Leaderboard data updated: 2026-09-15 10:35 UTC

Best Grand Slam Win Percentage in a Single WTA Season Since 1990

Ashleigh Barty (2022), Kim Clijsters (2009), and others share the lead in the single-season standings for grand slam win percentage: 100%. Qualification: at least 7 recorded main-draw singles results matching this metric in one season.

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About this leaderboard

Grand Slam main-draw singles wins as a share of recorded results, including credited walkovers. Each row is one player season; a player can appear more than once.

How to read this table
  • Match Log opens the results behind a player's record with the relevant filters applied.
  • Related columns compare wins and win percentage across all events, Grand Slams, and 1000-level events.

Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.

# Player Season Wins Win % GS Wins GS Win % WTA 1000 Wins including documented historical predecessor categories WTA 1000 Win % including documented historical predecessor categories Match Log
1 Ashleigh Barty 2022 11 — 7 100.0% — — Match Log
2 Kim Clijsters 2009 13 — 7 100.0% 5 — Match Log
3 Monica Seles 1993 17 — 7 100.0% — — Match Log
4 Monica Seles 1991 74 92.5% 21 100.0% 10 90.9% Match Log
5 Serena Williams 2017 8 — 7 100.0% — — Match Log
6 Serena Williams 2002 57 91.9% 21 100.0% 17 89.5% Match Log
7 Steffi Graf 1996 51 92.7% 21 100.0% 18 94.7% Match Log
8 Steffi Graf 1995 48 96.0% 21 100.0% 10 90.9% Match Log
9 Martina Hingis 1997 72 93.5% 27 96.4% 16 94.1% Match Log
10 Monica Seles 1992 70 93.3% 27 96.4% 11 78.6% Match Log
11 Steffi Graf 1993 77 93.9% 27 96.4% 27 90.0% Match Log
12 Serena Williams 2015 50 89.3% 26 96.3% 23 85.2% Match Log
13 Justine Henin 2007 63 94.0% 19 95.0% 17 89.5% Match Log
14 Serena Williams 2003 36 92.3% 19 95.0% 13 86.7% Match Log
15 Aryna Sabalenka 2024 56 80.0% 18 94.7% 28 80.0% Match Log
16 Serena Williams 2010 25 86.2% 18 94.7% 4 — Match Log
17 Venus Williams 2000 41 91.1% 18 94.7% 1 — Match Log
18 Jennifer Capriati 2001 56 80.0% 24 92.3% 20 80.0% Match Log
19 Justine Henin 2003 73 86.9% 24 92.3% 22 95.7% Match Log
20 Arantxa Sanchez-Vicario 1994 69 88.5% 23 92.0% 10 76.9% Match Log
21 Serena Williams 2009 50 79.4% 23 92.0% 14 66.7% Match Log
22 Amélie Mauresmo 2006 50 78.1% 22 91.7% 9 69.2% Match Log
23 Iga Swiatek 2022 65 87.8% 21 91.3% 24 92.3% Match Log
24 Serena Williams 2013 77 93.9% 21 91.3% 36 94.7% Match Log
25 Angelique Kerber 2016 60 76.0% 20 90.9% 14 60.9% Match Log
26 Emma Raducanu 2021 12 — 10 90.9% — — Match Log
27 Martina Navratilova 1990 52 88.1% 10 90.9% 14 93.3% Match Log
