| Giraldilla International DX | 2016/11/30 12:33 | Daniel Leers v Tsung Fong Mo | L | 2-0 |
| Open della Repubblica Ceca - Qual | 2019/09/26 08:00 | Callum Thomas v Matti-Lukka Bahro | L | 0-2 |
| Latvia Int. Qual | 2019/05/30 10:00 | Hans-Kristjan Pilve v Callum Thomas | L | 2-0 |
| Latvia Int. Qual | 2019/05/30 06:00 | Callum Thomas v Toby Leung | W | 2-0 |
| Open di Svizzera DF - Qual. | 2018/11/14 13:30 | Callum Thomas v Peter Roenn Stensaeth | L | 0-2 |