Career
Rottier reached the second round of the 1994 French Open. She reached the final of the Women's Tennis Association singles tournament in Tokyo in 1993, losing to Kimiko Date in straight sets. She reached the final of the Women's Tennis Association doubles tournament in Beijing in 1995 partnering Shi-Ting Wang, and losing to Claudia Porwik and Linda Wild, also in straight sets.
Rottier played three singles matches for the Netherlands in 1993, winning against Maja Murić of Croatia 6-2, 6-0 and against Oksana Bushevitsa of Latvia 6-4, 6-2, before losing to Conchita Martínez of Spain in two sets.