Stadium: DHARMA Round: 25 Ground: Hardcourt outdoor
| ITF M15 Singapore | 2024/09/12 05:25 | Guillermo Olaso v Leo Vithoontien | 6-2,0-6,6-4 |
| ITF M15 Singapore | 2024/09/10 02:00 | Taiyo Yamanaka v Leo Vithoontien | 2-6,4-6 |
| ITF M25 Nakhon Si Thammarat | 2024/09/03 03:40 | Yurii Dzhavakian v Leo Vithoontien | 7-5,4-6,7-5 |
| ITF M25 Nakhon Si Thammarat | 2024/08/27 02:00 | Leo Vithoontien v Pawit Sornlaksup | 3-6,0-6 |
| ITF M15 Huntsville | 2024/08/17 15:00 | Leo Vithoontien v Tyler Zink | 4-6,1-6 |
| ITF M15 Huntsville | 2024/08/16 15:00 | Leo Vithoontien v Aleksa Ciric | 6-4,2-6,6-4 |
| ITF M15 Huntsville | 2024/08/15 15:00 | Colin Sinclair v Leo Vithoontien | 6-7,6-4,5-7 |
| ITF M15 Huntsville | 2024/08/14 15:40 | Vincent Rettke v Leo Vithoontien | 3-6,0-6 |
| ITF M25 Bali | 2024/09/16 03:30 | Issei Okamura v Jack Bruce-Smith | 6-1,6-3 |
| ITF M25 Bali | 2024/09/15 01:30 | Issei Okamura v Alexey Shtengelov | 6-2,6-2 |
| ITF M15 Singapore | 2024/09/11 04:05 | Aldin Setkic v Issei Okamura | 6-4,6-4 |
| ITF M15 Hong Kong | 2024/09/04 02:00 | Issei Okamura v Samir Banerjee | 3-6,4-6 |
| ITF M25 Hong Kong | 2024/08/29 02:00 | Alexey Zakharov v Issei Okamura | 6-3,6-3 |
| ITF M25 Hong Kong | 2024/08/27 08:20 | Kazuki Nishiwaki v Issei Okamura | 2-6,4-6 |
| ITF M25 Taipei | 2024/08/04 02:00 | Jeffrey Hsu v Issei Okamura | 2-6,6-1,9-11 |
| ITF M15 Tokyo | 2024/07/08 01:00 | Yusuke Kusuhara v Issei Okamura | 6-3,6-4 |