Stadium: Hard 20 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2022/05/10 08:30 | Shuichi Sekiguchi v Matthew Dellavedova | 6-4,6-2 |
| ITF M15 Sharm El Sheikh | 2022/04/01 08:00 | Dominik Boehler v Shuichi Sekiguchi | 4-6,6-4,7-5 |
| ITF M15 Sharm El Sheikh | 2022/03/31 10:15 | Karlo Cubelic v Shuichi Sekiguchi | 4-6,6-7 |
| ITF M15 Sharm El Sheikh | 2022/03/30 10:15 | Sahar Simon v Shuichi Sekiguchi | 6-7,1-6 |
| ITF M25 Quinta Do Lago | 2022/03/25 10:00 | Adria Soriano Barrera v Shuichi Sekiguchi | 5-7,6-4,10-5 |
| ITF M25 Loule | 2022/03/17 13:00 | Hady Habib v Shuichi Sekiguchi | 6-0,6-4 |
| ITF M25 Decatur | 2021/08/04 18:05 | Alfredo Perez v Shuichi Sekiguchi | 6-1,7-6 |
| Challenger Lexington | 2021/07/26 19:25 | Ulises Blanch v Shuichi Sekiguchi | 6-3,6-4 |
| ITF M15 Heraklion | 2022/05/11 11:10 | Corban Crowther v Sebastian Dominko | 6-7,2-6 |
| ITF M15 Monastir | 2022/03/30 08:00 | Sebastian Dominko v Oscar Weightman | 4-6,0-6 |
| Davis Cup | 2022/03/05 18:40 | Diego F Flores v Sebastian Dominko | 3-6,7-6,10-2 |
| ITF M15 Monastir | 2022/02/16 14:50 | Sebastian Dominko v Skander Mansouri | 2-6,4-6 |
| ITF M15 Monastir | 2022/02/10 12:30 | Lucas Catarina v Sebastian Dominko | 6-3,6-4 |
| ITF M15 Monastir | 2022/02/08 10:00 | Linghao Zhang v Sebastian Dominko | 4-6,7-5,3-6 |
| ITF M15 Kazan | 2022/01/18 11:35 | Alexander Vasilenko v Sebastian Dominko | 7-6,7-5 |
| ITF M15 Ithaca | 2021/10/07 17:20 | Keegan Smith v Sebastian Dominko | 6-3,6-2 |