0% -0.14 8–12 (40%) 4–4 (50%) 99.3 +4.10
1974 1813 140.5 — — — — -4 -63 -20 50.5% +0.13 4–5 (44%) 5–5 (50%) 99.4 -2.35 1974 1789 136.8 — — — — -106 -163 +40 59.5% +0.55 8–4 (67%) 2–1 (67%) 107.2 +0.84
1975 1904 152.8 — — — — -63 +15 -117 57.6% +0.47 6–6 (50%) 6–1 (86%) 104.5 -5.34 1975 1750 124.3 — — — — -7 — +32 38.6% -1.16 3–5 (38%) 2–1 (67%) 100.1 -0.93
1976 1863 123.9 — — — — -83 +57 -40 51.8% -0.23 7–1 (88%) 3–1 (75%) 107.1 -1.87 1976 1725 128.2 — — — — -54 -76 +49 41.1% -0.80 3–5 (38%) 1–1 — -0.98
1977 1873 145.8 — — — — -75 +58 -99 52.8% +0.28 6–6 (50%) 2–5 (29%) 95.9 -3.50 1977 1742 135.5 — — — — -69 — +42 37.0% -0.93 1–2 (33%) 0–1 — -1.46
1978 1830 138.9 — — — — -71 +31 +12 50.7% +0.12 5–4 (56%) 0–4 (0%) 95.8 -2.12 1978 1812 140.6 — — — — -59 -137 -23 56.8% +0.62 2–1 (67%) 1–2 (33%) 100.7 -0.52
1979 1681 129.3 — — — — +1 +126 +111 39.1% -0.90 2–3 (40%) 4–4 (50%) 97.3 +0.36 1979 1877 150.6 — — — — +16 — -130 53.6% +0.14 12–8 (60%) 5–4 (56%) 104.3 -0.27
1980 1646 112.9 — — — — -11 — +205 60.0% +0.76 4–3 (57%) 1–1 — +2.91 1980 1721 127.8 — — — — +27 — -41 46.7% -0.05 4–9 (31%) 2–4 (33%) 91.8 -0.82
— — — — — — — — — — — — — — — — 1981 1853 136.0 — — — — -25 -140 -63 53.7% +0.03 6–5 (55%) 3–2 (60%) 101.7 -0.52
— — — — — — — — — — — — — — — — 1982 1829 133.9 — — — — -40 — -1 43.0% -0.73 9–5 (64%) 6–1 (86%) 108.1 -4.07
— — — — — — — — — — — — — — — — 1983 1718 131.1 — — — — +25 — +28 42.0% -0.68 2–3 (40%) 6–3 (67%) 100.1 -1.68
— — — — — — — — — — — — — — — — 1984 1688 109.4 — — — — -21 — +87 26.7% -2.27 1–0 1–0 — -0.36
Career 1924 142.9 — — — — +13 +8 -28 54.9% +0.32 62–49 (56%) 28–25 (53%) 101.7 -2.49 Career 1927 140.4 — — — — -21 -77 +2 48.0% -0.26 62–60 (51%) 33–26 (56%) 104.8 -1.46

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.