A bizarre umpiring blunder has marred a third-round Australian Open men's doubles match between Marcel Granollers/Horacio Zeballos and Yannick Hanfmann/Dominik Koepfer.At set point in the second set tie-breaker, Hanfmann's return to a .
Germany Alexander Zverev has become the fourth singles player to qualify for the 2021 ATP Finals, to be held at the Pala Alpitour in Turin from November 14-21