Stadium: Court B Round: 54 Ground: Hardcourt outdoor
| ITF M25 Nonthaburi | 2019/05/20 03:00 | Worarin Kumthonkittikul v Vorachon Rakpuangchon | 6-3,6-1 |
| ITF M25 Namangan | 2019/04/30 09:15 | Ivan Liutarevich v Worarin Kumthonkittikul | 6-4,6-4 |
| ITF M25 Namangan | 2019/04/29 08:00 | Khumoun Abdumalikov v Worarin Kumthonkittikul | 5-7,2-6 |
| ITF M25 Andijan | 2019/04/22 08:00 | Igor Shrolik v Worarin Kumthonkittikul | 6-4,7-5 |
| ITF M15 Tel Aviv | 2019/03/27 08:00 | Joshua Paris v Worarin Kumthonkittikul | 4-6,6-1,6-2 |
| ITF M15 Tel Aviv | 2019/03/26 11:30 | Emmanuel Luria v Worarin Kumthonkittikul | 6-4,2-6,2-10 |
| ITF M15 Tel Aviv | 2019/03/26 07:30 | Rotem Sobol v Worarin Kumthonkittikul | 2-6,1-6 |
| ITF M15 Manama | 2019/03/20 09:55 | Worarin Kumthonkittikul v Tim Van Rijthoven | 1-6,2-6 |
| ITF M25 Nonthaburi | 2019/05/20 03:00 | Pawin Jirapoomdaje v Kittirat Kerdlaphee | 4-6,4-6 |
| ITF Thailand F9 | 2018/11/10 03:00 | Kittirat Kerdlaphee v Yu Hsiang Chiu | 2-6,5-7 |
| ITF Thailand F8 | 2018/11/04 02:00 | Karl Friberg v Kittirat Kerdlaphee | 3-6,6-3,6-2 |
| ITF Thailand F8 | 2018/11/03 02:00 | Yuttana Charoenphon v Kittirat Kerdlaphee | 2-6,2-6 |
| ITF Thailand F7 | 2018/10/30 03:50 | Matic Spec v Kittirat Kerdlaphee | 6-1,6-0 |
| ITF Thailand F5 | 2018/10/01 02:30 | Shunrou Takeshima v Kittirat Kerdlaphee | 6-1,6-3 |
| ITF Thailand F5 | 2018/09/30 02:30 | Nawakarn Khunjan v Kittirat Kerdlaphee | 4-6,4-6 |
| ITF Thailand F4 | 2018/09/24 02:30 | Maxence Broville v Kittirat Kerdlaphee | 7-6,2-6,6-1 |