Career
Fissette reached a career high singles ranking of 1,291 on 23 August 1999. Fissette first took on the role of Kim Clijsters" coach upon the Belgian making a comeback onto the Women's Tennis Association Tour in 2009, having previously served as her hitting partner prior to her first retirement in 2007. She also reigned as the world number one for a solitary week in 2011.
Fissette and Clijsters split in September that year.
After splitting from Clijsters, Fissette became the coach of Sabine Lisicki shortly before the commencement of the 2013 French Open. In 2014, Fissette became the coach of Simona Halep.
She also reached a career high ranking of world number two in August that year. The pair split at the end of the year, with Halep wanting to focus on working with coaches from her native Romania.
In February 2015, Fissette became the coach of former world number one Victoria Azarenka, whose previous coach Sam Sumyk defected to coach Eugenie Bouchard (and later Garbiñe Muguruza).
At the time of this appointment Azarenka was ranked 50th in the world, her lowest ranking since June 2007.