Find out everything you need to know ahead of tonight's semifinal between Novak Djokovic and Roger Federer.
| Roger Federer | Novak Djokovic | |
| Age | 34 | 28 |
| Height | 185cm | 188cm |
| Weight | 85kg | 78kg |
| Turned pro | 1998 | 2003 |
| Current ranking | 3 | 1 |
| Career high ranking | 1 | 1 |
| Head to head | 22 | 22 |
| Head to head (Grand Slams) | 6 | 8 |
| Head to head (Aus Open) | 1 | 1 |
| Career win-loss | 1062-239 | 691-146 |
| Career titles | 88 | 60 |
| Grand Slam titles | 17 | 10 |
| Australian Open titles | 4 | 5 |
| Career prize money | US$97,341,456 | US$94,251,218 |