| Giraldilla Int. XD | 2018/07/25 06:10 | Sitthikom Thammasin v Kodai Naraoka | W | 2-0 |
| Macau Open | 2019/10/31 05:20 | Dong Keun Lee v Sitthikom Thammasin | W | 0-2 |
| Macau Open | 2019/10/30 02:20 | Joo Ven Soong v Sitthikom Thammasin | W | 1-2 |
| French Open | 2019/10/22 10:50 | Sitthikom Thammasin v Shesar Hiren Rhustavito | L | 0-2 |
| Denmark Open | 2019/10/18 14:20 | Sitthikom Thammasin v Tommy Sugiarto | L | 0-2 |
| Denmark Open | 2019/10/17 07:20 | Mark Caljouw v Sitthikom Thammasin | W | 1-2 |
| Denmark Open | 2019/10/15 07:20 | Sitthikom Thammasin v Parupalli Kashyap | W | 2-0 |
| Coreea - Open | 2019/09/25 12:00 | Sitthikom Thammasin v Tien Chen Chou | L | 0-2 |
| China Open | 2019/09/17 03:30 | Daren Liew v Sitthikom Thammasin | L | 2-1 |
| Macau Open | 2019/10/31 06:05 | Brice Leverdez v Kodai Naraoka | W | 1-2 |
| Macau Open | 2019/10/30 03:40 | Suppanyu Avihingsanon v Kodai Naraoka | W | 0-2 |
| Vietnam Open | 2019/09/12 04:00 | Kodai Naraoka v Sourabh Verma | L | 0-2 |
| Vietnam Open | 2019/09/11 13:40 | Sony Dwi Kuncoro v Kodai Naraoka | W | 0-2 |
| Akita Masters | 2019/08/14 03:30 | Kazumasa Sakai v Kodai Naraoka | L | 2-0 |
| Akita Masters | 2019/08/13 01:10 | Kodai Naraoka v Farouk Mohammed Hassan | W | 2-0 |
| Russia Open | 2019/07/20 03:00 | Kodai Naraoka v Kean Yew Loh | L | 0-2 |
| Russia Open | 2019/07/19 04:00 | Kodai Naraoka v Nhat Nguyen | W | 2-0 |