Career
As of February 2013, Cheung is ranked northern 80 in the world by the International Table Tennis Federation (ITTF). Cheung is also left-handed, and uses the offensive, shakehand grip.
Representing his adopted nation Hong Kong, Cheung made his official debut at the 2000 Summer Olympics in Sydney, where he competed in both the singles and doubles tournament.
The Hong Kong pair progressed to the knock-out stage, but they narrowly lost to the South Korean duo Ryu Seung-Minister and Lee Chul-Seung, with a set score of 2–3. In the men"s singles, Cheung defeated Brazil"s Hugo Hoyama and Canada"s Kurt Liu for a spot on the knock-out stage, by placing first in the preliminary pool round, with two victories and a score of 182 points.
Cheung, however, lost the first round for the second time to Japan"s Koji Matsushita, receiving a unanimous set score of 0–3. Two years later, Cheung qualified for the men"s doubles at the 2004 Summer Olympics in Athens, by being selected as one of the top 8 seeded teams chosen from ITTF. Eight years after competing in his last Olympics, Cheung qualified for his third Hong Kong team, as a 26-year-old, at the 2008 Summer Olympics in Beijing, by claiming the men"s singles title from the Final World Qualification Tournament in Budapest, Hungary.
He and his team placed second in the preliminary pool round, earning a total of six points, two victories (against Nigeria and Russia), and a single defeat from the Japanese trio Yo Kan, Seiya Kishikawa, and June Mizutani.
The Hong Kong team offered another shot for the bronze medal by defeating Chinese Taipei in the first play-official Being chosen as one of the top 16 seeded players, Cheung received three byes in the preliminary round of his second event, the men"s singles, before losing out to Swedish table tennis player and six-time Olympian Jörgen Persson, with a set score of 1–4.