| Swiss Open - Kwal. - DD | 2018/10/09 09:54 | Jaromir Janacek v Birger Abts | W | 0-2 |
| Swiss Open - Kwal. - DD | 2018/09/12 10:40 | Birger Abts v Miha Ivanic | L | 1-2 |
| Swiss Open - Kwal. - DD | 2018/03/06 08:00 | Birger Abts v Alex Vlaar | L | 0-2 |
| Giraldilla Int. XD | 2018/02/14 16:45 | Daniel Nikolov v Birger Abts | L | 2-0 |
| Indonesia Masters - GD | 2018/02/13 10:30 | Pablo Abian v Birger Abts | L | 2-0 |
| Indonesia Masters - GD | 2017/10/31 17:40 | Birger Abts v Alex Vlaar | L | 1-2 |
| Swiss Open - Kwal. - DD | 2017/10/10 11:00 | Kan Chao Yu v Birger Abts | L | 2-1 |
| Giraldilla Int. XD | 2017/09/13 09:30 | Matthew Grimley v Birger Abts | L | 2-1 |
| Swiss Open - Kwal. - DD | 2018/10/09 09:54 | Michael Spencer-Smith v Joonas Korhonen | W | 0-2 |
| Swiss Open - Kwal. - DD | 2018/09/21 08:10 | Wei Chi Liu v Joonas Korhonen | L | 2-1 |
| Giraldilla Int. XD | 2018/04/13 13:20 | Joonas Korhonen v Toby Penty | L | 0-2 |
| Swiss Open - Kwal. - DD | 2018/04/12 14:55 | Karl Thor S'gaard v Joonas Korhonen | W | 0-2 |
| Swiss Open - Kwal. - DD | 2018/03/08 14:00 | Valentin Singer v Joonas Korhonen | W | 1-2 |
| Swiss Open - Kwal. - DD | 2018/03/08 10:30 | Joonas Korhonen v Douglas Lidman | W | 2-0 |
| Giraldilla Int. XD | 2018/01/19 10:00 | Rosario Maddaloni v Joonas Korhonen | L | 2-0 |
| Swiss Open - Kwal. - DD | 2018/01/18 10:30 | Richard Kuhl v Joonas Korhonen | W | 0-2 |