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

Yvonne Vermaak vs Kathy Rinaldi Stunkel H2H: 0-1

Kathy Rinaldi Stunkel holds a 1–0 lead over Yvonne Vermaak in their WTA head-to-head. Across 1 main-draw meeting, Kathy Rinaldi Stunkel leads 1–0 on carpet. Most recently, Kathy Rinaldi Stunkel won the 1984 Boston round of 32 7-6 6-0.

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Yvonne Vermaak
RSA Age 69 Right-Handed 155 cm / 5'1"
H2H
0 – 1
1 main-draw meetings
Kathy Rinaldi Stunkel
USA Age 59 Right-Handed 168 cm / 5'6"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Kathy Rinaldi Stunkel 7-6 6-0 Yvonne Vermaak #52 Match data Mar 29, 1984* R32 Boston 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
Yvonne Vermaak #558 #38 10 1,892 239 249 49.0% 0 0 0 0 5 5
Kathy Rinaldi Stunkel — #9 — 2,082 277 213 56.5% 0 0 0 0 4 4

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 Yvonne Vermaak Kathy Rinaldi Stunkel
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
13 — — — — — — — 1980 4–5 44.4% — 1,505 0 0
14 — — — — — — — 1981 27–14 65.9% — 1,802 0 2
15 — — — — — — — 1982 30–19 61.2% — 1,872 0 2
16 1973 0–2 0.0% — 1,495 0 0 1983 29–17 63.0% — 1,844 0 2
17 1974 1–2 33.3% — 1,489 0 0 1984 27–19 58.7% — 1,851 0 2
18 1975 15–12 55.6% — 1,599 0 0 1985 41–16 71.9% — 1,975 0 3
19 1976 8–10 44.4% — 1,606 0 1 1986 34–16 68.0% #9 1,974 0 4
20 1977 20–14 58.8% — 1,765 0 2 1987 15–8 65.2% — 1,901 0 4
21 1978 29–23 55.8% — 1,791 0 2 1988 5–8 38.5% — 1,811 0 4
22 1979 15–23 39.5% — 1,779 0 2 1989 16–15 51.6% — 1,788 0 4
23 1980 19–18 51.4% — 1,741 0 2 1990 15–18 45.5% — 1,697 0 4
24 1981 19–28 40.4% — 1,719 0 2 1991 7–15 31.8% — 1,589 0 4
25 1982 36–27 57.1% — 1,820 0 2 1992 10–15 40.0% — 1,586 0 4
26 1983 33–26 55.9% — 1,754 0 4 1993 12–13 48.0% — 1,628 0 4
27 1984 29–28 50.9% #41 1,800 0 5 1994 1–5 16.7% — 1,585 0 4
28 1985 8–21 27.6% #41 1,604 0 5 1995 1–2 33.3% — 1,609 0 4
29 1986 6–11 35.3% #104 1,565 0 5 1996 3–8 27.3% — 1,554 0 4
30 1987 1–3 25.0% #201 1,558 0 5 — — — — — — —
31 1988 0–1 0.0% #287 1,541 0 5 — — — — — — —

