 In the 2007 Southeast Asian Games in Thailand, Natsir and Marissa won the gold medal in women's doubles, defeating their Indonesian teammates Jo Novita and Greysia Polii in straight sets.They also helped the Indonesian women's team win the team gold medal at the games.Natsir and Widianto entered Olympic Games 2008 Beijing | Mixed doubles as number one seed, but got silver medal after having a shocking loss to the world number 10 Lee Yong-dae and Lee Hyo-jung.