Stadium: Court 3 Round: 25 Ground: Clay
| USA F33, Singles | 2018/11/19 15:00 | Seibert, Tim v Craig, Henry | 3-6,4-6 |
| Challenger Columbus | 2018/09/15 15:30 | Seibert, Tim v Luke Saville | 2-6,4-6 |
| Germany F8, Singles | 2018/07/18 16:10 | Orlando Luz v Seibert, Tim | 4-6,6-1,6-3 |
| ITF Germany F8 Qual | 2018/07/16 10:30 | Seibert, Tim v Guttau, Niklas | 6-7,7-6,6-2 |
| ITF Germany F8 Qual | 2018/07/15 12:30 | Drzewiecki, Karol v Seibert, Tim | 5-7,2-6 |
| ITF Germany F5 | 2018/06/26 13:40 | Seibert, Tim v Hirschmueller, Christian | 2-6,6-3,3-6 |
| ITF Germany F16 | 2017/10/22 08:00 | Seibert, Tim v Guenther, Valentin | 6-4,3-6,4-6 |
| ITF Germany F16 | 2017/10/22 08:00 | Kai Lemstra v Seibert, Tim | 3-6,1-6 |
| ITF M15 Troisdorf | 2019/05/07 09:15 | Oscar Jose Gutierrez v Boehler, Dominik | 6-1,6-4 |
| ITF - M15 Antalya | 2019/04/17 07:55 | Karl Friberg v Boehler, Dominik | 6-3,5-7,7-5 |
| ITF - M15 Antalya | 2019/04/11 07:15 | Boehler, Dominik v Alexander Shevchenko | 7-6,6-7,3-6 |
| Tel Aviv, Singles Qualifying M-ITF-ISR-01A | 2019/03/30 08:50 | Boehler, Dominik v Edan Leshem | 6-4,0-6,1-6 |
| Tel Aviv, Singles Qualifying M-ITF-ISR-01A | 2019/03/29 09:25 | Boehler, Dominik v Patael, Ben | 0-6,6-3,7-6 |
| Tel Aviv, Singles Qualifying M-ITF-ISR-01A | 2019/03/28 08:00 | Boehler, Dominik v Smilansky, Igor | 6-2,7-6 |
| Tel Aviv, Singles Qualifying M-ITF-ISR-01A | 2019/03/26 11:15 | Boehler, Dominik v Goldenberg, Lior | 6-2,3-6,6-1 |
| ITF - M15 Doha | 2019/03/13 15:10 | Sidharth Rawat v Boehler, Dominik | 7-6,3-6,6-4 |