On the 17th and 18th of January 2020, Joshua Lau from Year 11 participated in the Singapore International Piano Competition. This was held in SOTA and Victoria Concert Hall in Singapore. He competed in various categories. Among all other young musicians who came from different parts of the world, he won the First Prize in Composer-based Category (Debussy class) and Age-based Category. He also obtained the Top Scorer Award at the end of the competition.