| 1. Round | 02/04/2023 | Sanfrecce Hiroshima [U18] | - | Nagoya Grampus [U18] | 2:5 | ||||
| 2. Round | 08/04/2023 | Riseisha High School [U18] | - | Sanfrecce Hiroshima [U18] | 0:1 | ||||
| 3. Round | 16/04/2023 | Sanfrecce Hiroshima [U18] | - | Vissel Kobe [U18] | 3:0 | ||||
| 4. Round | 23/04/2023 | Yokohama FC [U18] | - | Sanfrecce Hiroshima [U18] | 1:1 | ||||
| 5. Round | 06/05/2023 | Sanfrecce Hiroshima [U18] | - | Higashi Fukuoka High School [U18] | 4:0 | ||||
| 6. Round | 14/05/2023 | Sagan Tosu [U18] | - | Sanfrecce Hiroshima [U18] | 1:1 | ||||
| 7. Round | 21/05/2023 | Shizuoka Gakuen [U18] | - | Sanfrecce Hiroshima [U18] | 3:2 | ||||
| 12. Round | 03/09/2023 | Nagoya Grampus [U18] | - | Sanfrecce Hiroshima [U18] | 1:4 | ||||
| 13. Round | 10/09/2023 | Sanfrecce Hiroshima [U18] | - | Riseisha High School [U18] | 3:0 | ||||
| 14. Round | 18/09/2023 | Sanfrecce Hiroshima [U18] | - | Yokohama FC [U18] | 3:0 | ||||
| 20. Round | 19/11/2023 | Sanfrecce Hiroshima [U18] | - | Otsu High School [U18] | 2:1 |
Japan