| Norwegian Int. - Kval | 2019/11/07 12:00 | Shaun Ekengren v Thomas Sibbald | L | 2-1 |
| Belgian Int. - Kval | 2019/09/11 15:15 | Thomas Sibbald v Wolfgang Gnedt | L | 0-2 |
| Litauen - Int. - Kval | 2019/06/06 14:30 | Kazimieras Dauskurtas v Thomas Sibbald | W | 0-2 |
| Latvia Int. Qual | 2019/05/30 11:30 | Thomas Sibbald v Tony Lindelof | L | 0-2 |
| Latvia Int. Qual | 2019/05/30 07:30 | Thomas Sibbald v Jack Taylor | W | 2-1 |
| Dutch International - Kval | 2019/04/11 07:30 | Keith Mark Edison v Thomas Sibbald | L | 2-1 |
| Swiss Open - Damdubbel - Kval | 2018/12/13 12:00 | Alejandro Alcala v Thomas Sibbald | L | 2-0 |
| Swiss Open - Damdubbel - Kval | 2018/11/14 12:00 | Patrick Abildgaard v Thomas Sibbald | L | 2-0 |
| Cyprus Int. Qual | 2021/10/14 15:05 | Aris Kattirtzi v Mikolaj Szymanowski | L | 0-2 |
| Cyprus Int. Qual | 2021/10/14 13:30 | Andrei Don v Aris Kattirtzi | W | 0-2 |