Stadium: Court 3 Round: 25 Ground: Clay
| ITF Slovakia F2 | 2018/07/31 10:00 | Samm Butler v Tadeas Paroulek | 7-6,3-6,5-7 |
| ITF Lithuania F1 | 2018/07/26 08:00 | Martins Podzus v Samm Butler | 6-3,6-0 |
| ITF Lithuania F1 | 2018/07/25 08:00 | Fernando Yamacita v Samm Butler | 6-7,3-6 |
| ITF Lithuania F1 | 2018/07/23 07:00 | Shahar Elbaz v Samm Butler | 2-6,4-6 |
| ITF Estonia F1 | 2018/07/17 07:00 | Joao Lucas Reis da Silva v Samm Butler | 7-5,7-6 |
| ITF Belgium F3 | 2018/07/03 11:00 | Clement Geens v Samm Butler | 3-6,6-3,7-5 |
| ITF Czech Republic F4 | 2018/06/25 08:00 | Alexander Vasilenko v Samm Butler | 6-4,6-2 |
| ITF Czech Republic F4 Qual | 2018/06/24 11:20 | Michael Vrbensky v Samm Butler | 5-7,3-6 |
| ITF Austria F3 | 2018/07/16 08:00 | Jorge Panta v Shuichi Sekiguchi | 1-6,7-6,7-5 |
| ITF Czech Republic F6 | 2018/07/10 08:00 | Martin Bugaj v Shuichi Sekiguchi | 6-1,6-2 |
| ITF China F9 | 2018/07/06 03:00 | Min-Kyu Song v Shuichi Sekiguchi | 6-2,6-1 |
| ITF China F9 | 2018/07/05 04:35 | Chenhe Li v Shuichi Sekiguchi | 2-6,5-7 |
| ITF China F9 | 2018/07/03 07:00 | Lingxi Zhao v Shuichi Sekiguchi | 2-6,0-6 |
| Challenger Fergana | 2018/06/19 07:55 | Rubin Statham v Shuichi Sekiguchi | 6-1,6-7,2-6 |
| Challenger Fergana Qual | 2018/06/18 05:00 | Roman Safiullin v Shuichi Sekiguchi | 4-6,6-2,4-6 |
| Challenger Fergana Qual | 2018/06/17 06:25 | Altug Celikbilek v Shuichi Sekiguchi | 2-6,1-6 |