All available race results Ka Chun Siu
| Date | Race | Rank |
| Tour of Mentougou | ||
| 16/11 | Stage 1 | 49 |
| 17/11 | Stage 2 | 35 |
| General Classification | 36 |
Rider information for 2024
| Rank | 6947 |
| Score | 0 |
| Name | Ka Chun SIU |
| Country | Hong Kong |
| Team | Elite without contract |
| Date | Race | Rank |
| Tour of Taihu Lake | ||
| 09/10 | Stage 1 | 119 |
Rider information for 2025
| Rank | 5502 |
| Score | 0 |
| Name | Ka Chun SIU |
| Country | Hong Kong |
| Team | HKSI Pro Cycling Team |
| Date | Race | Rank |
| Tour of Taihu Lake | ||
| 16/09 | General Classification | 130 |
Rider information for 2026
| Rank | 3927 |
| Score | 0 |
| Name | Ka Chun SIU |
| Country | Hong Kong |
| Team | HKSI Pro Cycling Team |