| 8. Round | 17/06/2023 | Riseisha High School [U18] | - | Nagoya Grampus [U18] | 1:2 |  |
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| 9. Round | 25/06/2023 | Nagoya Grampus [U18] | - | Vissel Kobe [U18] | 0:0 | ||||
| 10. Round | 02/07/2023 | Yokohama FC [U18] | - | Nagoya Grampus [U18] | 0:2 | ||||
| 11. Round | 09/07/2023 | Nagoya Grampus [U18] | - | Higashi Fukuoka High School [U18] | 3:2 | ||||
| 12. Round | 03/09/2023 | Nagoya Grampus [U18] | - | Sanfrecce Hiroshima [U18] | 1:4 | ||||
| 13. Round | 10/09/2023 | Sagan Tosu [U18] | - | Nagoya Grampus [U18] | 2:0 | ||||
| 14. Round | 17/09/2023 | Otsu High School [U18] | - | Nagoya Grampus [U18] | 2:0 | ||||
| 18. Round | 15/10/2023 | Nagoya Grampus [U18] | - | Riseisha High School [U18] | 2:2 |
Japan