| ITF Thailand F9 | 2015/06/25 03:00 | Shuichi Sekiguchi v Karunuday Singh | 6-0,6-2 |
| Challenger Zhuhai Qual | 2017/03/06 06:30 | Shuichi Sekiguchi v Lorenzo Sonego | 3-6,4-6 |
| Challenger Zhuhai Qual | 2017/03/05 08:00 | Marc Polmans v Shuichi Sekiguchi | 2-6,4-6 |
| Challenger Zhuhai Qual | 2017/03/04 05:20 | Cheng-Yu Yu v Shuichi Sekiguchi | 6-3,4-6,6-7 |
| Challenger Yokohama Qual | 2017/02/27 01:00 | Brydan Klein v Shuichi Sekiguchi | 7-5,6-2 |
| Challenger Yokohama Qual | 2017/02/26 01:00 | Jimmy Wang v Shuichi Sekiguchi | 6-2,6-7,2-6 |
| Challenger Yokohama Qual | 2017/02/25 01:00 | Yusuke Takahashi v Shuichi Sekiguchi | 6-4,3-6,2-6 |
| Challenger Kyoto | 2017/02/21 01:30 | Tatsuma Ito v Shuichi Sekiguchi | 6-2,6-3 |
| Challenger Kyoto Qual | 2017/02/20 01:30 | Shuichi Sekiguchi v Evgeny Karlovskiy | 5-7,0-6 |
| ITF India F3 | 2017/03/01 06:30 | Karunuday Singh v Sanam Singh | 6-3,6-7,4-6 |
| ITF India F3 | 2017/02/27 05:00 | Karunuday Singh v Paramveer Singh Bajwa | 6-3,6-4 |
| ITF India F2 | 2017/02/22 04:30 | Kunal Anand v Karunuday Singh | 4-6,7-6,6-4 |
| ITF India F2 | 2017/02/21 04:30 | Kunal Anand v Karunuday Singh | 4-6,7-6,5-4 |
| ITF India F1 | 2017/02/14 10:00 | Sanam Singh v Karunuday Singh | 7-6,6-3 |
| ITF Indonesia F1 | 2017/02/11 03:00 | Fajing Sun v Karunuday Singh | 3-6,7-5,7-5 |
| ITF Indonesia F1 | 2017/02/09 03:00 | Karunuday Singh v Soichiro Moritani | 6-4,6-3 |
| ITF Indonesia F1 | 2017/02/07 04:25 | Cheong-Eui Kim v Karunuday Singh | 2-6,6-7 |