H2H data updated: 2026-09-12 00:00 UTC

Barbara Potter vs Yvonne Vermaak H2H: 2-2

Barbara Potter and Yvonne Vermaak are tied 2–2 in their WTA head-to-head. Across 4 main-draw meetings, Barbara Potter leads 2–0 on carpet, while Yvonne Vermaak leads 2–0 on grass. Most recently, Barbara Potter won the 1984 Brighton round of 32 6-2 6-0.

USA Age 64 Left-Handed 175 cm / 5'9"
H2H
2 2
4 main-draw meetings
RSA Age 69 Right-Handed 155 cm / 5'1"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Barbara Potter #17 6-2 6-0 Yvonne Vermaak #40 Match data Oct 26, 1984* R32 Brighton WTA 250 Carpet
Yvonne Vermaak 6-7 7-6 6-3 Barbara Potter Match data Nov 26, 1982* R16 Sydney International WTA 500 Grass
Barbara Potter 6-3 6-4 Yvonne Vermaak Match data Jul 25, 1980* R16 Richmond WTA 250 Carpet
Yvonne Vermaak 6-0 4-6 6-2 Barbara Potter Match data Jun 30, 1978* R64 Wimbledon Grand Slam 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
Barbara Potter #112 #8 63 2,096 299 190 61.1% 0 0 0 0 5 5
Yvonne Vermaak #558 #38 10 1,892 239 249 49.0% 0 0 0 0 5 5

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 Barbara Potter Yvonne Vermaak
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 1978 4–7 36.4% 1,533 0 0 1973 0–2 0.0% 1,495 0 0
17 1979 8–22 26.7% 1,620 0 0 1974 1–2 33.3% 1,489 0 0
18 1980 23–21 52.3% 1,864 0 0 1975 15–12 55.6% 1,599 0 0
19 1981 47–23 67.1% #10 1,941 0 0 1976 8–10 44.4% 1,606 0 1
20 1982 43–22 66.2% #8 1,997 0 2 1977 20–14 58.8% 1,765 0 2
21 1983 28–20 58.3% 1,850 0 2 1978 29–23 55.8% 1,791 0 2
22 1984 35–17 67.3% #12 1,952 0 2 1979 15–23 39.5% 1,779 0 2
23 1985 31–16 66.0% #15 1,899 0 3 1980 19–18 51.4% 1,741 0 2
24 1986 14–10 58.3% #26 1,881 0 3 1981 19–28 40.4% 1,719 0 2
25 1987 25–13 65.8% #12 1,895 0 4 1982 36–27 57.1% 1,820 0 2
26 1988 36–14 72.0% #10 1,918 0 5 1983 33–26 55.9% 1,754 0 4
27 1989 5–5 50.0% #106 1,844 0 5 1984 29–28 50.9% #41 1,800 0 5
28 1985 8–21 27.6% #41 1,604 0 5
29 1986 6–11 35.3% #104 1,565 0 5
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 Barbara Potter Yvonne Vermaak
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 %
16 1978 0 2 2 0.0% 2 2 4 50.0% 2 3 5 40.0% 1973 0 2 2 0.0%
17 1979 4 8 12 33.3% 0 3 3 0.0% 1 3 4 25.0% 3 8 11 27.3% 1974 1 2 3 33.3%
18 1980 6 5 11 54.5% 2 3 5 40.0% 15 13 28 53.6% 1975 4 3 7 57.1% 7 4 11 63.6% 3 4 7 42.9%
19 1981 8 3 11 72.7% 12 6 18 66.7% 27 14 41 65.9% 1976 1 1 2 50.0% 7 6 13 53.8% 0 2 2 0.0% 0 1 1 0.0%
20 1982 5 5 10 50.0% 1 1 2 50.0% 9 6 15 60.0% 28 10 38 73.7% 1977 3 2 5 60.0% 6 7 13 46.2% 8 2 10 80.0% 3 3 6 50.0%
21 1983 4 3 7 57.1% 2 2 4 50.0% 12 7 19 63.2% 10 8 18 55.6% 1978 13 7 20 65.0% 2 2 4 50.0% 8 4 12 66.7% 6 10 16 37.5%
22 1984 7 4 11 63.6% 11 4 15 73.3% 17 9 26 65.4% 1979 4 6 10 40.0% 4 4 8 50.0% 5 4 9 55.6% 2 9 11 18.2%
23 1985 12 4 16 75.0% 2 2 4 50.0% 8 3 11 72.7% 9 7 16 56.3% 1980 2 5 7 28.6% 9 5 14 64.3% 4 4 8 50.0% 4 4 8 50.0%
24 1986 7 3 10 70.0% 1 1 2 50.0% 6 6 12 50.0% 1981 7 9 16 43.8% 11 9 20 55.0% 0 1 1 0.0% 1 9 10 10.0%
25 1987 7 5 12 58.3% 1 1 2 50.0% 17 7 24 70.8% 1982 4 4 8 50.0% 13 7 20 65.0% 9 6 15 60.0% 10 10 20 50.0%
26 1988 25 9 34 73.5% 9 3 12 75.0% 2 2 4 50.0% 1983 14 4 18 77.8% 7 8 15 46.7% 8 5 13 61.5% 4 9 13 30.8%
27 1989 4 3 7 57.1% 1 2 3 33.3% 1984 12 7 19 63.2% 7 8 15 46.7% 8 6 14 57.1% 2 7 9 22.2%
28 1985 5 8 13 38.5% 1 4 5 20.0% 1 3 4 25.0% 1 6 7 14.3%
29 1986 1 2 3 33.3% 4 6 10 40.0% 1 3 4 25.0%
30 1987 1 1 2 50.0% 0 2 2 0.0%
31 1988 0 1 1 0.0%
Career 89 54 143 62.2% 5 8 13 38.5% 68 39 107 63.6% 137 89 226 60.6% 72 64 136 52.9% 78 72 150 52.0% 55 44 99 55.6% 33 68 101 32.7%

