| Welsh Int. Qual | 2019/11/27 10:30 | Baschwitz, Ernesto v Flaatten, Torjus | W | 0-2 |
| Norwegian Int. Qual | 2019/11/07 12:30 | Flaatten, Torjus v Soren Hald | L | 1-2 |
| Czech Open Qual | 2019/09/26 12:05 | Mateusz Danielak v Flaatten, Torjus | W | 1-2 |
| Czech Open Qual | 2019/09/26 08:45 | Flaatten, Torjus v Papai, Balazs | W | 2-0 |
| Lithuanian Int. Qual | 2019/06/06 08:30 | Danila Gataullin v Flaatten, Torjus | W | 0-2 |
| Lithuanian Int. Qual | 2019/06/06 06:00 | Flaatten, Torjus v Eidur Isak Broddason | W | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/04/12 07:35 | Elbrond, Christoffer v Flaatten, Torjus | W | 1-2 |
| Indonesia Masters XD | 2018/02/14 06:45 | Heino, Iikka v Flaatten, Torjus | L | 2-0 |
| Welsh Int. Qual | 2019/11/27 10:00 | Samuel Hsiao v Fung, Oswald | W | 2-0 |
| Scottish Open Qual | 2019/11/21 09:30 | Samuel Hsiao v Rossi, Leo | L | 0-2 |
| Irish Open | 2019/11/14 10:45 | Munoz, Lino v Samuel Hsiao | L | 2-1 |
| Irish Open Qual | 2019/11/13 17:00 | Samuel Hsiao v Elbrond, Christoffer | W | 2-1 |
| Irish Open Qual | 2019/11/13 14:00 | Fung, Oswald v Samuel Hsiao | W | 0-2 |
| Irish Open Qual | 2019/11/13 11:30 | Lyons, Louie v Samuel Hsiao | W | 0-2 |
| Norwegian Int. Qual | 2019/11/07 12:30 | Samuel Hsiao v Klindt, Philip Illum | L | 0-2 |
| SaarLorLux Open 2019, MS | 2019/10/29 17:40 | Samuel Hsiao v Max Weisskirchen | L | 1-2 |