MELBOURNE, Australia — Six-time champion Novak Djokovic, 2017 winner Roger Federer and 2016 champion Angelique Kerber will look to book quarterfinal spots on Day 8 of the Australian Open at Melbourne Park.

Federer has an afternoon match Monday on Rod Laver Arena against former top-ranked junior Marton Fucsovics, while Djokovic plays a fourth-round night match against Hyeon Chung. Kerber takes on Hsieh Su-Wei.

Djokovic and Federer could meet in the semifinals.

Under mostly sunny skies, 2017 U.S. Open finalist Madison Keys opened play at Rod Laver Arena against eighth-seeded Caroline Garcia.

The forecast high temperature was about 26 Celsius (79 Fahrenheit).