Tantri who affiliate with Tangkas club, was selected to join the national team in 1993.

She won her first title in 1997 India Open in the women's doubles partnered with Cynthia Tuwankotta.

[1] Tantri competed in 2000 Olympic Games in Sydney with Tuwankotta as the eight seeds, but they were eliminated in the quarterfinals, defeated by Ge Fei and Gu Jun.

[3] Partnered with Minarti Timur, she won the women's doubles silver medal at the 2000 Asian Championships.

[4] Tantri married Tony Gunawan, a 2000 Olympic Games men's doubles gold medalist, on the 29th of July 2002 at the Monte Carlo Chapel in Las Vegas.