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 Yvonne Vermaak Kathy Rinaldi Stunkel
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 %
13 — — — — — — — — — — — — — — — — — 1980 0 2 2 0.0% — — — — — — — — — — — —
14 — — — — — — — — — — — — — — — — — 1981 14 6 20 70.0% 8 5 13 61.5% 2 2 4 50.0% 3 1 4 75.0%
15 — — — — — — — — — — — — — — — — — 1982 7 3 10 70.0% 14 6 20 70.0% 3 2 5 60.0% 6 8 14 42.9%
16 1973 0 2 2 0.0% — — — — — — — — — — — — 1983 8 5 13 61.5% 18 7 25 72.0% 3 3 6 50.0% 0 2 2 0.0%
17 1974 1 2 3 33.3% — — — — — — — — — — — — 1984 6 3 9 66.7% 11 7 18 61.1% 4 4 8 50.0% 6 5 11 54.5%
18 1975 4 3 7 57.1% 7 4 11 63.6% 3 4 7 42.9% — — — — 1985 15 5 20 75.0% 9 4 13 69.2% 8 2 10 80.0% 9 5 14 64.3%
19 1976 1 1 2 50.0% 7 6 13 53.8% 0 2 2 0.0% 0 1 1 0.0% 1986 7 4 11 63.6% 12 4 16 75.0% 0 2 2 0.0% 15 6 21 71.4%
20 1977 3 2 5 60.0% 6 7 13 46.2% 8 2 10 80.0% 3 3 6 50.0% 1987 5 2 7 71.4% 8 4 12 66.7% — — — — 2 2 4 50.0%
21 1978 13 7 20 65.0% 2 2 4 50.0% 8 4 12 66.7% 6 10 16 37.5% 1988 4 5 9 44.4% 0 2 2 0.0% — — — — 1 1 2 50.0%
22 1979 4 6 10 40.0% 4 4 8 50.0% 5 4 9 55.6% 2 9 11 18.2% 1989 8 7 15 53.3% 5 3 8 62.5% 2 2 4 50.0% 1 3 4 25.0%
23 1980 2 5 7 28.6% 9 5 14 64.3% 4 4 8 50.0% 4 4 8 50.0% 1990 11 10 21 52.4% 2 4 6 33.3% 0 1 1 0.0% 2 3 5 40.0%
24 1981 7 9 16 43.8% 11 9 20 55.0% 0 1 1 0.0% 1 9 10 10.0% 1991 3 9 12 25.0% 1 2 3 33.3% 0 1 1 0.0% 3 3 6 50.0%
25 1982 4 4 8 50.0% 13 7 20 65.0% 9 6 15 60.0% 10 10 20 50.0% 1992 5 8 13 38.5% 3 3 6 50.0% 2 2 4 50.0% 0 2 2 0.0%
26 1983 14 4 18 77.8% 7 8 15 46.7% 8 5 13 61.5% 4 9 13 30.8% 1993 5 7 12 41.7% 5 4 9 55.6% 1 1 2 50.0% 1 1 2 50.0%
27 1984 12 7 19 63.2% 7 8 15 46.7% 8 6 14 57.1% 2 7 9 22.2% 1994 0 3 3 0.0% 1 1 2 50.0% — — — — 0 1 1 0.0%
28 1985 5 8 13 38.5% 1 4 5 20.0% 1 3 4 25.0% 1 6 7 14.3% 1995 1 2 3 33.3% — — — — — — — — — — — —
29 1986 1 2 3 33.3% 4 6 10 40.0% 1 3 4 25.0% — — — — 1996 0 3 3 0.0% 1 3 4 25.0% 2 2 4 50.0% — — — —
30 1987 1 1 2 50.0% 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
31 1988 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 72 64 136 52.9% 78 72 150 52.0% 55 44 99 55.6% 33 68 101 32.7% — 99 84 183 54.1% 98 59 157 62.4% 27 24 51 52.9% 49 43 92 53.3%

