Life-size cutouts of notable names missing from this year's event are quite the photo op in Tennis Paradise at Indian Wells.

The world No. 10 withdrew from the BNP Paribas Open just days before her first-round match due to a knee injury.

"It's in Mexico at 1,500 metres and they're using pressureless balls," said Craig Tyzzer, coach to the world No. 1.

The American trailed the No. 1 by 2-5 in the third set—and took off from there.

The Australian hit 11 of them during her first-round win over Vera Zvonareva on Tuesday.

Meanwhile, No. 1-ranked Ashleigh Barty opens her campaign against a former No. 2.

Could the Grand Slam season end with a showdown between world No. 1 Ash Barty and defending champion Naomi Osaka? It won’t be easy; there are a lot of hoops to jump through.

The world No.1 picked up her fifth title of the season at the Western & Southern Open.

The Aussie looks in dominant form after winning Cincinnati's Western & Southern Open for the first time.

She improved to 40-7 on the year on Sunday with a 6-3, 6-1 win over Jil Teichmann in the final of Cincinnati.