As a junior, Cadart made the boys' quarter-finals at the
1995 Australian Open and was also a quarter-finalist in the doubles at
Wimbledon that year, partnering
Jean-François Bachelot. In the
1999 ERA Real Estate Clay Court Championships, held in
Orlando, Cadart had a win over Australian Open winner
Petr Korda. Cadart lost a four set match to
Stefan Koubek in the opening round of the
2000 Australian Open. It would be his only
Grand Slam singles appearance, although he took part in the doubles at the
2003 French Open, with
Richard Gasquet. The pair were defeated in the first round by Zimbabweans
Wayne Black and
Kevin Ullyett. He had his best result on the
ATP Tour in 2003, at
Marseille, where he made the quarter-finals, beating world number 45
Max Mirnyi en route. ==Challenger titles==