Stadium: Court 2 Round: 54 Ground: Hardcourt outdoor
| 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 M25 Nonthaburi | 2019/07/23 02:30 | Worarin Kumthonkittikul v Kunal Anand | 6-7,4-6 |
| ITF M25 Nonthaburi | 2019/07/22 02:30 | Shamirul S Mohd Adam Das v Worarin Kumthonkittikul | 4-6,6-2,6-10 |
| ITF M15 Singapore | 2019/06/12 06:30 | Worarin Kumthonkittikul v Christian Didier Chin | 6-3,6-7,1-6 |
| ITF M25 Nonthaburi | 2019/05/28 03:00 | Worarin Kumthonkittikul v Isaac Becroft | 3-6,2-6 |
| ITF M25 Nonthaburi | 2019/05/27 03:00 | Worarin Kumthonkittikul v Odeda Muhammad Arazza | 6-1,6-1 |
| ITF M15 Lambermont | 2019/08/20 08:00 | Glenn Smits v Arjun Mahadevan | 6-2,6-1 |
| ITF M15 Lambermont | 2019/08/19 10:10 | Benoit Lanckohr v Arjun Mahadevan | 5-7,3-6 |
| ITF M15 Trier | 2019/08/12 08:00 | Arjun Mahadevan v Joel Vincent Link | 3-6,4-6 |
| ITF M15 Wetzlar | 2019/08/05 12:00 | Adrian Oetzbach v Arjun Mahadevan | 6-4,6-2 |
| ITF M15 Singapore | 2019/06/11 06:00 | Atharva Sharma v Arjun Mahadevan | 3-6,7-5,13-11 |
| ITF M15 Singapore | 2019/06/03 04:30 | Arjun Mahadevan v Anthony Susanto | 0-6,6-7 |
| ITF M15 Kampala | 2019/05/21 06:30 | Joao M Nusdeo v Arjun Mahadevan | 6-4,7-6 |
| ITF M15 Kampala | 2019/05/20 14:25 | Dipanshu Garg v Arjun Mahadevan | 1-6,0-6 |