Alexander Zverev was left bemused after the umpire stopped play in the middle of a rally when a bird's feather floated down on the court during his quarter-final against Tommy Paul at the Australian Open on Tuesday.

Alexander Zverev got bothered by a bird’s feather at the Australian Open and was warned for cursing during his quarterfinal against Tommy Paul. The second-seeded Zverev was down a break in the second set — a set he went on to win — when Paul saved two break points.

Watch Alexander Zverev argue with the umpire after he halts play mid-rally because of a feather on court during the German's Australian Open quarter-final victory over Tommy Paul.

Defending champion Aryna Sabalenka reached the semi-finals of the Australian Open with a battling 6-2 2-6 6-3 win over Russian 27th seed Anastasia Pavlyuchenkova, as her quest for a third straight title at Melbourne Park gained momentum.

Aryna Sabalenka, the world No. 1 and two-time champion at the Australian Open, survived a major scare against Anastasia Pavlyuchenkova to advance to the semifinals. Sabalenka was twice a break down in the deciding set,

World No. 1 Aryna Sabalenka continued her quest for her third consecutive Australian Open title, defeating Russia's Mirra Andreeva 6-1, 6-2 on Sunday to reach the quarterfinals.

Novak Djokovic and Carlos Alcaraz go head-to-head in a heavyweight quarter-final clash at the Australian Open. It will be the first meeting between the two players since the final of the Paris Olympics last summer, when Djokovic took victory to claim the gold medal he had so desperately craved.

Jiri Lehecka (No. 29 in the world) takes on Novak Djokovic (No. 7) in the Round of 16 at the Australian Open.Djokovic secured a three-set win over Tomas Machac (6-1, 6-4, 6-4) in the