A second bronze for Singapore boys
But the Singaporeans were 127 pins behind Squad A and overall leaders, Matt Hann and Singles gold medalist, Dominic Barrett of England on 2790 and Sweden's Kim Bolleby and James Gruffman in second with 2735.
At the semi-finals against second-seed, Sweden, both Wong and Gan must have shown signs of tension and pressure as Gan sho 194 and Wong suffered a 172 to give the pair 366. Their opponent took the match with 414.
The other Singapore pair of Benjamin Lim and Eugene Low finished 24th behind their team-mates and 43rd overall on 2395. Wong's 1397 in the doubles has moved the youngster up to eighth in the All Events standings.
Barrett is dominating the field with a 2823 total for 12 games, an average of better than 235. The next closest competitor is Fredrik Thjernes of Norway, who has 2657. Fellow Norwegian Mads Sandbaekken is third with 2648.
Action at the World Youth Championships next shifts to boys and girls four-player team events, which begins at 8.00am. Eastern on Tuesday. Each team will bowl three games on Monday and complete the six-game set on Wednesday.
Detailed scores: Boy's Semi & Finals | Boy's Doubles Combined | Boy's Doubles Squad B | Boy's Doubles Squad A.