| Macau Open Qual | 10/29 01:30 | - | Yin Chak Chan v Kantawat Leelavechabutr | L | 2-0 | |
| Thailand Open Qual | 07/30 03:00 | - | Kantawat Leelavechabutr v Sourabh Verma | L | 0-2 | |
| Osaka Int. | 04/04 00:00 | - | Takuma Kawamoto v Kantawat Leelavechabutr | D |
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| Giraldilla Int. XD | 02/23 07:20 | - | Minoru Koga v Kantawat Leelavechabutr | L | 2-0 | |
| Giraldilla Int. XD | 02/22 07:30 | - | Daisuke Omoto v Kantawat Leelavechabutr | W | 0-2 | |
| Swiss Open WD Qual | 01/08 02:40 | 1 | Koki Watanabe v Kantawat Leelavechabutr | L | 2-1 | |
| Swiss Open WD Qual | 11/20 12:16 | - | Kantawat Leelavechabutr v Harsheel Dani | L | 0-2 | |
| Swiss Open WD Qual | 11/20 04:10 | - | Kantawat Leelavechabutr v Kartik Jindal | W | 1-0 | |
| Swiss Open WD Qual | 09/18 11:00 | 6 | Ikhsan L I Rumbay v Kantawat Leelavechabutr | L | 2-1 | |
| Giraldilla Int. XD | 08/08 14:59 | - | Kantawat Leelavechabutr v Wei Feng Chong | L | 0-2 | |
| Giraldilla Int. XD | 08/08 13:35 | 5 | Kantawat Leelavechabutr v Wei Feng Chong | L | 0-2 | |
| Giraldilla Int. XD | 08/07 13:20 | 6 | June Wei Cheam v Kantawat Leelavechabutr | W | 0-2 |