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 Yvonne Vermaak Kathy Rinaldi Stunkel
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
13 — — — — — — — — — — — — — — — — 1980 1505 105.8 — — — — — — — 42.1% -0.42 1–0 1–1 — -0.05
14 — — — — — — — — — — — — — — — — 1981 1803 134.8 — — — — -10 -130 -221 61.5% +1.17 9–5 (64%) 3–3 (50%) 105.4 +2.37
15 — — — — — — — — — — — — — — — — 1982 1872 149.0 — — — — -69 -6 -215 60.4% +0.54 6–4 (60%) 7–2 (78%) 107.8 -4.11
16 1973 1496 101.8 — — — — — — — 20.0% -3.20 0–1 — — -0.39 1983 1845 139.2 — — — — -45 +103 -185 58.6% +0.96 12–7 (63%) 1–7 (13%) 99.3 +3.06
17 1974 1489 99.2 — — — — +44 — — 42.9% -0.71 0–1 — — +0.69 1984 1851 137.1 — — — — -38 +58 -143 55.9% +0.22 9–5 (64%) 3–1 (75%) 103.9 +0.60
18 1975 1599 120.1 — — — — +53 -2 -47 57.1% +0.46 3–6 (33%) 3–0 (100%) 100.2 +2.43 1985 1976 158.8 — — — — -30 -57 -101 70.6% +1.53 9–2 (82%) 3–5 (38%) 105.7 -2.76
19 1976 1607 119.9 — — — — -10 +40 — 48.8% +0.09 2–5 (29%) 1–3 (25%) — +0.96 1986 1975 157.9 — — — — -2 +51 — 63.6% +1.08 8–6 (57%) 7–6 (54%) 101.3 -3.03
20 1977 1765 138.0 — — — — -79 -79 -75 58.1% +0.41 3–3 (50%) 6–5 (55%) 102.4 +0.27 1987 1902 131.1 — — — — +35 +51 — 61.4% +0.60 7–4 (64%) 4–1 (80%) 100.0 -0.03
21 1978 1791 135.3 — — — — +3 -132 -30 52.6% +0.33 8–6 (57%) 2–6 (25%) 99.2 +2.99 1988 1812 123.2 — — — — +51 — — 44.4% -0.67 1–2 (33%) 1–0 — -1.23
22 1979 1780 155.2 — — — — -44 -74 +25 40.5% -0.50 4–4 (50%) 1–2 (33%) 99.0 -4.03 1989 1788 141.2 — — — — +17 +110 -20 50.0% -0.29 7–3 (70%) 3–1 (75%) 103.8 -4.08
23 1980 1742 138.8 — — — — -89 +32 +50 52.5% +0.26 2–4 (33%) 4–3 (57%) 99.5 -4.96 1990 1698 132.2 — — — — +65 +102 — 44.7% -0.36 8–4 (67%) 2–2 (50%) 101.6 +0.06
24 1981 1720 143.5 — — — — -64 +96 — 43.1% -0.39 4–6 (40%) 1–5 (17%) 96.9 -2.78 1991 1590 119.7 — — — — +56 +172 — 36.7% -0.67 3–4 (43%) 0–5 (0%) 93.8 +0.93
25 1982 1820 142.9 — — — — -77 +69 -9 55.2% +0.06 11–10 (52%) 9–10 (47%) 99.8 -3.53 1992 1586 115.2 — — — — -5 +158 +152 45.2% -0.50 4–8 (33%) 2–3 (40%) 92.9 +1.34
26 1983 1755 138.0 — — — — +7 +104 +97 55.4% +0.20 10–11 (48%) 7–3 (70%) 100.0 +1.14 1993 1629 119.3 — — — — -57 +111 — 45.9% -0.25 7–4 (64%) 1–4 (20%) 101.8 +0.90
27 1984 1801 134.8 — — — — -65 -14 +95 53.1% +0.15 5–11 (31%) 7–8 (47%) 94.0 -0.64 1994 1586 107.2 — — — — -57 — — 21.4% -2.00 1–1 — — -0.20
28 1985 1605 125.4 — — — — +10 +114 +210 37.7% -0.97 1–10 (9%) 0–1 — -0.99 1995 1609 114.1 — — — — — — — 40.0% -1.60 1–0 1–0 — -0.56
29 1986 1565 105.1 — — — — +19 +86 +196 36.8% -0.87 2–2 (50%) 0–1 — 0.00 1996 1555 105.6 — — — — -34 +118 +211 35.7% -0.93 2–4 (33%) 2–3 (40%) 94.7 +0.42
30 1987 1558 108.1 — — — — — — — 25.0% -2.38 — — — -0.56 — — — — — — — — — — — — — — — —
31 1988 1542 94.0 — — — — — — — 0.0% -4.00 — — — +0.11 — — — — — — — — — — — — — — — —
Career — 1892 141.9 — — — — -33 +33 +34 50.0% -0.05 55–80 (41%) 41–47 (47%) 93.1 -1.91 — 2083 145.9 — — — — -6 +45 -86 55.0% +0.38 95–63 (60%) 41–44 (48%) 102.1 -1.30

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.