stadio: Court 4 Round: 25 Ground: Clay
| ITF Repubblica Ceca F1 | 2018/05/14 08:00 | Marek Semjan v Martin Bugaj | 6-1,6-2 |
| ITF Turchia F12 | 2018/03/24 06:30 | Denis Klok v Martin Bugaj | 6-3,3-6,7-5 |
| ITF Turchia F11 | 2018/03/17 08:30 | Gabriel Donev v Martin Bugaj | 6-2,7-5 |
| ITF Cina F9 | 2018/07/06 03:00 | Min-Kyu Song v Shuichi Sekiguchi | 6-2,6-1 |
| ITF Cina F9 | 2018/07/05 04:35 | Chenhe Li v Shuichi Sekiguchi | 2-6,5-7 |
| ITF Cina 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 |
| Challenger Fergana - Qual. | 2018/06/16 09:40 | Shuichi Sekiguchi v Gerard Granollers-Pujol | 6-1,6-4 |
| Challenger Almaty - Qual. | 2018/06/10 04:30 | Shuichi Sekiguchi v Joao Menezes | 6-3,3-6,6-7 |