"I didn't really imagine to me playing on this great stadium and play with the best".
Collins had never won a Grand Slam match heading into Melbourne, but after beating Julia Gorges and Caroline Garcia, the 25-year-old stunned second seed Angelique Kerber 6-0 6-2 to reach the quarter-finals.
After dropping the first set, Barty looked in trouble, but then she didn't skip a beat as she powered her way back to a 6-1 win in the second, before ending up serving out the match for a 6-4 win in the third, despite some late resistance from the Russian. We are just playing, we are on tour'. "Let's get it, Danielle!'"
In other action, Canadian Gabriela Dabrowski and partner Mate Pavic of Croatia, who are ranked No. 1 and the defending mixed doubles champions at the Australian Open, are moving on. She came out in the first set and, quite frankly, the last couple matches, I was in positions where I was controlling from the get-go. However, it's not particularly huge and Barty should not allow any mental scars from those matches (the last two were in finals) get the better of her. She likes to fight and it's something we encourage her to do.
'Our terms are the same as they have always been, ' she said of Sharapova.
Barty claimed the biggest title of her career at the WTA Elite Trophy in November, while Kvitova is a two-time Grand Slam champion. The two-time Wimbledon champion almost had her career heartbreakingly cut short when her hand and fingers were severed to the nerve after she courageously defended herself from a knife-wielding home-intruder in 2016. More than 24 hours later, she arrived at her hotel with just enough time to shower before meeting Collins at the player's lounge for lunch. I better have many more of these. "Right now, I'm certainly getting mine".
As her ranking rose, so did her confidence.
Navratilova is tipping Serena Williams to prevail this week and match Margaret Court's all-time record of 24 singles slams.
"I needed to take that time away". But, yeah, I think I'm really embracing it.
She said of her previous failures at grand slam tournaments: "When I lost at the French Open, I played [Caroline] Wozniacki. That's based off of the hard work that's been put in, and having faith in what I'm doing".
Barty, who played professional cricket before returning to tennis in 2016, tried to take the sting out of the game early on by sending backhand slices to Sharapova.
"I think there is not too much to say". Whether people are for me or against me, I'm not really fazed by it. Barty, who was seen as a tennis child prodigy, walked away from the sport. "But, yeah, it took me a while, for sure".
That drive has been on full display here in Melbourne.
The Spaniard, who has been in ominous touch so far, is wary of the threat posed by the 21-year-old, who has nothing to lose. The whole match I was trying everything.
"Actually that's the first time what I'm hearing this".
Kvitova said it was a different feeling to her first trip to the semi-finals in 2012, when she was at the peak of her career.