| 1. Round | 02/04/2023 | Sanfrecce Hiroshima [U18] | - | Nagoya Grampus [U18] | 2:5 |  |
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| 2. Round | 09/04/2023 | Nagoya Grampus [U18] | - | Sagan Tosu [U18] | 2:0 | ||||
| 3. Round | 16/04/2023 | Júbilo Iwata [U18] | - | Nagoya Grampus [U18] | 0:2 | ||||
| 4. Round | 23/04/2023 | Nagoya Grampus [U18] | - | Otsu High School [U18] | 2:2 | |
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| 5. Round | 07/05/2023 | Yonago North High School [U18] | - | Nagoya Grampus [U18] | 3:2 | ||||
| 6. Round | 14/05/2023 | Nagoya Grampus [U18] | - | Shizuoka Gakuen [U18] | 1:1 | |
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| 7. Round | 20/05/2023 | Nagoya Grampus [U18] | - | Kamimura Gakuen [U18] | 1:2 | |
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| 11. Round | 09/07/2023 | Nagoya Grampus [U18] | - | Higashi Fukuoka High School [U18] | 3:2 | ||||
| 19. Round | 22/10/2023 | Shizuoka Gakuen [U18] | - | Nagoya Grampus [U18] | 1:0 |  |
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| 20. Round | 19/11/2023 | Vissel Kobe [U18] | - | Nagoya Grampus [U18] | 3:0 | ||||
| 21. Round | 26/11/2023 | Nagoya Grampus [U18] | - | Yokohama FC [U18] | 2:1 | |
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| 22. Round | 03/12/2023 | Higashi Fukuoka High School [U18] | - | Nagoya Grampus [U18] | 1:0 |
Japan