Playing with Li Yujia, he defeated Kenya's Victor Odera and Irene Kerimah, Canada's Mike Beres and Valerie Loker, and Australia's Travis Denney and Kate Wilson-Smith in the preliminary rounds, before losing out the semi-final match to English pair Nathan Robertson and Gail Emms, with a score of 21–19, 14–21, and 17–21.

[4][5] Despite their semi-final loss, Saputra and Li managed to beat the neighbouring Malaysian duo Koo Kien Keat and Wong Pei Tty for the bronze medal victory, attaining a three-set score of 21–14, 21–23, and 21–6.

[6][7] Saputra also qualified for the mixed doubles at the 2008 Summer Olympics in Beijing, by placing thirteenth and granting an entry as one of the top 15 seeded teams from the Badminton World Federation's ranking list.

Playing with Li Yujia for the second time, Saputra lost the preliminary round match to Danish pair and European champions Thomas Laybourn and Kamilla Rytter Juhl, with a score of 12–21 and 14–21.

[12][13] Shortly after his second Commonwealth Games, Saputra and his brother, Hendra Wijaya, announced their resignations from the Singapore national badminton team, citing difficult targets and no positions in the SBA as sparring partners.