In her career so far , she has won 6 singles titles and 36 doubles titles , including three Grand Slam women 's doubles titles ( 1 with Frenchwoman Julie Halard-Decugis and 2 partnering Belgian Kim Clijsters ) . In her career , she won 6 singles titles and 37 doubles titles , including three Grand Slam women 's doubles titles ( 1 with Frenchwoman Julie Halard-Decugis and 2 partnering Belgian Kim Clijsters ) .