Best percentage in a season on Clay
Best percentage in a season on Clay
| Rank | Player | Percentage | Wins | Total | Year |
|---|---|---|---|---|---|
| 1 |  Bjorn Borg | 96.55% | 28 | 29 | 1979 |
| 2 |  Jannik Sinner | 94.74% | 18 | 19 | 2026 |
| 3 |  Ivan Lendl | 94.44% | 17 | 18 | 1986 |
| 4 |  Novak Djokovic | 94.12% | 16 | 17 | 2015 |
| 5 | Jimmy Connors | 91.18% | 31 | 34 | 1976 |
| 6 |  Roger Federer | 88.89% | 16 | 18 | 2004 |
| 7 | John McEnroe | 88.89% | 16 | 18 | 1984 |
| 8 | Jimmy Connors | 88.89% | 8 | 9 | 1974 |
| 9 | Roger Federer | 88.24% | 15 | 17 | 2005 |
| 10 | Roger Federer | 84.21% | 16 | 19 | 2006 |