28 Venus Williams 2001 46 88.5% 19 90.5% 11 84.6% Match Log
29 Naomi Osaka 2020 16 — 9 90.0% 4 — Match Log
30 Elena Rybakina 2026 49 79.0% 17 89.5% 25 75.8% Match Log
31 Serena Williams 2012 54 90.0% 17 89.5% 15 83.3% Match Log
32 Steffi Graf 1999 34 79.1% 17 89.5% 12 75.0% Match Log
33 Steffi Graf 1992 66 90.4% 17 89.5% 14 93.3% Match Log
34 Justine Henin 2006 57 87.7% 25 89.3% 11 73.3% Match Log
35 Aryna Sabalenka 2025 64 84.2% 24 88.9% 27 81.8% Match Log
36 Jana Novotna 1998 50 78.1% 16 88.9% 10 66.7% Match Log
37 Kim Clijsters 2011 21 75.0% 8 88.9% 5 — Match Log
38 Serena Williams 2016 38 86.4% 24 88.9% 12 85.7% Match Log
39 Sofia Kenin 2020 23 74.2% 16 88.9% — — Match Log
40 Steffi Graf 1990 72 93.5% 24 88.9% 9 90.0% Match Log
41 Aryna Sabalenka 2023 56 80.0% 23 88.5% 23 76.7% Match Log
42 Martina Hingis 1998 60 83.3% 23 88.5% 22 84.6% Match Log
43 Iga Swiatek 2025 58 78.4% 21 87.5% 28 75.7% Match Log
44 Lindsay Davenport 1999 58 84.1% 21 87.5% 4 — Match Log
45 Lindsay Davenport 1998 68 82.9% 21 87.5% 18 81.8% Match Log
46 Maria Sharapova 2012 60 84.5% 21 87.5% 25 83.3% Match Log
47 Sloane Stephens 2017 15 65.2% 7 87.5% 8 66.7% Match Log
48 Steffi Graf 1991 64 88.9% 21 87.5% 13 86.7% Match Log
49 Venus Williams 2007 46 82.1% 14 87.5% 9 75.0% Match Log
50 Victoria Azarenka 2012 69 85.2% 21 87.5% 28 84.8% Match Log
51 Jennifer Capriati 2002 48 75.0% 20 87.0% 18 75.0% Match Log
52 Maria Sharapova 2006 59 85.5% 20 87.0% 23 88.5% Match Log
53 Kim Clijsters 2010 39 84.8% 13 86.7% 14 87.5% Match Log
54 Kim Clijsters 2005 66 88.0% 13 86.7% 23 92.0% Match Log
55 Monica Seles 1990 55 90.2% 13 86.7% 16 94.1% Match Log
56 Arantxa Sanchez-Vicario 1998 47 73.4% 19 86.4% 12 70.6% Match Log
57 Lindsay Davenport 2000 57 80.3% 19 86.4% 16 80.0% Match Log
58 Martina Hingis 1999 70 85.4% 19 86.4% 31 88.6% Match Log
59 Serena Williams 2008 44 83.0% 19 86.4% 15 88.2% Match Log
60 Serena Williams 2007 34 77.3% 19 86.4% 11 73.3% Match Log
61 Victoria Azarenka 2013 43 78.2% 19 86.4% 18 78.3% Match Log
62 Angelique Kerber 2018 46 73.0% 18 85.7% 15 65.2% Match Log
63 Conchita Martínez 1994 51 78.5% 18 85.7% 10 90.9% Match Log
64 Iga Swiatek 2020 13 — 12 85.7% 1 — Match Log
65 Kim Clijsters 2004 18 81.8% 6 85.7% 2 — Match Log
66 Monica Seles 1996 46 83.6% 18 85.7% 6 — Match Log
67 Monica Seles 1995 11 — 6 85.7% 5 — Match Log
68 Serena Williams 2005 21 70.0% 12 85.7% 4 — Match Log
69 Steffi Graf 1994 58 90.6% 18 85.7% 20 95.2% Match Log
70 Ashleigh Barty 2019 52 81.3% 17 85.0% 22 75.9% Match Log
71 Gabriela Sabatini 1990 49 77.8% 17 85.0% 10 71.4% Match Log
