Prague - World No 2 and recent WTA Finals semi-finalist Karolina Pliskova said on Thursday she was parting ways with her Spanish coach Conchita Martinez.
the 27-year-old Czech wrote on her Facebook
added the 2016 US Open finalist.
Her manager and husband Michal Hrdlicka told the Czech news agency CTK they were in talks with a new coach, without disclosing the name.
added the 47-year-old Wimbledon champion from 1994.
Pliskova hired Martinez during last year's US Open and she immediately won the Pacific Open in Tokyo.
She went on to win four WTA tournaments this year and reached the semi-finals at the Australian Open and at last week's WTA Finals where she bowed out to world number one and later champion Ashleigh Barty.