She reached her only career WTA Tour singles final in Warsaw in 1995, losing to Barbara Paulus of Austria in three sets.

Fusai never advanced beyond the singles third round of the main draw of any Grand Slam tournament.

She earned her career-best singles victory at the Italian Open in Rome in 1998 by beating world No.

Fusai had a career women's doubles win–loss record of 300–225 (260–192 for only main draw matches in WTA Tour tournaments).

[2] Fusai achieved her best mixed-doubles result at the 2001 French Open; she was paired with Jérôme Golmard and they lost in the quarterfinals.

[2] Fusai was a member of the France Fed Cup team that won the title in 1997, winning all the three World Group doubles matches that she played from the opening round (quarterfinals) against Japan to the final against the Netherlands.