Both had contrasting results in today's quarter finals.
Roger Federer saved seven match points as he avoided a scare to reach the semi-finals at the Australia Open tennis.
Struggling with his back, the Swiss player looked set for a shock defeat to world number 100 Tennys Sandgren.
But he came back to win the match in five sets.
Novak Djokovic's progress was more straightforward.
The number 2 seed had a straight sets win over Milos Raonic.
Djokovic feels he executed his game-plan well: