Three contenders for the men's singles title at the Australian Open, which starts on Sunday:ALEXANDER ZVEREV (GERMANY)Ranking: 6There was little optimism around Alexander Zverev at the start of last season, with the German miles off the pace when he arrived at the Australian Open after undergoing ankle surgery and suffering from a bone edema.This time around, though, the Olympic champion appears close to his best after working his way back to full fitness and making deep runs at the French and U.S.
Opens, while also picking up trophies in Chengdu and Hamburg.Zverev impressed with Germany at the United Cup, winning singles matches against Stefanos Tsitsipas, Hubert Hurkacz, Lorenzo Sonego, Adrian Mannarino and Alex de Minaur to power his side to victory at the team tournament.
STEFANOS TSITSIPAS (GREECE)Ranking: 7Tsitsipas began 2023 by reaching the Australian Open final but failed to build on that early-season promise, suffering a fourth-round defeat at Wimbledon and exiting the U.S.
Open in the second round after losing to a qualifier.With his only trophy of a disappointing year coming at Los Cabos, Tsitsipas has spoken about his need for a mental reset and the Australian Open is the perfect opportunity to do just that.The 25-year-old has reached the semi-finals in four of his last five appearances at Melbourne Park, and his all-court game and massive serve, coupled with vocal support from the city's Greek community, could help him take the next step and become the first Grand Slam champion from his country.HOLGER RUNE (DENMARK)Ranking: 8After a barnstorming end to 2022 in which he dispatched five top-10 players to win the Paris Masters, Rune reached the quarter-finals of Roland Garros and Wimbledon in 2023, while also