Stadion: Court 1 Round: 25 Ground: Hardcourt outdoor
| Challenger - Kobe | 2019/11/04 02:40 | Ben Patael v Shuichi Sekiguchi | 6-3,6-2 |
| Challenger Playford 2 | 2019/10/31 02:55 | Marc Polmans v Shuichi Sekiguchi | 6-3,6-4 |
| Challenger Playford 2 | 2019/10/29 02:20 | Matthew Romios v Shuichi Sekiguchi | 3-6,1-6 |
| Challenger - Traralgon | 2019/10/24 02:45 | Yasutaka Uchiyama v Shuichi Sekiguchi | 6-4,3-6,7-5 |
| Challenger - Traralgon | 2019/10/22 02:05 | Dayne Kelly v Shuichi Sekiguchi | 4-6,6-2,6-7 |
| Challenger - Ningbo | 2019/10/14 08:25 | Ji Sung Nam v Shuichi Sekiguchi | 6-1,6-1 |
| ITF - M25 - Tay Ninh | 2019/10/08 05:45 | Sidharth Rawat v Shuichi Sekiguchi | 0-6,1-6 |
| Challenger - Kaohsiung | 2019/09/17 12:15 | Shuichi Sekiguchi v Prajnesh Gunneswaran | 3-6,2-6 |
| Challenger - Pune | 2019/11/11 07:25 | Lakshit Sood v Roman Blokhin | 4-6,2-6 |
| ITF - M15 - Karshi | 2019/10/10 06:30 | Alibek Kachmazov v Roman Blokhin | 6-4,4-6,6-4 |
| ITF - M15 - Karshi | 2019/10/09 06:45 | Roman Blokhin v Saida'lo Saidkarimov | 6-4,7-6 |
| ITF - M15 - Karshi | 2019/10/08 07:20 | Maxim Krapivin v Roman Blokhin | 4-6,3-6 |
| ITF - M15 - Karshi | 2019/10/07 09:20 | Samandar Azamatov v Roman Blokhin | 1-6,2-6 |
| ITF - M15 - Kairo | 2019/09/18 10:00 | Edoardo Lavagno v Roman Blokhin | 6-1,7-5 |
| ITF - M15 - Kairo | 2019/09/17 08:00 | Edoardo Lavagno v Roman Blokhin | 6-2,6-2 |
| ITF - M15 - Kairo | 2019/09/16 09:00 | Aly Shokeir v Roman Blokhin | 6-4,4-6,6-10 |