Rafael Nadal is in the semifinals of the Australian Open. Against the American Frances Tiafoe the Spaniard had little trouble and won 6: 3, 6: 4, 6: 2. Like every match in Melbourne this year, Nadal did not bet.

In the next round, the world ranking second on the Greek Stefanos Tsitsipas. The 20-year-old had defeated his idol Roger Federer in the first round of the Australian Open and also won his quarter-final against Roberto Bautista Agut 7: 5, 4: 6, 6: 4, 7: 6 (7: 2).

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Rafael Nadal

"Like a fairy tale" is this tournament for Tsitsipas. "I live my dream, but everything is true and is happening right now," he said of his surprising results and also does not have a chance against Nadal: "It will be interesting, I feel that I can do something against him." Most recently, Tsitsipas competed against Nadal in Toronto's ATP Masters final in August and lost.

"He plays incredibly today, in the future he can become one of the best for a long time," said his upcoming opponent Nadal on Tsitsipas. The two meet on Thursday (9.30 clock, live ticker SPIEGEL ONLINE) on each other. If you play in the second semifinals, you will find in the other quarter-finals between Milos Raonic and Lucas Pouille, as well as between Novak Djokovic and Kei Nishikori.

Sensation also in women

While the Tsitsipas triumph is the big story of the Australian Open among men, women's Danielle Collins has caused quite a stir on several occasions. First, she threw Wimbledon winner Angelique Kerber clearly out of the tournament, now pulled the former college player by a 2-6, 7: 5, 6: 1 against Anastassija Pavlyuchenkova from Russia in the semi-finals, where Petra Kvitova waits.

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Danielle Collins

The Czech had made sure in the quarter-finals that despite many surprises in the tournament the audience in Melbourne will be denied the triumph of an Australian professional. Kvitova defeated Ashleigh Barty 6: 1, 6: 4. 41 years ago, the triumph of Christine O'Neil was the last ever Australian winner in Melbourne.