'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.