| Qatar Open XD | 05/22 04:30 | 1 | Siu Hang Lam v Lin, Xuqi | - | Walkover | |
| Qatar Open 2019, MS | 05/03 12:00 | 1 | Siu Hang Lam v Koki Niwa | L | 0-3 | |
| Qatar Open 2019, MS | 05/01 15:00 | 1 | Dimitrij Ovtcharov v Siu Hang Lam | L | 3-0 | |
| Qatar Open 2019, MS | 04/30 09:00 | 1 | Siu Hang Lam v Karlsson, Mattias | L | 1-3 | |
| Qatar Open XD | 03/21 14:00 | 1 | Siu Hang Lam v Lubomir Jancarik | L | 0-4 | |
| Qatar Open XD | 03/20 18:40 | 1 | Siu Hang Lam v Minhyeok Kim | L | 1-4 | |
| Qatar Open XD | 02/23 21:00 | 1 | Siu Hang Lam v Tomokazu Harimoto | L | 1-3 | |
| Qatar Open XD | 02/22 21:00 | 1 | Siu Hang Lam v Hugo Calderano | L | 0-3 | |
| Qatar Open XD | 11/26 11:45 | 1 | Sathiyan Gnanasekaran v Siu Hang Lam | L | 4-1 | |
| Qatar Open XD | 11/25 18:15 | 1 | Alvaro Robles v Siu Hang Lam | W | 0-4 | |
| Qatar Open XD | 11/25 14:35 | 1 | Tomas Polansky v Siu Hang Lam | W | 1-3 | |
| Qatar Open XD | 11/25 10:30 | 1 | Deni Kozul v Siu Hang Lam | W | 2-3 | |
| Qatar Open XD | 11/15 14:30 | 1 | Ganghyeon Park v Siu Hang Lam | L | 3-1 | |
| Qatar Open XD | 11/15 09:00 | 1 | Siu Hang Lam v Darko Jorgic | W | 3-0 | |
| Qatar Open XD | 11/14 19:10 | 1 | Siu Hang Lam v Kirill Gerassimenko | L | 3-4 | |
| Qatar Open XD | 11/13 19:40 | 1 | Siu Hang Lam v Elias Ranefur | W | 3-0 | |
| Qatar Open XD | 11/13 18:20 | 1 | Siu Hang Lam v Miguel Vilchez | W | 3-0 | |
| Qatar Open XD | 11/13 10:20 | 1 | Siu Hang Lam v Simon Berglund | W | 3-0 | |
| Qatar Open XD | 11/07 18:50 | 1 | Siu Hang Lam v Joe Seyfried | L | 1-3 | |
| Qatar Open XD | 11/03 10:55 | 1 | Siu Hang Lam v Shunsuke Togami | L | 1-3 | |
| Qatar Open XD | 11/02 08:00 | 1 | Siu Hang Lam v Kordoutis, Dimitrios | W | 3-0 | |
| Qatar Open XD | 10/07 08:40 | 1 | Andrea Landrieu v Siu Hang Lam | L | 3-1 | |
| Qatar Open XD | 10/06 18:30 | 1 | Tomas Polansky v Siu Hang Lam | W | 1-3 | |
| Qatar Open XD | 10/06 08:05 | 1 | Dziadek, Kamil v Siu Hang Lam | W | 0-3 | |
| Qatar Open XD | 09/20 09:40 | 1 | Tazoe, Kenta v Siu Hang Lam | W | 3-4 | |
| Qatar Open XD | 06/22 07:10 | 5 | Siu Hang Lam v Oshima, Yuya | L | 2-4 | |
| Qatar Open XD | 06/21 11:00 | - | Siu Hang Lam v Gaoyuan Lin | W | 4-2 | |
| Qatar Open XD | 06/14 02:54 | - | Ryuzaki, Tonin v Siu Hang Lam | W | 1-3 | |
| Qatar Open 2019, MS | 05/31 12:00 | 57 | Mizutani, Jun v Siu Hang Lam | L | 4-0 | |
| Qatar Open XD | 04/15 12:45 | 1 | Siu Hang Lam v Zhendong Fan | L | 0-3 |