Osaka admitted this week that if her results don't get better in the near future, she could walk away from the sport.

Four-time Grand Slam champion Naomi Osaka says she won’t “hang around” in tennis if her results fail to match her high expectations.

Four-time Grand Slam champion Naomi Osaka isn't inclined to "hang around" in professional tennis if her results aren't on par with her expectations. Osaka, 27, is returning from a two-month absence due to a back injury,