There was certainly no problem with the way the Aussie was playing, taking out the contest in four sets.

The issues came with a bizarre series of disruptions off-court, that saw a helicopter halt play, a heckler in the crowd get ejected from the venue after shouting and a problem with the arena's audio speakers that caused feedback issues for both players.

"The guy in the crowd was crazy," Kyrgios said.

"I didn't really know what was going on. [With] the helicopter, that's when I was thinking like, of course it's at my match...there were a lot of things going on there today," he explained after the match.

In the women's bracket, fourth seed Elina Svitolina eased her way to the third round, while world number 7 Jelena Ostapenko was too strong for China's Duan Yingying.

Belinda Bencic crashed out against her little-known Thai opponent Luksika Kumkhum, just 48 hours after defeating last year's finalist Venus Williams, in straight sets.

Frenchwoman Alize Cornet shocked Germany's Julia Goerges in straight sets, while China's 25th seed in the tournament Zhang Shuai bowed out to the Czech Republic's Denisa Allertova in an entertaining back and forth battle.

But the story of the day belonged to 15-year old Ukrainian Marta Olehivna Kostyuk, who became the youngest women to make it into the third round of a Grand Slam in over 20 years, after beating out home town hero Olivia Rogowska.

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