The Australian Open is upon us again. Andy Murray surrendered to Roberto Bautista Agut in the first round today during his farewell match. The tennis champ, who announced he’d be retiring this year due to a hip injury, received an outpouring of love from fans. But the show must go on. Here are five players you won’t want to miss in action.

Serena Williams

Williams is hoping to take home her eighth Australian Open title this year after winning her seventh in 2017 when she defeated her sister, Venus, while pregnant. The Nike athlete opens up this year’s tournament against German Tatjana Maria.

Roger Federer

Federer took out Dennis Istomen today. The tennis champ is looking to defend his reigning title this year. He now has 15 consecutive wins in Melbourne.

Novak Djokovic

Djokovic of Serbia holds 14 Grand Slam titles and is an Australian Open favorite.

Caroline Wozniacki

Last year, Wozniacki won the Australian Open and lost in the second round at Wimbledon and the U.S. Open. Yesterday, she defeated Alison Van Uytvanck.

Simona Halep

Halep won the French Open in June and is set to take on Kaia Kanepi tomorrow.

Want more?

Serena Williams and Roger Federer’s Selfie Goes Viral After Their First Face-Off

Serena Williams Sparkles in Glittery Nikes & Peach Dress to Play Sister Venus in Abu Dhabi

Roger Federer Gets a Personal Tour of the Met Museum From Anna Wintour