Wong is a two-time Olympian, who took part at the 2012 and 2016 Summer Olympics, where he was flag bearer in the latter's Parade of Nations.

[2][3] Wong shocked Indonesia's Taufik Hidayat, a former Olympic champion in the second round of the World Championships.

He defeated the Indonesian star 21–17, 21–14 to earn a place in the third round against Hans-Kristian Vittinghus of Denmark.

[4] Wong upset Vietnam's Nguyễn Tiến Minh, then ranked in the world's top 10, at the quarterfinals of the Sea Games.

[5] Wong advanced to the men's singles final but lost to Parupalli Kashyap of India 14–21, 21–11, 21–19, winning a silver medal.