Leaderboard data updated: 2026-09-15 10:35 UTC
WTA Grand Slam Win Percentage by Season — Year-by-Year Leaders Since 1990
Elena Rybakina leads for 2026 for grand slam win percentage: 89.5%. Qualification: at least 7 recorded main-draw singles results matching this metric in one season.
About this leaderboard
Grand Slam main-draw singles wins as a share of recorded results, including credited walkovers. Each row shows the leader for one season.
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 |
|---|---|---|---|---|---|---|---|---|
| Elena Rybakina | 2026 | 49 | 79.0% | 17 | 89.5% | 25 | 75.8% | Match Log |
| Aryna Sabalenka | 2025 | 64 | 84.2% | 24 | 88.9% | 27 | 81.8% | Match Log |
| Aryna Sabalenka | 2024 | 56 | 80.0% | 18 | 94.7% | 28 | 80.0% | Match Log |
| Aryna Sabalenka | 2023 | 56 | 80.0% | 23 | 88.5% | 23 | 76.7% | Match Log |
| Ashleigh Barty | 2022 | 11 | — | 7 | 100.0% | — | — | Match Log |
| Emma Raducanu | 2021 | 12 | — | 10 | 90.9% | — | — | Match Log |
| Naomi Osaka | 2020 | 16 | — | 9 | 90.0% | 4 | — | Match Log |
| Ashleigh Barty | 2019 | 52 | 81.3% | 17 | 85.0% | 22 | 75.9% | Match Log |
| Angelique Kerber | 2018 | 46 | 73.0% | 18 | 85.7% | 15 | 65.2% | Match Log |
| Serena Williams | 2017 | 8 | — | 7 | 100.0% | — | — | Match Log |
| Angelique Kerber | 2016 | 60 | 76.0% | 20 | 90.9% | 14 | 60.9% | Match Log |
| Serena Williams | 2015 | 50 | 89.3% | 26 | 96.3% | 23 | 85.2% | Match Log |
| Maria Sharapova | 2014 | 50 | 79.4% | 16 | 84.2% | 23 | 79.3% | Match Log |
| Serena Williams | 2013 | 77 | 93.9% | 21 | 91.3% | 36 | 94.7% | Match Log |
| Serena Williams | 2012 | 54 | 90.0% | 17 | 89.5% | 15 | 83.3% | Match Log |
| Kim Clijsters | 2011 | 21 | 75.0% | 8 | 88.9% | 5 | — | Match Log |
| Serena Williams | 2010 | 25 | 86.2% | 18 | 94.7% | 4 | — | Match Log |
| Kim Clijsters | 2009 | 13 | — | 7 | 100.0% | 5 | — | Match Log |
| Serena Williams | 2008 | 44 | 83.0% | 19 | 86.4% | 15 | 88.2% | Match Log |
| Justine Henin | 2007 | 63 | 94.0% | 19 | 95.0% | 17 | 89.5% | Match Log |
| Amélie Mauresmo | 2006 | 50 | 78.1% | 22 | 91.7% | 9 | 69.2% | Match Log |
| Kim Clijsters | 2005 | 66 | 88.0% | 13 | 86.7% | 23 | 92.0% | Match Log |
| Kim Clijsters | 2004 | 18 | 81.8% | 6 | 85.7% | 2 | — | Match Log |
| Serena Williams | 2003 | 36 | 92.3% | 19 | 95.0% | 13 | 86.7% | Match Log |
| Serena Williams | 2002 | 57 | 91.9% | 21 | 100.0% | 17 | 89.5% | Match Log |
| Jennifer Capriati | 2001 | 56 | 80.0% | 24 | 92.3% | 20 | 80.0% | Match Log |
| Venus Williams | 2000 | 41 | 91.1% | 18 | 94.7% | 1 | — | Match Log |
| Steffi Graf | 1999 | 34 | 79.1% | 17 | 89.5% | 12 | 75.0% | Match Log |
| Jana Novotna | 1998 | 50 | 78.1% | 16 | 88.9% | 10 | 66.7% | Match Log |
| Martina Hingis | 1997 | 72 | 93.5% | 27 | 96.4% | 16 | 94.1% | Match Log |
| Steffi Graf | 1996 | 51 | 92.7% | 21 | 100.0% | 18 | 94.7% | Match Log |
| Steffi Graf | 1995 | 48 | 96.0% | 21 | 100.0% | 10 | 90.9% | Match Log |
| Arantxa Sanchez-Vicario | 1994 | 69 | 88.5% | 23 | 92.0% | 10 | 76.9% | Match Log |
| Monica Seles | 1993 | 17 | — | 7 | 100.0% | — | — | Match Log |
| Monica Seles | 1992 | 70 | 93.3% | 27 | 96.4% | 11 | 78.6% | Match Log |
| Monica Seles | 1991 | 74 | 92.5% | 21 | 100.0% | 10 | 90.9% | Match Log |
| Martina Navratilova | 1990 | 52 | 88.1% | 10 | 90.9% | 14 | 93.3% | Match Log |