| Open d'Angleterre | 03/11 12:45 | 5 | Lin, Dan v Kunlavut Vitidsarn | L | 2-1 | |
| Masters d'Espagne | 02/23 10:00 | 1 | Viktor Axelsen v Kunlavut Vitidsarn | L | 2-0 | |
| Masters d'Espagne | 02/22 11:20 | 2 | Jayaram, Ajay v Kunlavut Vitidsarn | W | 0-2 | |
| Masters d'Espagne | 02/21 14:40 | 3 | Kunlavut Vitidsarn v Sameer Verma | W | 2-1 | |
| Masters d'Espagne | 02/20 15:55 | 4 | Kunlavut Vitidsarn v Nhat Nguyen | W | 2-0 | |
| Masters d'Espagne | 02/19 10:20 | 5 | Kunlavut Vitidsarn v Nilsson, Jacob | W | 2-0 | |
| Asia Team Championships | 02/12 09:00 | - | Koki Watanabe v Kunlavut Vitidsarn | W | 1-2 | |
| Masters de Thaïlande | 01/25 06:40 | 2 | Kunlavut Vitidsarn v Kenta Nishimoto | L | 0-2 | |
| Masters de Thaïlande | 01/24 06:45 | 3 | Kunlavut Vitidsarn v Avihingsanon, Suppanyu | W | 2-0 | |
| Masters de Thaïlande | 01/23 11:00 | 4 | Joo Ven Soong v Kunlavut Vitidsarn | W | 1-2 | |
| Masters de Thaïlande | 01/22 12:45 | 5 | Malkov, Vladimir v Kunlavut Vitidsarn | W | 0-2 | |
| Syed Modi Int. | 11/29 09:00 | 3 | Verma, Sourabh v Kunlavut Vitidsarn | L | 2-0 | |
| Syed Modi Int. | 11/28 08:00 | 4 | Kunlavut Vitidsarn v Sai Praneeth, B. | W | 2-0 | |
| Syed Modi Int. | 11/27 06:25 | 5 | Kunlavut Vitidsarn v Yadav Chittaboina, Rahul | W | 2-0 | |
| Korea Masters | 11/21 07:25 | 4 | Koki Watanabe v Kunlavut Vitidsarn | L | 2-0 | |
| Korea Masters | 11/20 10:30 | 5 | Shi Feng Li v Kunlavut Vitidsarn | W | 0-2 | |
| Macau Open 2019, MS | 11/01 04:40 | 3 | Kantaphon Wangcharoen v Kunlavut Vitidsarn | L | 2-0 | |
| Macau Open 2019, MS | 10/31 07:35 | 4 | Xiaodong Sheng v Kunlavut Vitidsarn | W | 0-2 | |
| Macau Open 2019, MS | 10/30 07:40 | 5 | Pang Fong Pui v Kunlavut Vitidsarn | W | 0-2 | |
| Korea Open | 09/25 05:40 | 5 | Kento Momota v Kunlavut Vitidsarn | L | 2-0 | |
| Korea Open 2019, MS, Qualification | 09/24 05:00 | - | Huang, P,-H. v Kunlavut Vitidsarn | W | 0-2 | |
| Korea Open 2019, MS, Qualification | 09/24 01:00 | - | Kar Lung Chun v Kunlavut Vitidsarn | W | 0-2 | |
| Vietnam Open | 09/12 03:20 | 5 | Koga, Minoru v Kunlavut Vitidsarn | L | 2-1 | |
| Chinese Taipei Open 2019, MS | 09/04 09:55 | 5 | Kunlavut Vitidsarn v Shesar Hiren Rhustavito | L | 1-2 | |
| Akita Masters 2019, MS | 08/14 00:00 | 5 | Lam, Jeffrey v Kunlavut Vitidsarn | - | Walkover | |
| Open de Thaïlande - Qualif. | 07/30 03:45 | - | Kuncoro, Sony Dwi v Kunlavut Vitidsarn | L | 2-0 | |
| Spanish Int. | 06/15 15:30 | - | Kunlavut Vitidsarn v Toby Penty | W | 2-0 | |
| Spanish Int. | 06/15 08:45 | - | Kunlavut Vitidsarn v Zulkarnain, I. | W | 2-0 | |
| Spanish Int. | 06/14 12:00 | - | Rasmus Gemke v Kunlavut Vitidsarn | W | 0-2 | |
| Finnish Open | 04/07 07:30 | - | Chun-Yi Lin v Kunlavut Vitidsarn | W | 1-2 |