| Dutch Open | 10/24 11:15 | - |
Dicky Dwi Pangestu
v
Justin Seibel |
L | 2-0 | |
| Dutch Open Qual | 10/23 14:40 | - |
Joel Koenig
v
Justin Seibel |
W | 0-2 | |
| Dutch Open Qual | 10/23 08:10 | - | Jahid Alhasanov v Justin Seibel | W | 0-2 | |
| Czech Open Qual | 10/17 07:20 | - | Justin Seibel v Ziga Podgorsek | L | 1-2 | |
| Lithuanian Int. Quals | 06/06 11:15 | - | Rafael Gavois v Justin Seibel | L | 2-0 | |
| Bonn Int. Qual | 05/30 07:00 | - | Justin Seibel v Yu-Han Hsu | L | 1-2 | |
| Bonn Int. Qual | 05/29 14:20 | - | Jacob Thyge v Justin Seibel | W | 0-2 | |
| Bonn Int. Qual | 05/29 08:00 | - | Michael Pang v Justin Seibel | W | 1-2 | |
| Luxembourg Open Qual | 05/02 09:25 | - | Justin Seibel v Nicholas Raj | L | 0-2 | |
| Finnish Int. Qual | 04/25 11:15 | - | Justin Seibel v Juuso Kuoppala | L | 1-2 | |
| Finnish Int. Qual | 04/25 08:35 | - | Mats Duwel v Justin Seibel | - | Walkover | |
| Malta Int. Qual | 04/04 11:15 | - | Charlie Castle v Justin Seibel | L | 2-1 | |
| Portugal Int. Qual | 03/06 16:20 | - | Heng Lin Ngan v Justin Seibel | L | 2-0 | |
| Bulgarian Int. Qual | 10/05 15:10 | - | Justin Seibel v Niilo Nyqvist | L | 0-2 | |
| Bulgarian Int. Qual | 10/05 13:00 | - | Justin Seibel v Helmer Andersson | W | 2-1 | |
| Bulgarian Int. Qual | 10/05 07:35 | - | Justin Seibel v Berat Ayindi | W | 2-0 | |
| Croatian Int. | 09/29 09:55 | - | Martin Bundgaard v Justin Seibel | L | 2-0 | |
| Croatia Int. Qual | 09/28 18:30 | - | Szymon Stokfisz v Justin Seibel | W | 0-2 | |
| Croatian Int. | 09/28 14:35 | - | Justin Seibel v Loris Dietrich | - | View | |
| Croatia Int. Qual | 09/28 08:10 | - |
Justin Seibel v
Arun Kumar Ashok Kumar
|
W | 2-1 | |
| Latvia Int. Qual | 08/31 08:20 | - | Neil Bhabuta v Justin Seibel | L | 2-1 | |
| Latvia Int. Qual | 08/30 12:00 | - | Emil Dantler v Justin Seibel | W | 1-2 | |
| Lithuanian Int. Qual | 06/08 16:40 | - | Justin Seibel v Yohan Barbieri | L | 0-2 | |
| Lithuanian Int. Qual | 06/08 10:05 | - | Danielius Berzanskis v Justin Seibel | W | 1-2 | |
| Bonn Int. Qual | 05/31 09:55 | - |
Justin Seibel v
Yaro Van Delsen
|
L | 0-2 | |
| Dutch Int. Qual | 04/13 11:10 | - | Justin Seibel v Andi Fadel Muhammad | L | 0-2 | |
| Iceland Int. Qual | 01/26 10:00 | - | Soen Rimmer v Justin Seibel | L | 2-1 | |
| Slovenia Future Series Qual | 11/24 13:35 | - | Shun Saito v Justin Seibel | L | 2-0 | |
| Czech Open Qual | 10/20 16:20 | - |
Justin Seibel v
Julien Scheiwiller
|
L | 0-2 | |
| Czech Open Qual | 10/20 11:05 | - | Justin Seibel v Michael Schausberger | W | 2-0 |