As of February 14, 2005, Wong was #1158 in world in the ATP rankings, which is the highest in his career.

Wong quickly emerged as one of Hong Kong's most highly touted junior players.

Wong is a member of the Hong Kong, China Davis Cup team, he debuted for Hong Kong at age 15 years 332 days in a reverse singles dead rubber against Thailand in an Asia/Oceania Zone Group II First Round tie at Victoria Park in February 1997.

But his run into the men's singles third round is the best result of the Hong Kong tennis team in this event.

This biographical article relating to Hong Kong tennis is a stub.