| Date | R | Home v Away | - |
|---|---|---|---|
| 04/08 07:30 | 26 |
Nicolas Moreno De Alboran
v
Issei Okamura
|
7-5,6-1 |
| 04/07 12:50 | 25 | Alexandros Skorilas v Issei Okamura | 5-7,2-6 |
| 03/31 14:10 | 25 | Issei Okamura v Petros Chrysochos | 2-6,4-6 |
| 03/30 07:30 | 62 | Issei Okamura v Lewie Lane | 6-4,1-6,10-6 |
| 03/29 11:30 | 62 | Issei Okamura v Ivan Mikhaylyuk | 6-1,6-2 |
| 03/28 14:30 | 62 | Issei Okamura v Michal Novansky | 6-1,6-1 |
| 03/21 17:30 | 62 | Issei Okamura v Tim Handel | 4-6,4-6 |
| 02/07 13:00 | 62 | Issei Okamura v Erik Crepaldi | 3-6,0-6 |
| 02/02 09:40 | 62 | Erik Crepaldi v Issei Okamura | 6-0,6-3 |
| 02/01 08:00 | 62 | Maikel De Boes v Issei Okamura | 3-6,1-6 |
| 01/31 10:30 | 62 | Issei Okamura v Taisei Ichikawa | 7-6,3-6,10-7 |
| 11/09 10:30 | 62 | Andres Gabriel Ciurletti v Issei Okamura | 4-6,6-4,11-9 |
| 11/08 12:30 | 62 | Shahar Gabay v Issei Okamura | 0-6,1-6 |
| 11/03 08:00 | 62 | Marat Deviatiarov v Issei Okamura | 6-0,6-1 |
| 11/02 08:00 | 62 | Alec Beckley v Issei Okamura | 3-6,2-6 |
| 11/01 08:00 | 62 |
Leo Borg
v
Issei Okamura
|
1-6,4-6 |
| 10/25 10:00 | 44 |
Issei Okamura v
Max Houkes
|
2-6,6-4,5-10 |
| 10/18 09:00 | 44 |
Issei Okamura v
Max Houkes
|
6-7,6-2,5-10 |
| 03/11 08:00 | 25 | Issei Okamura v Noah Thurner | 6-1,6-4 |
| 03/03 08:00 | 44 | Issei Okamura v Volodymyr Uzhylovskyi | 7-6,4-6,6-10 |
| 02/26 08:00 | 25 | Issei Okamura v Ryota Tanuma | 3-6,2-6 |
| 02/25 08:00 | 44 | Issei Okamura v Phuong Van Nguyen | 6-3,4-6,10-6 |
| 02/24 09:00 | 44 | Issei Okamura v Ismael C R Mzai | 6-3,3-6,10-5 |
| 02/20 09:40 | 26 | Issei Okamura v Jacopo Berrettini | 1-6,2-6 |
| 02/19 15:40 | 25 | Issei Okamura v Piotr Grynkowski | 6-3,7-5 |
Fajing Sun
Cheong-Eui Kim
Giordan Kunz
Takuto Niki
Benjamin Dhoe
Julian Ocleppo
Jumpei Yamasaki
Luca Tomasetto
Oscar Jose Gutierrez
Billy Harris
Vit Kopriva
Ken Onishi
Viktor Durasovic
Botic Van De Zandschulp
Patrik Nema
Michael Geerts
Alexander Erler
Ryota Tanuma
Connor Farren
Alexander Ovcharov
Markos Kalovelonis
Shuichi Sekiguchi
David Pichler
Maxime Pauwels
Mateusz Terczynski
Tobias Simon
Johan Nikles
Bart Van Den Berg
Jirat Navasirisomboon
Colin Van Beem