Twenty-three-year-oldNaomi Osakais one of the top-rated athletes in the world.
The four-time Grand Slam winner was ranked No.
1 by the Women’s Tennis Association 2019 and currently holds the No.

2 spot in the singles ranking (via WTA Tour).
Thankfully the girls' handwork paid off and both Naomi and Mari became international tennis stars.
The series features pictures of the sisters in their youth and videos of their many tennis practice sessions.

Mari explains, “We dreamed of being champions.
Defying labels, courting excellence, each choosing victory over the other.
Our parents organized our dreams and trained us to fulfill them.”
ThoughNaomiis the better-known tennis player, Mari has also had an enviable career.
However, in March she announced her intention to retire from professional tennis.
She said in an Instagram post, “I am retired from playing tennis.