Round: 54 Ground: Hardcourt outdoor
| ITF M25 Darwin | 2019/09/25 00:30 | Vladyslav Orlov v Worarin Kumthonkittikul | 6-1,6-2 |
| ITF M25 Darwin | 2019/09/24 00:30 | Worarin Kumthonkittikul v Ashwin R Sharma | 6-1,3-6,12-10 |
| ITF M25 Darwin | 2019/09/23 05:45 | Worarin Kumthonkittikul v Matthew Leffler | 7-5,6-2 |
| ITF M25 Cairns | 2019/09/17 00:00 | Jake Delaney v Worarin Kumthonkittikul | 3-6,7-6,6-2 |
| ITF M15 Hua Hin | 2019/09/04 04:50 | Nitin Kumar Sinha v Worarin Kumthonkittikul | 4-6,6-0,6-3 |
| ITF M15 Hua Hin | 2019/08/21 06:55 | Worarin Kumthonkittikul v Sung Jun Park | 3-6,2-6 |
| ITF M25 Nonthaburi | 2019/07/30 02:30 | Takashi Saito v Worarin Kumthonkittikul | 6-2,6-4 |
| ITF M25 Nonthaburi | 2019/07/29 02:30 | Kittirat Kerdlaphee v Worarin Kumthonkittikul | 3-6,6-2,5-10 |
| ITF USA F23 Qual | 2016/06/25 15:30 | Yahor Kryvaruchka v Jason Legall | 3-6,1-6 |
| ITF Spain F12 Qual | 2015/05/01 07:30 | Yahor Kryvaruchka v Aleksei Nerushenko | 6-4,6-3 |