Stadium: Court 13 Round: 27 Ground: Hardcourt outdoor
| Challenger Yokohama Qual | 2017/02/25 01:00 | Yusuke Takahashi v Shuichi Sekiguchi | 6-4,3-6,2-6 |
| ITF M25 Hong Kong | 2019/06/06 02:00 | Shuichi Sekiguchi v Xin Gao | 6-3,6-1 |
| ITF M25 Hong Kong | 2019/06/04 05:25 | Shuichi Sekiguchi v Wai Yu Kai | 6-2,6-1 |
| ITF M25 Nonthaburi | 2019/05/31 04:40 | Rio Noguchi v Shuichi Sekiguchi | 7-5,5-7,6-1 |
| ITF M25 Nonthaburi | 2019/05/30 10:10 | Chayanon Kaewsuto v Shuichi Sekiguchi | 2-6,7-5,4-6 |
| ITF M25 Nonthaburi | 2019/05/29 06:35 | Adil Kalyanpur v Shuichi Sekiguchi | 6-7,4-6 |
| ITF M25 Nonthaburi | 2019/05/26 03:00 | Ji Sung Nam v Shuichi Sekiguchi | 1-6,4-6 |
| ITF M25 Nonthaburi | 2019/05/25 05:15 | Harry Bourchier v Shuichi Sekiguchi | 4-6,4-6 |
| ITF M25 Nonthaburi | 2019/05/24 04:45 | Shuichi Sekiguchi v Kelsey Stevenson | 7-6,6-2 |
| ITF M25 Hong Kong | 2019/06/06 03:30 | Jose Fco. Vidal Azorin v Yusuke Takahashi | 2-6,6-7 |
| ITF M25 Hong Kong | 2019/06/05 05:55 | Isaac Becroft v Yusuke Takahashi | 4-6,3-6 |
| ITF M25 Nonthaburi | 2019/05/23 03:00 | Kelsey Stevenson v Yusuke Takahashi | 1-6,6-4,6-2 |
| ITF M25 Nonthaburi | 2019/05/21 09:15 | Pol Wattanakul v Yusuke Takahashi | 4-6,4-6 |
| Challenger Gwangju | 2019/05/14 06:05 | Yusuke Takahashi v Mukund Sasikumar | 1-6,4-6 |
| Challenger Gwangju | 2019/05/13 02:00 | Yusuke Takahashi v Blake Ellis | 0-0 |
| Challenger Puerto Vallarta | 2019/05/03 22:00 | John-Patrick Smith v Yusuke Takahashi | 6-3,6-4 |
| Challenger Puerto Vallarta | 2019/05/02 21:35 | Yusuke Takahashi v James Ward | 2-6,6-4,6-3 |