| Challenger Bangkok Qual | 01/07 07:05 | 46 | Daniiar Duldaev v Chaleechan Tanasugarn | 6-4,6-2 | |
| Challenger Bangkok Qual | 01/06 04:00 | 45 | Chaleechan Tanasugarn v Tanakorn Srirat | 6-0,6-2 | |
| Challenger Bangkok Qual | 12/30 05:50 | 45 | Sidharth Rawat v Chaleechan Tanasugarn | 6-2,6-0 | |
| Challenger Bangkok 2 | 01/09 09:45 | 25 | Jurgen Zopp v Chaleechan Tanasugarn | 6-0,6-0 | |
| Challenger Bangkok Qual | 01/01 04:00 | 46 | Chaleechan Tanasugarn v Albano Olivetti | 1-6,3-6 | |
| Challenger Bangkok Qual | 12/31 04:05 | 45 | Worarin Kumthonkittikul v Chaleechan Tanasugarn | 2-6,6-4,4-6 | |
| ITF Thailand F4 | 12/10 08:00 | 44 | Suraj R Prabodh v Chaleechan Tanasugarn | 6-3,6-2 | |
| ITF Thailand F4 | 12/10 03:30 | 44 | Chaleechan Tanasugarn v Maksim Malyshev | 6-4,2-6,7-6 | |
| ITF Thailand F3 Qual | 09/03 07:30 | 54 | Huixin Wang v Chaleechan Tanasugarn | 6-4,7-5 | |
| Challenger Bangkok 4 | 08/28 04:00 | 46 | Xin Gao v Chaleechan Tanasugarn | 6-1,6-4 | |
| Challenger Bangkok 4 | 08/27 04:00 | 45 | Chaleechan Tanasugarn v Werapath Sirijatiyaporn | 7-5,6-3 | |
| ITF Thailand F4 | 08/20 06:00 | 54 | Xi Qi v Chaleechan Tanasugarn | 6-4,6-0 | |
| ITF Thailand F9 | 11/30 03:00 | 25 | Chaleechan Tanasugarn v Xin Gao | 2-6,4-6 | |
| ITF Thailand F9 | 08/11 03:00 | 25 | Chaleechan Tanasugarn v Toshihide Matsui | 5-7,6-1,6-7 | |
| ITF Thailand F9 | 08/09 04:50 | 54 | Chaleechan Tanasugarn v Rashein Samuel | 6-3,7-6 | |
| ITF Thailand F9 | 08/08 05:00 | 54 | Chaleechan Tanasugarn v Kittirat Kerdlaphee | 6-2,6-2 | |
| ITF Thailand F9 | 08/04 06:00 | 25 | Phassawit Bura'ritta v Chaleechan Tanasugarn | 6-4,6-1 | |
| ITF Thailand F9 | 08/01 04:00 | 54 | Chaleechan Tanasugarn v Medhir Goyal | 6-1,6-1 | |
| ITF Thailand F9 | 06/22 04:10 | - | Pruchya Isarow v Chaleechan Tanasugarn | 6-3,6-0 | |
| ITF Thailand F9 | 06/16 07:40 | - | Akira Santillan v Chaleechan Tanasugarn | 6-4,6-2 | |
| ITF Thailand F9 | 05/05 03:00 | - | Mohit Mayur Jayaprakash v Chaleechan Tanasugarn | 6-0,6-2 | |
| ITF Thailand F9 | 05/03 04:00 | - | Chaleechan Tanasugarn v Punn Bodhidatta | 6-3,6-3 | |
| ITF Thailand F9 | 05/02 05:30 | - | Chaleechan Tanasugarn v Saranpong Borisutpong | 6-4,7-5 | |
| ITF Thailand F9 | 04/26 05:00 | - | Zach Itzstein v Chaleechan Tanasugarn | 6-4,6-0 | |
| ITF Thailand F9 | 04/25 03:00 | - | Mohd Assri Merzuki v Chaleechan Tanasugarn | Retired | |
| ITF Indonesia F3 | 04/16 04:15 | - | Chaleechan Tanasugarn v Kento Takeuchi | 0-6,1-6 | |
| ITF Indonesia F3 | 04/15 03:00 | - | Punn Bodhidatta v Chaleechan Tanasugarn | 6-7,3-6 | |
| ITF Thailand F10 | 11/24 05:35 | - | Chaleechan Tanasugarn v Jacob Grills | 2-6,1-6 | |
| ITF Thailand F10 | 07/01 07:05 | - | Ko Suzuki v Chaleechan Tanasugarn | 6-1,6-3 | |
| ITF Thailand F10 | 06/29 05:30 | - | Marious Zelba v Chaleechan Tanasugarn | 5-7,6-3,5-7 |