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

Iris Riedel Kuhn vs Birgit Portscheller H2H: 0-1 (incl. walkovers)

Iris Riedel Kuhn vs Birgit Portscheller: 0–0 excluding walkovers; 0–1 including 1 walkover. Across 1 main-draw results including walkovers, Birgit Portscheller leads 1–0 on clay. Most recently, Birgit Portscheller won the 1975 Porsche Tennis Grand Prix round of 16 W/O.

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Iris Riedel Kuhn
FRG Age 72
H2H including walkovers
0 – 1
1 main-draw results
Birgit Portscheller
GER

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Birgit Portscheller (w/o) Iris Riedel Kuhn Match data Aug 29, 1975* R16 Porsche Tennis Grand Prix WTA 500 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
Iris Riedel Kuhn — — — 1,845 104 96 52.0% 0 0 0 0 7 7
Birgit Portscheller — — — 1,527 6 8 42.9% 0 0 0 0 0 0

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.

Iris Riedel Kuhn Birgit Portscheller
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1972 1–2 33.3% — 1,484 0 0 1973 0–1 0.0% — 1,495 0 0
1973 0–1 0.0% — 1,479 0 0 1974 0–2 0.0% — 1,471 0 0
1974 2–4 33.3% — 1,490 0 0 1975 3–1 75.0% — 1,504 0 0
1975 16–13 55.2% — 1,684 0 0 1976 3–2 60.0% — 1,516 0 0
1976 10–15 40.0% — 1,679 0 0 1977 0–2 0.0% — 1,490 0 0
1977 13–14 48.1% — 1,706 0 0 — — — — — — —
1978 13–10 56.5% — 1,694 0 1 — — — — — — —
1979 5–9 35.7% — 1,685 0 1 — — — — — — —
1980 28–9 75.7% — 1,820 0 4 — — — — — — —
1981 15–13 53.6% — 1,730 0 7 — — — — — — —
1982 1–6 14.3% — 1,627 0 7 — — — — — — —

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.

Iris Riedel Kuhn Birgit Portscheller
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 %
1972 1 1 2 50.0% 0 1 1 0.0% — — — — — — — — 1973 — — — — 0 1 1 0.0% — — — — — — — —
1973 — — — — 0 1 1 0.0% — — — — — — — — 1974 — — — — 0 2 2 0.0% — — — — — — — —
1974 — — — — 2 4 6 33.3% — — — — — — — — 1975 — — — — 3 1 4 75.0% — — — — — — — —
1975 — — — — 14 10 24 58.3% 1 1 2 50.0% 1 2 3 33.3% 1976 — — — — 2 1 3 66.7% — — — — 1 1 2 50.0%
1976 0 1 1 0.0% 6 7 13 46.2% 0 1 1 0.0% 4 6 10 40.0% 1977 — — — — 0 2 2 0.0% — — — — — — — —
1977 0 2 2 0.0% 13 9 22 59.1% 0 1 1 0.0% 0 2 2 0.0% — — — — — — — — — — — — — — — — —
1978 — — — — 5 5 10 50.0% 1 3 4 25.0% 2 2 4 50.0% — — — — — — — — — — — — — — — — —
1979 0 1 1 0.0% 3 5 8 37.5% 1 1 2 50.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — —
1980 — — — — 25 7 32 78.1% — — — — 1 1 2 50.0% — — — — — — — — — — — — — — — — —
1981 — — — — 12 7 19 63.2% 0 1 1 0.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — —
1982 — — — — 1 6 7 14.3% — — — — — — — — — — — — — — — — — — — — — — — — —
Career 1 5 6 16.7% 81 62 143 56.6% 3 8 11 27.3% 8 15 23 34.8% Career — — — — 5 7 12 41.7% — — — — 1 1 2 50.0%

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.

Iris Riedel Kuhn Birgit Portscheller
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
1972 1485 97.6 — — — — — — — 33.3% -1.33 — 1–0 — +0.37 1973 1495 100.6 — — — — — — — 0.0% -4.00 — — — -0.17
1973 1479 104.1 — — — — — — — 0.0% -3.50 — — — -0.12 1974 1472 99.1 — — — — — — — 33.3% -1.84 0–2 1–0 — +0.32
1974 1491 113.8 — — — — — +14 — 45.5% -0.64 0–1 — — +0.12 1975 1504 114.6 — — — — — +20 — 71.4% +1.86 0–1 0–1 — +0.15
1975 1685 137.0 — — — — -42 +13 — 53.7% +0.22 7–6 (54%) 5–3 (63%) 104.4 -0.17 1976 1516 98.0 — — — — — +44 — 50.0% -0.25 — 1–0 — +0.70
1976 1680 125.4 — — — — -69 +22 — 41.4% -0.64 4–4 (50%) 1–0 — -0.74 1977 1491 100.7 — — — — — — — 20.0% -1.80 0–1 0–1 — -0.11
1977 1706 135.3 — — — — -154 +71 — 48.4% -0.23 4–4 (50%) 1–2 (33%) 99.3 -1.31 — — — — — — — — — — — — — — — —
1978 1694 124.7 — — — — -99 -10 -173 58.5% +0.91 2–5 (29%) 1–1 — +2.71 — — — — — — — — — — — — — — — —
1979 1685 123.5 — — — — — +33 — 41.9% -1.35 2–3 (40%) 1–0 — -1.31 — — — — — — — — — — — — — — — —
1980 1820 140.6 — — — — — +136 — 72.7% +1.95 5–4 (56%) 1–3 (25%) 99.3 +1.28 — — — — — — — — — — — — — — — —
1981 1730 122.0 — — — — — +227 — 51.7% -0.26 4–2 (67%) 3–0 (100%) 103.5 -0.12 — — — — — — — — — — — — — — — —
1982 1627 97.1 — — — — — +128 — 29.4% -1.12 0–3 (0%) 0–2 — +0.33 — — — — — — — — — — — — — — — —
Career 1845 136.1 — — — — -86 +85 -173 52.5% +0.14 28–32 (47%) 14–11 (56%) 99.6 +0.53 Career 1527 105.2 — — — — — +30 — 42.9% -0.61 0–4 (0%) 2–2 (50%) 95.6 +7.42

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.