Emma Raducanu has split with her coach after just five months together.
The US Open champion had teamed up with Torben Beltz in November, with the German previously working with former Wimbledon champion Angelique Kerber.
The 19-year-old has now gone through three coaches in the last year, starting with Nigel Sears.
Andrew Richardson then was in her camp when she won her Grand Slam title in September, before swiftly splitting from the Briton.
She said at the time she wanted a coach with more tour experience and got that in Beltz, but things have not quite worked out as hoped.
Now she is searching for her next permanent coach again after struggling to replicate her form that saw her blow away the competition in New York.
“I want to thank Torben for his coaching, professionalism and dedication over last half a year,” she said in a statement.
“He has a huge heart and I have enjoyed our strong chemistry during the time together. I feel the best direction for my development is to transition to a new training model with the LTA supporting in the interim.”
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She will reportedly be supported by Iain Bates, head of women’s tennis at the LTA, while she plays in the Madrid Open this week.
Raducanu reached the quarter-final of the Stuttgart Open last week, before losing to world number one Iga Swiatek.
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Source: TalkSport.com Tennis