(Reuters) -Two-time Wimbledon champion Petra Kvitova announced on Thursday that she will retire from tennis at the conclusion of the U.S. Open later this year. The Czech returned to competition this year after a 15-month maternity break.

Kvitova, who won her two major titles at Wimbledon in 2011 and 2014, will hang up her racquet at the end of the year

Petra Kvitová announces the end of her pro-tennis career. The two-time Wimbledon Champion said she intends to finish her "active playing career" at the U.S. Open in August.