In 2009, Ong and Hoon reached Yonex-Sunrise Vietnam Open final, but they lost to Indonesia's Luluk Hadiyanto and Joko Riyadi which were seeded 7 in straight sets, 19-21 and 20-22.
Ong Teng Cheong | Fou Ts'ong | Richard "Hock" Walsh | Ong Bak 2 | Heah Hock Aun | Remy Ong | Ong Tee Keat | Ong's Hat | Ong Kim Swee | Ong Keng Sen | Ong Beng Seng | Kerk Kim Hock | Dee Hock | Christina Ong | Adam Hock |