| UTR Pro Beenleigh | 08/31 05:00 | - | Yuchen Guo v Haruto Ishikawa | 6-3,6-0 | |
| UTR Pro Beenleigh | 08/29 00:30 | - | Haruto Ishikawa v Lachlan Mcfadzean | 0-6,2-6 | |
| UTR Pro Beenleigh | 08/27 23:00 | - | Haruto Ishikawa v Harrison Brown | 0-6,2-6 | |
| UTR Pro Beenleigh | 08/27 02:00 | - | Haruto Ishikawa v Cooper Kose | 0-6,2-6 | |
| UTR Pro Beenleigh | 08/26 10:30 | - | Haruto Ishikawa v Paul Howe | 6-4,4-6,6-0 | |
| ITF M25 Hammamet | 04/14 10:30 | 62 | Thomas Drayton v Haruto Ishikawa | 6-2,6-2 | |
| ITF M25 Hammamet | 04/07 08:30 | 62 | Giuseppe Tresca v Haruto Ishikawa | 6-1,6-3 | |
| Challenger Barcelona | 03/31 11:50 | 14 | Haruto Ishikawa v Carlos Taberner | 0-6,1-6 |