Two-time Grand Slam winner Naomi Osaka has sacked her trainer dividing with Jermaine Jenkins in the aftermath of her US Open title defence that was disappointing.
Jenkins, a hitting spouse of Venus Williams, substituted Sascha Bajin weeks, in February in the Australian Open following the success of Osaka.
„I am super thankful for the time we spent together and the things I heard on and off the court but that I feel like now is an appropriate time for modification,“ the Japanese 21-year-old wrote on Twitter.
„Love you, forever heated by you… Thank you for everything, it was a blast.“
Best seed former world No 1 Osaka, at Flushing Meadows struggled with a knee problem before being bothered by 13th seed Belinda Bencic in straight sets in the round.
It lasted a season because her second Grand Slam title at Melbourne Park for the power hitter in Wimbledon and the French Open.
The Open win created the primary world No 1 and also the initial player of any nation of her Asia to assert the first two Grand Slam titles since Jennifer Capriati at 2001.
Her standing slide has been witnessed by her exit from New York to four.

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