MELBOURNE: Seagulls are notorious for creating havoc at the MCG and now they are leaving their mark on Rod Laver Arena next door.
In the latest in a long line of bizarre Australian Open moments, Alexander Zverev lost his cool over a feather on centre court during his spicy quarter-final clash with Tommy Paul on Tuesday.
The world No.2 was already cranky over a close line call during the second set.
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Alexander Zverev picks up a feather from the court. Nine
And a feather was the final straw after it fell on the court in the middle of a rally and prompted chair umpire Nacho Forcadell to call a replay of a point that Zverev felt he was in control of.
"This is unbelievable," Zverev told Forcadell.
"It's a feather. There's millions of them on the court."
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Zverev won the first two sets 7-6 after dominating the tie breaks 7-1 and 7-0.
Paul, the 12th seed, had his own grumbles with the umpire during the first set tiebreak as he complained about a supposed missed let call.
"If you don't hear that one or see that one you are not going to see any," the American said.
Zverev went onto the win the match in four sets.
He will play the winner of Carlos Alcaraz vs Novak Djokic in the semi-finals.