| Irish Open Qual | 2023/11/15 15:25 | O Brien, Jack Joseph v Harper Leigh | W | 2-0 |
| Irish Open Qual | 2023/11/15 11:20 | Ewen Stephen v O Brien, Jack Joseph | W | 0-2 |
| Irish Open Qual | 2019/11/13 16:30 | Yang Yang v O Brien, Jack Joseph | L | 2-0 |
| Irish Open Qual | 2019/11/13 10:00 | Patil, Arnav v O Brien, Jack Joseph | W | 0-2 |
| Lithuanian Int. Qual | 2019/06/06 08:20 | Brian Holtschke v O Brien, Jack Joseph | L | 2-0 |
| Latvia Int. Qual | 2019/05/30 14:00 | Markus Barth v O Brien, Jack Joseph | L | 2-0 |
| Irish Open Qual | 2023/11/15 12:30 | Heng Lin Ngan v Lyons, Louie | W | 2-0 |
| Norwegian Int. | 2023/11/10 12:30 | Ludvig Petre Olsson v Heng Lin Ngan | L | 2-1 |
| Abu Dhabi Masters | 2023/10/18 07:40 | S. Sankar Muthusamy Subramanian v Heng Lin Ngan | L | 2-0 |
| Bulgarian Int. | 2023/10/07 08:20 | Yohan Barbieri v Heng Lin Ngan | L | 2-1 |
| Bulgarian Int | 2023/10/06 14:15 | Maksymilian Danielak v Heng Lin Ngan | W | 1-2 |
| Bulgarian Int | 2023/10/06 09:00 | Montaser Mahmoud, Mahmoud Montaser v Heng Lin Ngan | W | 0-2 |
| Slovenia Future Series | 2023/09/08 11:05 | Heng Lin Ngan v Soren Hald | L | 0-2 |
| Lithuanian Int. | 2023/06/10 15:00 | Heng Lin Ngan v Jason Christ Alexander | L | 0-2 |