Roger Federer, Andy Murray and Jo-Wilfried Tsonga are all in action Saturday in the third round of the Australian Open.
Federer, the No. 2 seed, faces off against Bernard Tomic at 3 a.m. ET. If Federer wins, he'll have a fourth-round matchup with either No. 13 Milos Raonic of Canada or No. 17 Philipp Kohlschreiber of Germany.
Federer could find himself facing Tsonga in the fifth round if Tsonga, the No. 7 seed, can get past Blaz Kavcic today. If Tsonga wins, he'd play either Ivan Dodig or Richard Gasquet for the right to meet Federer.
Andy Murray is the No. 3 seed. He'll face off against Ricardas Berankis at 11 p.m. ET Friday.
Winners on the top side of the bracket from Friday include No. 1 Novak Djokovic, No. 5 Tomas Berdych, No. 4 David Ferrer and No. 8 Janko Tipsarevic.
In men's doubles action, the No. 4 and 5 seeds are in action Saturday. The No. 4 team of Max Mirnyi and Horia Tecau play Marcos Baghdatis and Grigor Dimitrov at 1 a.m. ET.
No. 5 Mahesh Bhupathi and Daniel Nestor play Victor Hanescu and Martin Klizan, also at 9 p.m. Friday ET.