Tong, who finished sixth in this event last year, notched an impressive 34 gross stableford points on his way to a comprehensive victory in the overall boys' division, while Li's 32 point-haul earned her a two-shot victory in the girls' bracket.
Bibendum Leung and Humphrey Wong took home the runner-up prizes in the boys' division, recording 30 points apiece, with Carrie-Ann Lee (30 points) and Cheria Heng (28) doing likewise in the girls' category.
The long-running championship, which is open to junior golfers aged seven through 17, is named after the late Albert Lai, who in 1995 generously donated HK$1 million to the development of junior golf in Hong Kong.
For a full list of results visit www.hkga.com