Tse, who won a gold and two silver medals at the 17th Asian School in April this year, set a blistering pace with 255 in his opening game to lead compatriot, Nixon Chan of Hong Kong B by 11 pins. Ahmad was third with 243 as 2017 Asian Youth two silver medallist, Paolo M. Hernandez of Indonesia in fourth.
The Hong Kong national added a stunning 277 to extend his lead to 67 pins as Joseph Hing of Singapore B moved up to second with 253 after his 212 opener. Ahmad and Joseph Botham of Australia B stayed close in third and fourth positions.
With another splendid 257 in the third game, Tse stretched his lead even further to 120 pins. Botham moved into second while Ahmad remained in third and a second Australian, Joshua Morris making good progress.