Career
Gunawan competes in men"s doubles with Joko Riyadi. They were bronze medalists at the 2005 Asian Badminton Championships, runners-up at the 2006 Dutch Open, and bronze medalists at the 2007 Badminton at the Southeast Asian Games. At the 2007 BWF World Championships they were seeded #14 and were defeated in the third round by Guo Zhendong and Xie Zhongbo, of China, 22–20, 16–21, 21–16.
1 time at Sudirman Cup (2007) 1 time at Thomas Cup (2008) Andrei Adistia Alvent Yulianto Chandra.