H2H data updated: 2026-10-28 00:00 UTC

Patricia Bostrom vs Iris Riedel Kuhn H2H: 0-1

Iris Riedel Kuhn holds a 1–0 lead over Patricia Bostrom in their WTA head-to-head. Across 1 main-draw meeting, Iris Riedel Kuhn leads 1–0 on grass. Most recently, Iris Riedel Kuhn won the 1978 Christchurch round of 32 6-1 6-2.

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Patricia Bostrom
USA Age 74
H2H
0 – 1
1 main-draw meetings
Iris Riedel Kuhn
FRG Age 72

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Iris Riedel Kuhn 6-1 6-2 Patricia Bostrom Match data Nov 23, 1978* R32 Christchurch WTA 250 Grass

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
Patricia Bostrom — — — 1,674 60 89 40.3% 0 0 0 0 1 1
Iris Riedel Kuhn — — — 1,841 106 98 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 Patricia Bostrom Iris Riedel Kuhn
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 1969 1–1 50.0% — 1,502 0 0 — — — — — — —
18 1970 1–4 20.0% — 1,483 0 0 1972 1–2 33.3% — 1,484 0 0
19 1971 0–4 0.0% — 1,451 0 0 1973 0–1 0.0% — 1,479 0 0
20 1972 7–7 50.0% — 1,499 0 1 1974 2–4 33.3% — 1,490 0 0
21 1973 16–23 41.0% — 1,587 0 1 1975 16–13 55.2% — 1,684 0 0
22 1974 12–10 54.5% — 1,654 0 1 1976 10–15 40.0% — 1,679 0 0
23 1975 5–6 45.5% — 1,625 0 1 1977 13–14 48.1% — 1,706 0 0
24 1976 4–7 36.4% — 1,624 0 1 1978 14–11 56.0% — 1,691 0 1
25 1977 8–9 47.1% — 1,619 0 1 1979 5–9 35.7% — 1,683 0 1
26 1978 6–17 26.1% — 1,530 0 1 1980 29–10 74.4% — 1,817 0 4
27 1979 0–1 0.0% — 1,517 0 1 1981 15–13 53.6% — 1,729 0 7
28 — — — — — — — 1982 1–6 14.3% — 1,626 0 7

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 Patricia Bostrom 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 %
18 1970 — — — — 1 2 3 33.3% 0 2 2 0.0% — — — — 1972 1 1 2 50.0% 0 1 1 0.0% — — — — — — — —
19 1971 0 1 1 0.0% 0 2 2 0.0% 0 1 1 0.0% — — — — 1973 — — — — 0 1 1 0.0% — — — — — — — —
20 1972 5 2 7 71.4% 0 3 3 0.0% 1 2 3 33.3% — — — — 1974 — — — — 2 4 6 33.3% — — — — — — — —
21 1973 4 6 10 40.0% 5 10 15 33.3% 7 7 14 50.0% — — — — 1975 — — — — 14 10 24 58.3% 1 1 2 50.0% 1 2 3 33.3%
22 1974 8 4 12 66.7% 0 1 1 0.0% 1 2 3 33.3% 3 3 6 50.0% 1976 0 1 1 0.0% 6 7 13 46.2% 0 1 1 0.0% 4 6 10 40.0%
23 1975 1 1 2 50.0% 0 1 1 0.0% — — — — 2 1 3 66.7% 1977 0 2 2 0.0% 13 9 22 59.1% 0 1 1 0.0% 0 2 2 0.0%
24 1976 2 1 3 66.7% 0 2 2 0.0% 1 3 4 25.0% 1 1 2 50.0% 1978 1 1 2 50.0% 5 5 10 50.0% 1 3 4 25.0% 2 2 4 50.0%
25 1977 2 1 3 66.7% 1 1 2 50.0% 2 5 7 28.6% 3 2 5 60.0% 1979 0 1 1 0.0% 3 5 8 37.5% 1 1 2 50.0% 0 1 1 0.0%
26 1978 3 5 8 37.5% 1 4 5 20.0% 2 5 7 28.6% 0 3 3 0.0% 1980 — — — — 25 7 32 78.1% — — — — 2 2 4 50.0%
27 1979 — — — — — — — — 0 1 1 0.0% — — — — 1981 — — — — 12 7 19 63.2% 0 1 1 0.0% 0 1 1 0.0%
28 — — — — — — — — — — — — — — — — — 1982 — — — — 1 6 7 14.3% — — — — — — — —
Career — 25 21 46 54.3% 8 26 34 23.5% 14 28 42 33.3% 9 10 19 47.4% — 2 6 8 25.0% 81 62 143 56.6% 3 8 11 27.3% 9 16 25 36.0%

