Stadium: Centre Court Round: 25 Ground: Hardcourt outdoor
| Hua Hin, Singles M-ITF-THA-07A | 2019/09/03 04:00 | Saito, Takashi v Wei-De Lin | 7-6,6-3 |
| Hua Hin, Singles M-ITF-THA-07A | 2019/09/02 05:20 | Saito, Takashi v Kaewsuto, Chayanon | 6-3,6-2 |
| Hua Hin, Singles M-ITF-THA-07A | 2019/09/01 02:00 | Yu Hsiou Hsu v Saito, Takashi | 6-0,3-6,6-4 |
| Hua Hin, Singles M-ITF-THA-07A | 2019/08/30 03:00 | Saito, Takashi v Kelly, Dayne | 1-6,6-3,6-4 |
| Hua Hin, Singles M-ITF-THA-07A | 2019/08/28 03:00 | Saito, Takashi v Lo, Chien Hsun | 6-1,6-1 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2019/08/13 07:00 | Tsung-Hao Huang v Saito, Takashi | 6-2,6-7,10-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2019/08/12 02:30 | Ramadhani, Muhammad Ali Akbar v Saito, Takashi | 0-6,0-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2019/08/10 03:00 | Saito, Takashi v Vladyslav Orlov | 0-6,2-6 |
| Hua Hin, Singles M-ITF-THA-07A | 2019/08/29 03:00 | Yuttana Charoenphon v Ehara, Hiroyasu | 1-6,0-6 |
| Hua Hin, Singles M-ITF-THA-07A | 2019/08/21 04:25 | Yuttana Charoenphon v Jeong, Young-Hoon | 1-6,7-6,1-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2019/08/05 03:00 | Crnokrak, Alexander v Yuttana Charoenphon | 6-1,6-0 |
| Nonthaburi, Singles M-ITF-THA-01A | 2019/07/30 02:30 | Yuttana Charoenphon v Siddharth Vishwakarma | 1-6,4-6 |
| Nonthaburi, Singles M-ITF-THA-01A | 2019/07/29 02:30 | Billy Harris v Yuttana Charoenphon | 6-7,7-5,5-10 |
| Nonthaburi, Singles M-ITF-THA-01A | 2019/05/29 03:00 | Yuttana Charoenphon v Alexander Klintcharov | 1-6,6-3,3-6 |
| Nonthaburi, Singles M-ITF-THA-01A | 2019/05/28 03:00 | Alcantara, Francis Casey v Yuttana Charoenphon | 6-3,1-6,4-10 |
| Nonthaburi, Singles M-ITF-THA-01A | 2019/05/27 03:00 | Sincharoenwattana, Nutdanai v Yuttana Charoenphon | 6-7,6-1,7-10 |