# Best Grand Slam Win Percentage in a Single ATP Season (Modern Era)

Source: https://tennis-db.com/leaders/grand-slam-win-pct/single-season
Tour: ATP
Era: Modern Era (1990+)

## Leaderboard
| Rank | Player | Season | Wins | Win % | GS Wins | GS Win % | M1000 Wins | M1000 Win % |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | Carlos Alcaraz | 2026 | 22 | 84.6% | 7 | 100.0% | 9 | 75.0% |
| 2 | Novak Djokovic | 2023 | 54 | 90.0% | 27 | 96.4% | 14 | 87.5% |
| 3 | Novak Djokovic | 2021 | 46 | 90.2% | 27 | 96.4% | 10 | 83.3% |
| 4 | Novak Djokovic | 2015 | 82 | 93.2% | 27 | 96.4% | 40 | 95.2% |
| 5 | Roger Federer | 2007 | 67 | 88.2% | 27 | 96.4% | 26 | 78.8% |
| 6 | Roger Federer | 2006 | 90 | 94.7% | 27 | 96.4% | 34 | 91.9% |
| 7 | Novak Djokovic | 2011 | 72 | 92.3% | 26 | 96.3% | 33 | 94.3% |
| 8 | Rafael Nadal | 2010 | 71 | 87.7% | 25 | 96.2% | 29 | 85.3% |
| 9 | Roger Federer | 2004 | 70 | 93.3% | 23 | 95.8% | 20 | 87.0% |
| 10 | Roger Federer | 2017 | 53 | 91.4% | 18 | 94.7% | 21 | 95.5% |
| 11 | Rafael Nadal | 2013 | 75 | 91.5% | 14 | 93.3% | 36 | 92.3% |
| 12 | Jannik Sinner | 2025 | 58 | 90.6% | 26 | 92.9% | 16 | 84.2% |
| 13 | Roger Federer | 2009 | 59 | 83.1% | 26 | 92.9% | 24 | 80.0% |
| 14 | Rafael Nadal | 2019 | 54 | 85.7% | 25 | 92.6% | 23 | 85.2% |
| 15 | Carlos Alcaraz | 2025 | 70 | 89.7% | 24 | 92.3% | 21 | 87.5% |
| 16 | Rafael Nadal | 2008 | 73 | 86.9% | 24 | 92.3% | 32 | 84.2% |
| 17 | Roger Federer | 2005 | 80 | 95.2% | 24 | 92.3% | 27 | 96.4% |
| 18 | Andre Agassi | 1999 | 63 | 82.9% | 23 | 92.0% | 16 | 76.2% |
| 19 | Jannik Sinner | 2024 | 71 | 91.0% | 23 | 92.0% | 29 | 87.9% |
| 20 | Pete Sampras | 1993 | 82 | 84.5% | 23 | 92.0% | 17 | 73.9% |
| 21 | Rafael Nadal | 2017 | 67 | 84.8% | 23 | 92.0% | 28 | 80.0% |
| 22 | Novak Djokovic | 2022 | 42 | 87.5% | 11 | 91.7% | 12 | 80.0% |
| 23 | Novak Djokovic | 2019 | 55 | 83.3% | 22 | 91.7% | 24 | 80.0% |
| 24 | Novak Djokovic | 2016 | 64 | 88.9% | 22 | 91.7% | 31 | 88.6% |
| 25 | Rafael Nadal | 2022 | 40 | 81.6% | 22 | 91.7% | 8 | 61.5% |

Showing top 25 of 200 rows.

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Canonical URL: https://tennis-db.com/leaders/grand-slam-win-pct/single-season
Data source: TennisDB (tennis-db.com)