US Open 2018: 5 things to know about first-time Grand Slam finalist Naomi Osaka

2. She is a huge Pokemon fan

Naomi Osaka won the Indian Wells title in March this year

Osaka cried on the court after winning her tough Round of 16 match against Aryna Sabalenka in three tight sets. "I was just thinking, 'I have to fight for every point; even if I break a leg I should try to get to every ball'," Osaka said in the post-match press conference.

Her victory speeches have been a thing of discussion. Two years ago, she was asked a question in a news conference about her career ambitions and she responded by saying, "To be the very best, like no-one ever was."

Realising she had caused confusion, she added: "That's a Pokemon quote, I'm sorry. That's the Pokemon theme song."