| International du Portugal Qualif. | 2022/03/10 10:00 | Thomas Fourcade v Shamsul Muzli, Muhammad Izzuddin | W | 0-2 |
| Welsh Int Qual | 2021/12/01 17:10 | Elias Bracke v Shamsul Muzli, Muhammad Izzuddin | L | 2-0 |
| Welsh Int Qual | 2021/12/01 11:20 | Shamsul Muzli, Muhammad Izzuddin v Kaung, Min Htet | W | 2-0 |
| Scottish Open Qual | 2021/11/25 15:25 | Joakim Oldorff v Shamsul Muzli, Muhammad Izzuddin | L | 2-0 |
| Scottish Open Qual | 2021/11/25 12:30 | Shamsul Muzli, Muhammad Izzuddin v Wang, Yuehang | D | 1-1 |
| Spain Int Qual | 2021/06/16 12:20 | Shamsul Muzli, Muhammad Izzuddin v Thomas Fourcade | L | 1-2 |
| Indonesia International Challenge 2019, MS | 2019/10/22 09:35 | Ikhsan L I Rumbay v Shamsul Muzli, Muhammad Izzuddin | L | 2-0 |
| Myanmar Int. | 2019/09/11 08:30 | Shamsul Muzli, Muhammad Izzuddin v Dharmamer, Kaushal | L | 0-2 |