72 Garbiñe Muguruza 2017 46 69.7% 17 85.0% 17 68.0% Match Log
73 Iga Swiatek 2023 67 85.9% 17 85.0% 28 82.4% Match Log
74 Venus Williams 2008 40 78.4% 17 85.0% 6 60.0% Match Log
75 Justine Henin 2004 36 90.0% 11 84.6% 6 — Match Log
76 Kim Clijsters 2003 86 87.8% 22 84.6% 22 84.6% Match Log
77 Maria Sharapova 2008 31 83.8% 11 84.6% 15 78.9% Match Log
78 Marion Bartoli 2013 23 60.5% 11 84.6% 6 50.0% Match Log
79 Serena Williams 1999 38 84.4% 11 84.6% 15 83.3% Match Log
80 Venus Williams 2002 63 87.5% 22 84.6% 4 — Match Log
81 Ana Ivanovic 2008 38 70.4% 16 84.2% 12 63.2% Match Log
82 Maria Sharapova 2014 50 79.4% 16 84.2% 23 79.3% Match Log
83 Svetlana Kuznetsova 2009 41 71.9% 16 84.2% 15 65.2% Match Log
84 Venus Williams 2005 34 77.3% 16 84.2% 5 — Match Log
85 Arantxa Sanchez-Vicario 1995 47 78.3% 21 84.0% 13 76.5% Match Log
86 Barbora Krejcikova 2021 44 73.3% 15 83.3% 13 68.4% Match Log
87 Conchita Martínez 1995 57 85.1% 20 83.3% 12 85.7% Match Log
88 Helena Sukova 1993 24 61.5% 10 83.3% 2 — Match Log
89 Iga Swiatek 2024 55 85.9% 15 83.3% 31 91.2% Match Log
90 Jelena Ostapenko 2017 43 68.3% 15 83.3% 8 50.0% Match Log
91 Justine Henin 2005 34 87.2% 10 83.3% 19 90.5% Match Log
92 Kim Clijsters 2006 41 77.4% 15 83.3% 5 — Match Log
93 Lindsay Davenport 2005 58 84.1% 20 83.3% 14 82.4% Match Log
94 Maria Sharapova 2004 55 77.5% 15 83.3% 15 65.2% Match Log
95 Martina Hingis 2000 78 88.6% 20 83.3% 31 93.9% Match Log
96 Martina Navratilova 1991 53 85.5% 10 83.3% 4 — Match Log
97 Mary Joe Fernandez 1990 40 80.0% 15 83.3% 1 — Match Log
98 Mirra Andreeva 2026 44 75.9% 15 83.3% 16 66.7% Match Log
99 Naomi Osaka 2021 20 71.4% 10 83.3% 5 — Match Log
100 Serena Williams 2018 18 72.0% 15 83.3% 3 — Match Log
101 Simona Halep 2019 39 69.6% 15 83.3% 18 66.7% Match Log
102 Simona Halep 2018 45 79.0% 15 83.3% 24 75.0% Match Log
103 Venus Williams 2017 38 71.7% 20 83.3% 13 72.2% Match Log
104 Venus Williams 2003 24 82.8% 15 83.3% 2 — Match Log
105 Arantxa Sanchez-Vicario 1996 57 77.0% 19 82.6% 15 75.0% Match Log
106 Arantxa Sanchez-Vicario 1991 56 78.9% 19 82.6% 7 — Match Log
107 Aryna Sabalenka 2026 46 83.6% 19 82.6% 20 83.3% Match Log
108 Dinara Safina 2009 55 77.5% 19 82.6% 19 73.1% Match Log
109 Eugenie Bouchard 2014 39 62.9% 19 82.6% 6 40.0% Match Log
110 Gabriela Sabatini 1992 65 84.4% 19 82.6% 17 89.5% Match Log
111 Gabriela Sabatini 1991 62 84.9% 19 82.6% 24 88.9% Match Log
112 Jelena Jankovic 2008 66 77.7% 19 82.6% 27 79.4% Match Log
113 Maria Sharapova 2005 53 80.3% 19 82.6% 19 79.2% Match Log
114 Anastasia Myskina 2004 49 73.1% 14 82.4% 17 77.3% Match Log
