Yim Chak Sum 2019 RS:X Youth World Championships 42nd RS:X Boys 2019 Asian Windsurfing Championships 9th RS:X Youth Men Yim Chak Sum2020-03-032020-03-03https://www.windsurfing.org.hk/wp-content/uploads/2023/05/wahk-logo_c2023_long-e1684143185155.png中國香港滑浪風帆會https://www.windsurfing.org.hk/wp-content/uploads/2023/05/wahk-logo_c2023_long-e1684143185155.png200px200px
