Stadium: Court 5 Round: 54 Ground: Hardcourt outdoor
| ITF - M15 Yanagawa | 2023/12/25 00:30 | Issei Okamura v Jay Friend | 2-6,2-6 |
| ITF - M15 Al Zahra | 2023/11/02 10:30 | Issei Okamura v Niklas Schell | 6-7,1-6 |
| ITF - M15 Al Zahra | 2023/11/01 11:30 | Ali Alshati v Issei Okamura | 3-6,1-6 |
| ITF M25 - Darwin | 2023/09/19 08:50 | Issei Okamura v Zak Talic | 6-7,6-3,3-6 |
| ITF M25 - Darwin | 2023/09/14 05:25 | Brandon Walkin v Issei Okamura | 6-7,6-2,6-3 |
| ITF M25 - Darwin | 2023/09/13 05:25 | Issei Okamura v Mason Naumovski | 6-4,4-6,6-4 |
| ITF - M25 Sapporo | 2023/09/07 02:40 | Sora Fukuda v Issei Okamura | 6-1,6-2 |
| ITF - M25 Sapporo | 2023/09/05 04:15 | Issei Okamura v Seiya Nakanishi | 6-1,6-1 |
| ITF - M15 Monastir | 2023/12/03 10:30 | Vivek Kolluru v Romeo Hadzimehmedovic | 5-7,3-6 |
| ITF M25 Skopje | 2023/06/05 14:00 | Luca Nari v Vivek Kolluru | 6-4,6-1 |
| ITF - M25 Valldoreix | 2023/05/07 11:30 | Aleksandr Braynin v Vivek Kolluru | 6-0,6-1 |
| ITF - M25 Santa Margherita | 2023/04/30 08:00 | Mikalai Haliak v Vivek Kolluru | 6-0,6-2 |
| ITF M25 - Reus | 2023/04/02 12:00 | Vivek Kolluru v Valentin Rakotondrasoa | 6-3,6-2 |
| ITF - M25 Palmanova | 2023/03/18 09:00 | Ye Hongyu v Vivek Kolluru | 6-2,6-1 |
| ITF - M15 Poreč | 2023/03/05 11:30 | Twan Van Zijl v Vivek Kolluru | 6-3,2-6,10-8 |
| ITF M25 Faro | 2023/02/20 10:00 | Vivek Kolluru v John Echeverria | 1-6,0-6 |