Vladimír Pláteník is a tennis coach and former professional tennis player from Slovakia. Pláteník is currently a head coach at the international EMPIRE Tennis Academy in Trnava, Slovakia where he worked with Daria Kasatkina. From Wikipedia
The 22-year-old tennis star cited stress and a lack of alignment for the abrupt split, resuming work with her previous team ahead of her second-round Miami Open match.