While her maiden Grand Slam was marred by losing finalist Serena Williams's umpire-baiting histrionics and boos from the Flushing Meadows crowd, Osaka was allowing her follow-up success in Melbourne to soak in.
"I called my mum after I did all the press".
The victory also earned Osaka the world No 1 ranking and, after two years of unpredictability, it appears the women's game finally has a new star on which it can rely.
Naomi Osaka became the world's No. 1 women's singles player on Monday following her victory in Saturday's Australian Open final.
But don't look for Osaka, 21, to change her hard-hitting style. But Osaka can create her own weather system, and the storm clouds were gathering between her ears in the second set as Kvitova became more aggressive with her groundstrokes and pushed Osaka deeper behind the baseline. "I think I still don't really realise that I played the final". "The Williams sisters are coming towards the end of their careers, their brands are very different now to how they used to be and in terms of a young, dynamic presence in female tennis who can appeal to a new generation of consumers, there isn't really anybody right now that's grabbing the attention like Osaka".
Asked what kind of message she hopes to convey in this new role as the leader of the pack, Osaka said: "Of course being No 1 is something that you dream about as a kid". If she can win the French Open or Wimbledon either this year or next, that really sets her up to capitalise on the platform that Tokyo 2020 will give her.
Osaka loves Japan, Japanese food, and her Japanese family. "I just felt really honored that she was giving me this trophy".
"I have always felt like I could maybe be an all-court player", she said. She has also worked on the placement, and not just the pace, of her serve, also to great effect; she recorded nine aces in the final to finish the tournament with 59, which was 22 more than the next-highest woman. "I feel like I have to take it one tournament at a time, especially since Indian Wells is coming up and I won that tournament previous year so I feel like I have to think about that". "I feel like I have to think about that".
"Thank you [to my team] for sticking with me even if we didn't know if I would be able to hold a racquet again".
Fortunately for Osaka, she has plenty of time to prepare.
"It is a bit odd when you say it like that, for it to be a leadership position".
"I feel I have to think about that".
It is perfectly possible that the "era of Osaka" will continue for some time, but other players will without doubt confront Osaka by researching her as much as possible.