115 Ashleigh Barty 2021 43 84.3% 14 82.4% 18 90.0% Match Log
116 Coco Gauff 2025 43 72.9% 14 82.4% 27 75.0% Match Log
117 Coco Gauff 2023 51 76.1% 14 82.4% 20 74.1% Match Log
118 Francesca Schiavone 2010 38 64.4% 14 82.4% 13 59.1% Match Log
119 Jennifer Capriati 2004 29 70.7% 14 82.4% 11 68.8% Match Log
120 Lindsay Davenport 2001 64 86.5% 14 82.4% 14 87.5% Match Log
121 Maria Sharapova 2015 35 77.8% 14 82.4% 11 73.3% Match Log
122 Marketa Vondrousova 2023 36 67.9% 14 82.4% 15 65.2% Match Log
123 Mary Pierce 2000 29 72.5% 14 82.4% 10 71.4% Match Log
124 Monica Seles 1998 42 76.4% 14 82.4% 13 76.5% Match Log
125 Na Li 2011 33 66.0% 14 82.4% 9 52.9% Match Log
126 Naomi Osaka 2018 40 66.7% 14 82.4% 14 66.7% Match Log
127 Petra Kvitova 2011 50 82.0% 14 82.4% 12 63.2% Match Log
128 Serena Williams 2004 39 78.0% 14 82.4% 12 80.0% Match Log
129 Arantxa Sanchez-Vicario 1993 72 83.7% 18 81.8% 16 84.2% Match Log
130 Bianca Andreescu 2019 35 81.4% 9 81.8% 19 90.5% Match Log
131 Jasmine Paolini 2024 40 67.8% 18 81.8% 15 65.2% Match Log
132 Martina Hingis 2002 34 77.3% 9 81.8% 14 77.8% Match Log
133 Na Li 2014 29 80.6% 9 81.8% 15 75.0% Match Log
134 Serena Williams 2019 25 75.8% 18 81.8% 7 63.6% Match Log
135 Serena Williams 2011 22 84.6% 9 81.8% 7 — Match Log
136 Serena Williams 2001 40 85.1% 18 81.8% 14 93.3% Match Log
137 Jana Novotna 1996 52 80.0% 13 81.3% 8 80.0% Match Log
138 Jennifer Capriati 1991 39 78.0% 13 81.3% 17 77.3% Match Log
139 Linda Noskova 2026 34 70.8% 13 81.3% 13 61.9% Match Log
140 Madison Keys 2025 37 71.2% 13 81.3% 14 70.0% Match Log
141 Mary Pierce 1995 35 71.4% 13 81.3% 11 64.7% Match Log
142 Mary Pierce 1994 43 72.9% 13 81.3% 14 70.0% Match Log
143 Serena Williams 2014 52 83.9% 13 81.3% 25 86.2% Match Log
144 Amélie Mauresmo 2004 61 83.6% 17 81.0% 15 93.8% Match Log
145 Amélie Mauresmo 2002 45 75.0% 17 81.0% 11 73.3% Match Log
146 Arantxa Sanchez-Vicario 1992 63 79.8% 17 81.0% 18 90.0% Match Log
147 Conchita Martínez 1996 47 73.4% 17 81.0% 13 76.5% Match Log
148 Elena Dementieva 2008 56 76.7% 17 81.0% 13 68.4% Match Log
149 Gabriela Sabatini 1993 51 73.9% 17 81.0% 18 75.0% Match Log
150 Justine Henin 2001 56 75.7% 17 81.0% 8 61.5% Match Log
151 Kim Clijsters 2001 54 74.0% 17 81.0% 7 63.6% Match Log
152 Lindsay Davenport 2004 64 86.5% 17 81.0% 18 85.7% Match Log
153 Monica Seles 2002 46 78.0% 17 81.0% 12 75.0% Match Log
154 Petra Kvitova 2012 41 71.9% 17 81.0% 13 65.0% Match Log
155 Sara Errani 2012 53 72.6% 17 81.0% 6 42.9% Match Log
156 Simona Halep 2014 46 71.9% 17 81.0% 20 76.9% Match Log
157 Svetlana Kuznetsova 2007 51 71.8% 17 81.0% 20 74.1% Match Log
