In an interview for a German TV show, the three-times Wimbledon champion revealed that he and his girlfriend were planning to wed in St Moritz, Switzerland, the swank ski resort town.
"We've been together for nearly four years and had our ups and downs. ... Last summer I lost my way, but she took me back again," People magazine quoted him as saying.
Kerssenberg, told the show host that Boris's ex-wife, Barbara Becker, 42, was very happy for them.
She even revealed that Barbara and her fiance, Arne Quinze, 37, an artist from Belgium, were also "getting married on the same day!"