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 Barbara Potter Yvonne Vermaak
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
16 1978 1533 114.2 +62 +55 35.7% -1.14 4–2 (67%) 1–1 +1.22 1973 1496 101.8 20.0% -3.20 0–1 -0.39
17 1979 1620 143.0 +30 -114 -40 30.3% -0.89 4–6 (40%) 1–8 (11%) 95.5 -1.88 1974 1489 99.2 +44 42.9% -0.71 0–1 +0.69
18 1980 1864 154.9 +9 -289 54.5% +0.43 3–10 (23%) 5–4 (56%) 96.7 -0.89 1975 1599 120.1 +53 -2 -47 57.1% +0.46 3–6 (33%) 3–0 (100%) 100.2 +2.43
19 1981 1941 150.3 -3 -143 63.1% +0.79 12–7 (63%) 9–10 (47%) 101.8 -1.85 1976 1607 119.9 -10 +40 48.8% +0.09 2–5 (29%) 1–3 (25%) +0.96
20 1982 1997 162.5 +57 -125 63.3% +0.89 10–7 (59%) 12–14 (46%) 102.4 -2.63 1977 1765 138.0 -79 -79 -75 58.1% +0.41 3–3 (50%) 6–5 (55%) 102.4 +0.27
21 1983 1851 139.2 +53 -245 +13 58.6% +0.77 6–9 (40%) 8–8 (50%) 93.1 +1.42 1978 1791 135.3 +3 -132 -30 52.6% +0.33 8–6 (57%) 2–6 (25%) 99.2 +2.99
22 1984 1952 157.5 -8 -14 67.0% +1.24 3–7 (30%) 8–4 (67%) 94.3 -1.32 1979 1780 155.2 -44 -74 +25 40.5% -0.50 4–4 (50%) 1–2 (33%) 99.0 -4.03
23 1985 1900 142.4 -8 -289 +64 61.9% +0.74 8–7 (53%) 12–5 (71%) 102.4 +0.26 1980 1742 138.8 -89 +32 +50 52.5% +0.26 2–4 (33%) 4–3 (57%) 99.5 -4.96
24 1986 1881 145.2 +12 56.1% +0.37 4–5 (44%) 5–4 (56%) 100.5 -2.11 1981 1720 143.5 -64 +96 43.1% -0.39 4–6 (40%) 1–5 (17%) 96.9 -2.78
25 1987 1895 145.4 +28 64.3% +0.85 6–4 (60%) 7–2 (78%) 102.9 +1.54 1982 1820 142.9 -77 +69 -9 55.2% +0.06 11–10 (52%) 9–10 (47%) 99.8 -3.53
26 1988 1919 147.3 +6 +51 71.4% +1.21 4–8 (33%) 12–3 (80%) 100.4 +1.81 1983 1755 138.0 +7 +104 +97 55.4% +0.20 10–11 (48%) 7–3 (70%) 100.0 +1.14
27 1989 1845 116.8 -10 52.2% -0.09 1–2 (33%) 1–2 (33%) 96.3 +0.54 1984 1801 134.8 -65 -14 +95 53.1% +0.15 5–11 (31%) 7–8 (47%) 94.0 -0.64
28 1985 1605 125.4 +10 +114 +210 37.7% -0.97 1–10 (9%) 0–1 -0.99
29 1986 1565 105.1 +19 +86 +196 36.8% -0.87 2–2 (50%) 0–1 0.00
30 1987 1558 108.1 25.0% -2.38 -0.56
31 1988 1542 94.0 0.0% -4.00 +0.11
Career 2096 155.7 +17 -225 -44 59.9% +0.67 65–74 (47%) 81–65 (55%) 98.8 -0.80 1892 141.9 -33 +33 +34 50.0% -0.05 55–80 (41%) 41–47 (47%) 93.1 -1.91

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.