Stadium: Court 5 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Sarreguemines | 2021/10/24 08:00 | Liam Schiemann v Guenther, Paul-Georg | 1-6,2-6 |
| ITF M25 Pardubice | 2021/09/20 09:00 | Toby Martin v Liam Schiemann | 6-2,6-0 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/05/16 12:30 | Liam Schiemann v Ruenger, Roman | 3-6,2-6 |
| ITF - M15 Monastir | 2021/01/03 10:00 | Liam Schiemann v Luigi Castelletti | 4-6,3-6 |
| ITF - M15 Monastir | 2020/12/27 09:00 | Yunis, Facundo v Liam Schiemann | 7-6,6-2 |
| ITF - M15 Monastir | 2020/11/29 10:30 | Liam Schiemann v Ajavon, Liova | 1-6,0-6 |
| ITF M15 Parnu | 2021/08/04 16:00 | Andrea Guerrieri v Seeman, Johannes | 2-6,7-6,6-4 |
| ITF M15 Parnu | 2020/11/03 08:00 | Lucas Renard v Seeman, Johannes | 6-7,6-2,7-5 |
| ITF M15 Parnu | 2019/07/15 07:00 | Smith, Barnaby v Seeman, Johannes | 6-4,3-6,10-1 |
| ITF Finland F4 | 2018/11/11 10:30 | Saar, Karl Kiur v Seeman, Johannes | 6-4,6-2 |
| ITF Finland F4 | 2018/11/10 11:25 | Seeman, Johannes v Sizya Ernest Kivanda | 3-6,6-3,6-3 |
| ITF Estonia F3 | 2018/11/04 09:00 | Seeman, Johannes v Shrolik, Igor | 3-6,2-6 |
| ITF Estonia F3 | 2018/11/03 11:00 | Klimov, Daniil v Seeman, Johannes | 4-6,2-6 |
| ITF Estonia F2 | 2018/10/30 09:25 | Shrolik, Igor v Seeman, Johannes | 6-4,7-6 |