TOKYO – Former world No.1 Naomi Osaka cast doubt on her future on Oct 25, saying she would consider quitting tennis if her three-year-old daughter asked her to.The four-time Grand Slam champion, who represents Japan, took 15 months off from the sport after the birth of her daughter Shai, before returning in 2023.She is in Tokyo this week to play at the Pan Pacific Open and said becoming a mother has reshaped her priorities.“I wouldn’t say I’m part-timing it, but my entire day doesn’t consist of that,” said the 29-year-old, now ranked 19th in the world.“It’s tough; sometimes I look…