| 2023.03.19 | Kochi United FC | 0-1 | ReinMeer Aomori F.C. | Home | Ave. Age | 24.8y.o. | Ave. Change Time | 68.8min. |
| 2023.03.26 | Kochi United FC | 1-0 | Okinawa SV | Home | Ave. Age | 25.2y.o. | Ave. Change Time | 71.8min. |
| 2023.04.02 | Reilac Shiga | 1-0 | Kochi United FC | Away | Ave. Age | 25.8y.o. | Ave. Change Time | 71.6min. |
| 2023.04.09 | Kochi United FC | 2-0 | Sony Sendai FC | Home | Ave. Age | 25.8y.o. | Ave. Change Time | 71.8min. |
| 2023.04.15 | Briobecca Urayasu Ichikawa | 1-3 | Kochi United FC | Away | Ave. Age | 25.4y.o. | Ave. Change Time | 74.0min. |
| 2023.04.30 | Kochi United FC | 0-0 | MinebeaMitsumi FC | Home | Ave. Age | 24.8y.o. | Ave. Change Time | 68.6min. |
| 2023.05.13 | FC Maruyasu Okazaki | 2-2 | Kochi United FC | Away | Ave. Age | 23.9y.o. | Ave. Change Time | 70.4min. |
| 2023.05.21 | Belugarosso Iwami | 1-2 | Kochi United FC | Ave. Age | 24.5y.o. | Ave. Change Time | 85.5min. | |
| 2023.05.27 | Kochi United FC | 0-0 | FC TIAMO Hirakata | Home | Ave. Age | 24.4y.o. | Ave. Change Time | 73.0min. |
| 2023.06.04 | Veertien Mie | 3-2 | Kochi United FC | Away | Ave. Age | 24.4y.o. | Ave. Change Time | 67.0min. |
| 2023.06.07 | Gamba Osaka | 1-2 | Kochi United FC | Ave. Age | 25.1y.o. | Ave. Change Time | 73.3min. | |
| 2023.06.11 | Kochi United FC | 0-1 | Yokogawa Musashino FC | Home | Ave. Age | 24.7y.o. | Ave. Change Time | 66.5min. |
| 2023.06.18 | Atletico Suzuka | 1-0 | Kochi United FC | Away | Ave. Age | 25.0y.o. | Ave. Change Time | 61.7min. |
| 2023.06.25 | Kochi United FC | 2-0 | Verspah Oita | Home | Ave. Age | 24.4y.o. | Ave. Change Time | 72.0min. |
| 2023.07.01 | Honda FC | 1-0 | Kochi United FC | Away | Ave. Age | 25.2y.o. | Ave. Change Time | 65.4min. |
| 2023.07.09 | Kochi United FC | 1-0 | Criacao Shinjuku | Home | Ave. Age | 23.9y.o. | Ave. Change Time | 79.3min. |
| 2023.07.12 | Kochi United FC | 1-0 | Yokohama FC | Ave. Age | 25.1y.o. | Ave. Change Time | 65.6min. | |
| 2023.07.23 | ReinMeer Aomori F.C. | 1-0 | Kochi United FC | Away | Ave. Age | 24.7y.o. | Ave. Change Time | 65.0min. |
| 2023.07.30 | Kochi United FC | 2-1 | FC Maruyasu Okazaki | Home | Ave. Age | 24.9y.o. | Ave. Change Time | 71.0min. |
| 2023.08.02 | Kawasaki Frontale | 1-0 | Kochi United FC | Ave. Age | 25.1y.o. | Ave. Change Time | 69.8min. | |
| 2023.09.02 | FC TIAMO Hirakata | 2-1 | Kochi United FC | Away | Ave. Age | 25.3y.o. | Ave. Change Time | 70.4min. |
| 2023.09.10 | Kochi United FC | 1-0 | Veertien Mie | Home | Ave. Age | 25.3y.o. | Ave. Change Time | 79.0min. |
| 2023.09.17 | Yokogawa Musashino FC | 0-2 | Kochi United FC | Away | Ave. Age | 24.6y.o. | Ave. Change Time | 78.0min. |
| 2023.09.24 | Sony Sendai FC | 3-3 | Kochi United FC | Away | Ave. Age | 24.4y.o. | Ave. Change Time | 76.4min. |
| 2023.10.01 | Kochi United FC | 1-1 | Reilac Shiga | Home | Ave. Age | 24.8y.o. | Ave. Change Time | 70.4min. |
| 2023.10.08 | Okinawa SV | 1-0 | Kochi United FC | Away | Ave. Age | 25.2y.o. | Ave. Change Time | 68.4min. |
| 2023.10.22 | Criacao Shinjuku | 0-1 | Kochi United FC | Away | Ave. Age | 24.8y.o. | Ave. Change Time | 73.0min. |
| 2023.10.29 | Kochi United FC | 1-1 | Honda FC | Home | Ave. Age | 24.5y.o. | Ave. Change Time | 71.3min. |
| 2023.11.05 | MinebeaMitsumi FC | 2-1 | Kochi United FC | Away | Ave. Age | 24.5y.o. | Ave. Change Time | 61.0min. |
| 2023.11.11 | Kochi United FC | 2-1 | Briobecca Urayasu Ichikawa | Home | Ave. Age | 25.0y.o. | Ave. Change Time | 78.7min. |
| 2023.11.19 | Kochi United FC | 2-2 | Atletico Suzuka | Home | Ave. Age | 24.8y.o. | Ave. Change Time | 66.4min. |
| 2023.11.26 | Verspah Oita | 0-0 | Kochi United FC | Away | Ave. Age | 24.6y.o. | Ave. Change Time | 80.4min. |