The sensational week of women's tennis will be followed by an equally thrilling men's event headed by seven-time champion Roger Federer, Australian Open semi-finalist Stefanos Tsitsipas, defending champion and recent Doha victor Roberto Bautista Agut, former US Open victor Marin Cilic, Japanese No. 1 Kei Nishikori and two-time finalist Tomas Berdych.
"I have not set any specific [goals for the year], like I have to get my rankings up as soon as I can and just give myself chances to get myself as deep as I can in these big draws and give myself chances against the big players in the world". I think I'm pretty young.
"Especially since Charleston and Beijing and stuff. Everyone around me was really supportive and I'm just really grateful I have smart people around me". Thank you for letting me be part of this'. I haven't been practising well recently, it would go away during the matches.
The World number one says she was not willing to "sacrifice" her happiness following her surprise split from coach Sascha Bajin last week. I'd rather someone say it directly to me than go around my back. Indian Wells is coming up. "I don't know why this is happening".
A night after winning the Laureus Breakthrough of the Year award, Osaka was given a tough introduction to life as the top-ranked player on the WTA Tour.
Sometimes I had my first serve percentage not so good but I felt I served pretty well on the second. Past year I wasn't even in the top 50, and now I'm No. 1.
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"She just overpowered me (then)". But when I say I have not been practicing well, it is just rhythm. "That would be the worst", she added.
Osaka has yet to decide on a new coach.
That was the first of seven breaks in succession, with Osaka returning well but repeatedly giving up her foothold in the match, shrugging bemusedly as she failed to hold serve for the seventh time in the set. "But there are no excuses, just the fact that I'm exhausted". He's one of the people that knows my game the most.
Kvitova, Wimbledon champion in 2011 and 2014, said she was unfazed about the early midday start to her match. From that moment I started to check all the possible stats and the stories behind the tennis players. "This is the one tournament that I think I need someone around that's very helpful", she added.
Australian Open runner-up Petra Kvitova rallied from a set down to beat Czech compatriot Katerina Siniakova 6-7 (3) 6-4 6-4, while third seed Simona Halep advanced with a 7-6 (4) 6-4 victory over Canadian wild card Eugenie Bouchard.