'You still have to make an effort' - Boris Becker on 'very disappointing' Alexander Zverev loss at Australian Open

World No. 3 Alexander Zverev suffered a crushing straight-sets loss to Denis Shapovalov in their fourth-round clash at the Australian Open, and Boris Becker has given Eurosport his reaction. Shapovalov caused the biggest upset on the men's side of the singles draw so far, knocking out the No.

3 seed, 6-3 7-6(5) 6-3, on Margaret Court Arena to reach the quarter-finals at Melbourne Park for the first time. Ad/> Speaking to Eurosport Germany, Becker summarised why he felt his compatriot fell to the stunning straight-sets defeat to the big-serving Canadian. Australian Open'Everything was crazy!' — Nadal reacts to 'unforgettable' 28-minute tie-break2 HOURS AGO «Very disappointing,» Becker said after the fourth-round shock.

«Sascha never found his game, he didn't develop dynamism or aggression. »Right from the start, you had the feeling that Shapovalov was always a step ahead. The Canadian was livelier.

I haven't seen Zverev that passive for a very long time. «You can lose and play badly, but you still have to make an effort and leave your soul on the pitch. We missed that today.

»Sascha's dream of being number one in the world after the Australian Open now is over. He has to think about what happened there. «He was brimming with confidence before but something has happened from Australia these past few weeks.» «His big strength is his serve, but today it was just three aces with eight double faults.

He waited too long on the baseline for that and only played the ball back – hoping that the opponent would make a mistake. But Shapovalov is too good for that. »He never really put pressure on Shapovalov and pushed.