Monami won her first WTA Tour tournament in 1996 in
Cardiff (Welsh Open). Before this win, she had been on the ITF circuit where she won seven ITF events, five of which in 1990. In 1997, she reached the quarterfinals of the
Australian Open. The following year, Van Roost became the first ever Belgian tennis player (male or female) to reach the top 10 in
WTA rankings. Monami won a total of four WTA singles titles and reached a career-high singles ranking of world No. 9 in October 1998. In total, she participated in 36
Grand Slam tournaments during her career. Another achievement for Van Roost came during the
2000 Summer Olympics in Sydney where she won the bronze medal in the women's doubles competition, partnering
Els Callens. Also in doubles, she reached the quarterfinals of the Australian Open in 1999 and 2000, and the semifinals of the 2000 US Open. In November 2000, Monami ended her professional tennis career when she became pregnant by Bart Van Roost, whom she divorced later in 2003. Subsequently, in 2006, she married Erik Vink, a manager in Sony BMG. After retiring from playing, Monami became involved in Belgian tennis in various capacities, including as a tournament director (
Brussels Open) and as
Fed Cup captain. She also wrote a book titled
Een Kwestie van Karakter (Tout est dans le caractère). Monami was awarded
Belgian Sports Personality of the Year in 1998. Since October 2021 is Monami vice-president of the
Belgian Olympic Committee. ==Significant finals==