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 Patricia Bostrom 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
17 1969 1503 100.5 — — — — — — — 40.0% -0.60 1–0 — — +0.10 — — — — — — — — — — — — — — — —
18 1970 1484 99.6 — — — — — +32 — 20.0% -2.60 — — — -0.16 1972 1485 97.6 — — — — — — — 33.3% -1.33 — 1–0 — +0.36
19 1971 1452 99.7 — — — — — — — 11.1% -3.00 0–1 — — -0.15 1973 1479 104.1 — — — — — — — 0.0% -3.50 — — — -0.13
20 1972 1500 99.4 — — — — +123 -57 -9 46.9% -0.56 3–1 (75%) 2–1 (67%) — +2.43 1974 1491 113.8 — — — — — +14 — 45.5% -0.64 0–1 — — +0.29
21 1973 1588 114.9 — — — — +7 -115 -22 39.3% -0.73 5–3 (63%) 0–3 (0%) 101.2 +0.80 1975 1685 137.0 — — — — -42 +13 — 53.7% +0.22 7–6 (54%) 5–3 (63%) 104.4 -0.63
22 1974 1655 122.8 — — — — +30 — -96 51.1% +0.15 3–0 (100%) — — +1.82 1976 1680 125.4 — — — — -69 +22 — 41.4% -0.64 4–4 (50%) 1–0 — -0.95
23 1975 1626 110.1 — — — — +103 — — 42.3% -0.15 3–1 (75%) 1–2 (33%) 101.9 +1.54 1977 1707 135.3 — — — — -155 +70 — 48.4% -0.23 4–4 (50%) 1–2 (33%) 99.3 -1.03
24 1976 1624 114.5 — — — — +86 — -44 28.6% -1.43 1–0 0–1 — -0.66 1978 1691 124.0 — — — — -96 -7 -169 58.6% +0.90 2–6 (25%) 1–2 (33%) 92.7 +2.72
25 1977 1619 116.5 — — — — +106 — -81 51.4% +0.20 1–2 (33%) 2–3 (40%) 98.5 +2.89 1979 1683 123.5 — — — — — +35 — 41.9% -1.35 2–3 (40%) 1–0 — -1.43
26 1978 1531 104.1 — — — — +117 -91 -27 27.7% -1.92 2–1 (67%) 1–1 — +1.34 1980 1817 139.2 — — — — -277 +141 — 72.0% +1.85 5–5 (50%) 1–3 (25%) 98.0 +2.39
27 1979 1518 95.7 — — — — — — — 0.0% -4.50 — — — +0.08 1981 1730 122.0 — — — — — +229 — 51.7% -0.26 4–2 (67%) 3–0 (100%) 103.5 -0.20
28 — — — — — — — — — — — — — — — — 1982 1627 97.1 — — — — — +128 — 29.4% -1.12 0–3 (0%) 0–2 — +0.28
Career — 1675 114.8 — — — — +71 -87 -41 39.3% -0.80 19–9 (68%) 6–11 (35%) 104.2 +6.82 — 1842 135.6 — — — — -114 +86 -169 52.7% +0.15 28–34 (45%) 14–12 (54%) 97.9 +0.83

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.