| Aly, Talal1893 | 1-0 | Al Mamari, Ali Abdullah1789 | Muscat International 2024 | 2024 |
| Al-Takrori, Husam1996 | 1-0 | Al Mamari, Ali Abdullah1789 | Muscat International 2024 | 2024 |
| Ababneh, G1965 | 1-0 | Al Mamari, Ali Abdullah1789 | Muscat International 2024 | 2024 |
| Orozbaev, Eldiyar2420 | 1-0 | Al Mamari, Ali Abdullah1789 | Muscat International 2024 | 2024 |
| Al Mamari, Ali Abdullah1789 | 0-1 | Lodhi, M2150 | Qatar Masters Open B 2024 | 2024 |
| Al Mamari, Ali Abdullah1561 | 0-1 | Pitschka, C2098 | World Amateur U2300 | 2023 |
| Al Mamari, Ali Abdullah1561 | 0-1 | Muhammed, Shuaau2072 | World Amateur U2300 | 2023 |
| Al Mamari, Ali Abdullah1375 | 0-1 | Gamage, Chathulanka1879 | Asian University Men | 2021 |
| Al Mamari, Ali Abdullah1375 | 0-1 | Ahmad Nazari, Emir Rusyaidi1963 | Asian University Men | 2021 |
| Taher, Yoseph Theolifus2455 | 1-0 | Al Mamari, Ali Abdullah1375 | Asian University Men | 2021 |
| Ali Marandi, C2543 | 1-0 | Al Mamari, Ali Abdullah1375 | 1st FIDE World Uni RapidC | 2021 |
| Cheong, Kai Bin Andre1819 | 1-0 | Al Mamari, Ali Abdullah1375 | Asian University Boys | 2020 |
| Al Mamari, Ali Abdullah1375 | 0-1 | Sezdbekov, Arzybek2052 | Asian University Boys | 2020 |
| Al Mamari, Ali Abdullah1375 | 0-1 | Doluweera, Dinul Thisura1863 | Asian University Boys | 2020 |
| Al Mamari, Ali Abdullah1375 | 0-1 | Nassar, Marc1889 | Asian University Boys | 2020 |