158 Venus Williams 1998 51 79.7% 17 81.0% 19 82.6% Match Log
159 Agnieszka Radwanska 2013 56 73.7% 16 80.0% 21 70.0% Match Log
160 Amanda Anisimova 2025 45 73.8% 16 80.0% 16 69.6% Match Log
161 Amélie Mauresmo 2003 45 72.6% 8 80.0% 17 70.8% Match Log
162 Ana Ivanovic 2007 49 74.2% 16 80.0% 13 68.4% Match Log
163 Barbora Krejcikova 2024 21 56.8% 12 80.0% — — Match Log
164 Caroline Wozniacki 2018 41 70.7% 12 80.0% 16 66.7% Match Log
165 Coco Gauff 2026 43 76.8% 16 80.0% 26 78.8% Match Log
166 Coco Gauff 2024 54 76.1% 16 80.0% 24 72.7% Match Log
167 Conchita Martínez 1991 36 75.0% 8 80.0% 3 — Match Log
168 Elina Svitolina 2019 40 64.5% 16 80.0% 15 62.5% Match Log
169 Iva Majoli 1997 43 67.2% 12 80.0% 11 57.9% Match Log
170 Jana Novotna 1997 52 77.6% 12 80.0% 14 77.8% Match Log
171 Jennifer Brady 2021 15 57.7% 8 80.0% 4 — Match Log
172 Justine Henin 2010 32 82.1% 12 80.0% 6 — Match Log
173 Lindsay Davenport 2006 21 72.4% 8 80.0% 2 — Match Log
174 Madison Keys 2018 28 63.6% 16 80.0% 8 50.0% Match Log
175 Maria Sharapova 2013 37 82.2% 12 80.0% 21 80.8% Match Log
176 Maria Sharapova 2011 43 76.8% 16 80.0% 24 82.8% Match Log
177 Maria Sharapova 2007 40 76.9% 16 80.0% 11 73.3% Match Log
178 Martina Hingis 2001 60 80.0% 16 80.0% 22 75.9% Match Log
179 Martina Navratilova 1993 46 85.2% 8 80.0% 11 84.6% Match Log
180 Mary Joe Fernandez 1993 34 72.3% 12 80.0% 11 68.8% Match Log
181 Mary Joe Fernandez 1991 47 72.3% 16 80.0% 10 71.4% Match Log
182 Mary Pierce 2005 41 77.4% 16 80.0% 17 81.0% Match Log
183 Monica Seles 2000 56 81.2% 12 80.0% 15 83.3% Match Log
184 Monica Seles 1999 36 75.0% 16 80.0% 10 66.7% Match Log
185 Nadia Petrova 2005 56 69.1% 16 80.0% 12 60.0% Match Log
186 Na Li 2013 46 76.7% 16 80.0% 13 68.4% Match Log
187 Naomi Osaka 2019 40 75.5% 12 80.0% 18 72.0% Match Log
188 Ons Jabeur 2022 47 73.4% 12 80.0% 16 72.7% Match Log
189 Petra Kvitova 2020 20 74.1% 12 80.0% 4 — Match Log
190 Serena Williams 2000 37 82.2% 12 80.0% 9 75.0% Match Log
191 Simona Halep 2020 23 88.5% 8 80.0% 5 — Match Log
192 Svetlana Kuznetsova 2004 57 74.0% 12 80.0% 13 68.4% Match Log
193 Venus Williams 2010 38 84.4% 16 80.0% 17 85.0% Match Log
194 Venus Williams 1999 57 82.6% 16 80.0% 15 100.0% Match Log
195 Vera Zvonareva 2010 49 73.1% 16 80.0% 20 69.0% Match Log
196 Agnieszka Radwanska 2012 59 74.7% 15 78.9% 26 76.5% Match Log
197 Amélie Mauresmo 2005 53 76.8% 15 78.9% 15 71.4% Match Log
198 Anna Chakvetadze 2007 56 74.7% 15 78.9% 11 61.1% Match Log
199 Arantxa Sanchez-Vicario 2000 41 68.3% 15 78.9% 10 62.5% Match Log
200 Arantxa Sanchez-Vicario 1997 45 67.2% 15 78.9% 11 57.9% Match Log