Product Code Database
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.
| 1996 | Istora Senayan, Jakarta, Indonesia | Dong Jiong | 5–15, 8–15 | Silver |
| 1996 | GOR Pancasila, Surabaya, Indonesia | Luo Yigang | 9–15, 15–7, 15–5 | Gold |
Men's singles
| 1995 | Polish Open | Budi Santoso | 15–11, 8–15, 11–15 | Runner-up |
| 1995 | Brunei Open | Rashid Sidek | 9–15, 3–15 | Runner-up |
| 1998 | Malaysia Open | Peter Gade | 5–15, 12–15 | Runner-up |
| 2004 | Pakistan Satellite | Marleve Mainaky | 15–4, 15–0 | Winner |
| 2005 | Jakarta Satellite | Budi Santoso | 15–13, 15–12 | Winner |
| 2005 | Cheers Asian Satellite | Wiempie Mahardi | 15–8, 15–11 | Winner |
| 2005 | Surabaya Satellite | Park Sung-hwan | 16–17, 15–10, 11–15 | Runner-up |
| 2006 | Vietnam Satellite | Nguyễn Tiến Minh | 17–21, 12–21 | Runner-up |
| 2006 | Cheers Asian Satellite | Andreas Adityawarman | 21–19, 15–21, 23–21 | Winner |
| 2006 | Surabaya Satellite | Alamsyah Yunus | 21–16, 21–19 | Winner |
| 2006 | Malaysia Satellite | Alamsyah Yunus | 14–21, 21–15, 22–20 | Winner |
| 1994 | German Junior | Tony Gunawan | Winner |
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