Stadion: Court 9 Round: 26 Ground: Grass
| ITF M25 Albury | 2019/02/27 02:15 | Colin Sinclair v Issei Okamura | 6-7,6-2,4-6 |
| ITF M25 Albury | 2019/02/25 23:30 | Issei Okamura v Calum Puttergill | 6-3,3-6,10-6 |
| ITF M25 Albury | 2019/02/24 23:30 | Issei Okamura v Mislav Bosnjak | 6-2,7-6 |
| ITF - M15 - Anning | 2019/01/10 04:30 | Issei Okamura v Naoki Tajima | 6-4,3-6,4-6 |
| ITF - M15 - Anning | 2019/01/08 02:30 | Ti Chen v Issei Okamura | 2-6,5-7 |
| ITF - M15 - Anning | 2019/01/01 04:40 | Tao Mu v Issei Okamura | 3-6,6-2,7-5 |
| ITF - Hong Kong F3 | 2018/12/26 03:00 | Riccardo Bonadio v Issei Okamura | 6-3,7-5 |
| ITF - Hong Kong F3 | 2018/12/25 09:35 | Issei Okamura v Yuki Mochizuki | 7-6,7-6 |
| ITF M25 Albury | 2019/02/27 02:50 | Alexander Crnokrak v James Frawley | 6-3,6-1 |
| ITF - M15 - Antalya | 2019/02/11 07:00 | Alexander Crnokrak v Florent Diep | 0-6,0-6 |
| ITF - M15 - Antalya | 2019/02/05 10:35 | Bruno Santanna v Alexander Crnokrak | 6-2,4-6,6-2 |
| ITF - M15 - Antalya | 2019/02/01 07:00 | Alexander Crnokrak v Bogdan Borza | 4-6,6-3,5-10 |
| ITF - M15 - Antalya | 2019/01/27 09:15 | Alexander Crnokrak v Juan Manuel Cerundolo | 2-6,1-6 |
| ITF - M15 - Antalya | 2019/01/22 13:00 | Matej Sabanov v Alexander Crnokrak | 6-2,6-0 |
| ITF - M15 - Antalya | 2019/01/22 07:00 | Alexander Crnokrak v Valentin Vanta | 6-2,6-2 |
| ITF - M15 - Antalya | 2019/01/16 07:00 | Razvan M Codescu v Alexander Crnokrak | 5-7,6-3,10-7 |