Most Grand Slam Quarterfinals in a Single Season
Most Grand Slam Quarterfinals in a Single Season
| Rank | Player | Reaches | Year |
|---|---|---|---|
| 1 |  Andre Agassi | 4 | 1995 |
| 2 | Andre Agassi | 4 | 2001 |
| 3 |  Roger Federer | 4 | 2005 |
| 4 | Roger Federer | 4 | 2006 |
| 5 | Roger Federer | 4 | 2007 |
| 6 | Roger Federer | 4 | 2008 |
| 7 |  Rafael Nadal | 4 | 2008 |
| 8 | Roger Federer | 4 | 2009 |
| 9 | Roger Federer | 4 | 2010 |
| 10 |  Novak Djokovic | 4 | 2010 |