Jeffer Rosobin

Jeffer Rosobin (born 5 January 1976) is a retired badminton player from Indonesia. He was the men's singles champion at the 1996 Asian Championships, and once occupied the top 10 BWF rankings. Rosobin was recorded as a Singapore national coach. In 2017, he joined the Indonesia national training camp, as a women's singles coach.

World Cup
Men's singles

Asian Championships
Men's singles

IBF World Grand Prix
The World Badminton Grand Prix sanctioned by International Badminton Federation (IBF) since 1983.

Men's singles
 * IBF Grand Prix tournament
 * IBF Grand Prix Finals tournament

IBF International
Men's singles

IBF Junior International
Boys' singles