Emma Raducanu reeled off nine straight games in a facile 6-2, 6-1 victory over an unknown Japanese 19-year-old at the Miami Open on Wednesday, but the real story was her split with coach Vladimir Platenik.

Emma Raducanu has parted ways with her coach, Vadimir Platenik, after an unsuccessful two-week trial after Indian Wells.

Emma Raducanu and coach Vladimir Platenik have parted ways after working together for just one match, her management team confirmed on Wednesday. Platenik started working with Raducanu on a trial basis two weeks ago and was present during her first-round defeat at the BNP Paribas Open in Indian Wells, Calif. to Moyuka Uchijima on March 6.