Stadium: Center Court Round: 24 Ground: Hardcourt outdoor
| Challenger Da Nang | 2019/01/06 03:00 | Viktor Durasovic v Shuichi Sekiguchi | 6-3,6-2 |
| ITF M25 Hong Kong | 2019/01/02 02:55 | Shuichi Sekiguchi v Carlos Boluda-Purkiss | 5-7,4-6 |
| Challenger Kobe | 2018/11/13 07:50 | Jordi Samper-Montana v Shuichi Sekiguchi | 6-4,6-1 |
| ITF Vietnam F4 | 2018/10/25 03:00 | Shuichi Sekiguchi v Filip Bergevi | 3-6,4-6 |
| ITF Vietnam F4 | 2018/10/23 05:20 | Shuichi Sekiguchi v Billy Harris | 7-6,4-6,7-6 |
| ITF Slovakia F3 | 2018/08/07 11:25 | Samm Butler v Shuichi Sekiguchi | 6-1,7-6 |
| 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 M25 Aktobe | 2019/02/14 06:20 | Dostanbek Tashbulatov v Timur Kiyamov | 4-6,0-6 |
| ITF M15 Antalya | 2019/01/25 07:00 | Dostanbek Tashbulatov v Alexander Ovcharov | 6-3,1-6,8-10 |
| ITF M15 Antalya | 2019/01/22 13:00 | Dostanbek Tashbulatov v Alexander Ovcharov | 4-6,0-6 |
| ITF M15 Antalya | 2019/01/22 10:00 | Pavle Daljev v Dostanbek Tashbulatov | 7-6,5-7,5-10 |
| ITF M15 Antalya | 2019/01/16 07:00 | Matej Sabanov v Dostanbek Tashbulatov | 6-1,6-3 |
| ITF M15 Antalya | 2019/01/14 07:00 | Dostanbek Tashbulatov v Gianmarco Ferrari | 6-2,7-5 |
| Challenger Almaty 2 | 2018/10/02 05:20 | Aleksandr Nedovyesov v Dostanbek Tashbulatov | 6-3,6-1 |
| ITF Kazakhstan F8 | 2018/09/25 08:40 | Dostanbek Tashbulatov v Shalva Dzhanashia | 2-6,2-6 |