In the 1992 Olympics, Rudy and Eddy won a silver medal following the defeat in the final match to South Korean pair Park Joo-bong and Kim Moon-soo.

Rudy Gunawan was a member of world champion Indonesian Thomas Cup (men's international) teams in 1994 and 1996, winning his final round match on both occasions.

However, he shared most of his international men's doubles titles with two other fellow countrymen, Eddy Hartono and Bambang Suprianto.

These included the prestigious All-England title in 1992 and 1994, the World Badminton Grand Prix in 1990 and 1993, the SEA Games in 1991; as well as the Indonesia (1989, 1992, 1995), Dutch (1989, 1991), Singapore (1990), Thailand (1991, 1993), China (1993), Chinese Taipei (1994), and U.S. (1995) Opens.

He also shared a number of international mixed doubles titles, including victories at the Indonesia (1990, 1993), Hong Kong (1993), Polish (1993) Opens and World Cup for 3 years running (1990 - 1991).