| Japan NPB Reserve League | 2024/09/24 09:00 | Yakult Swallows Reserves v Seibu Lions Reserves | L | 0-3 |
| Japan NPB Reserve League | 2024/09/23 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | L | 3-6 |
| Japan NPB Reserve League | 2024/08/14 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | D | 3-3 |
| Japan NPB Reserve League | 2024/08/13 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | L | 1-6 |
| Japan NPB Reserve League | 2024/08/12 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | L | 3-5 |
| Japan NPB Reserve League | 2024/06/08 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | W | 5-3 |
| Japan NPB Reserve League | 2024/06/07 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | L | 0-3 |
| Japan NPB Reserve League | 2023/09/13 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | W | 5-4 |
| Japan NPB Reserve League | 2023/09/12 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | L | 2-8 |
| Japan NPB Reserve League | 2023/09/11 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | L | 7-13 |
| Japan NPB Reserve League | 2023/07/02 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | W | 2-0 |
| Japan NPB Reserve League | 2023/05/17 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | W | 9-7 |
| Japan NPB Reserve League | 2023/05/16 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | L | 7-10 |
| Japan NPB Reserve League | 2023/04/23 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | L | 4-9 |
| Japan NPB Reserve League | 2023/04/22 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | L | 2-8 |
| Japan NPB Reserve League | 2023/04/21 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | L | 2-7 |
| Japan NPB Reserve League | 2022/06/24 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | L | 5-14 |
| Japan NPB Reserve League | 2022/06/10 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | W | 5-2 |
| Japan NPB Reserve League | 2022/04/29 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | L | 2-5 |
| Japan NPB Reserve League | 2021/08/26 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | L | 3-8 |
| Japan NPB Reserve League | 2021/08/25 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | W | 4-0 |
| Japan NPB Reserve League | 2021/08/24 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | W | 13-1 |
| Japan NPB Reserve League | 2021/07/22 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | L | 2-3 |
| Japan NPB Reserve League | 2021/07/20 08:45 | Yakult Swallows Reserves v Seibu Lions Reserves | W | 4-3 |
| Japan NPB Reserve League | 2020/10/25 03:30 | Yakult Swallows Reserves v Seibu Lions Reserves | L | 3-4 |
| Japan NPB Reserve League | 2020/10/24 03:30 | Yakult Swallows Reserves v Seibu Lions Reserves | L | 0-5 |
| Japan NPB Reserve League | 2020/10/23 03:30 | Yakult Swallows Reserves v Seibu Lions Reserves | D | 0-0 |
| Japan NPB Reserve League | 2020/08/30 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | W | 7-2 |
| Japan NPB Reserve League | 2020/08/09 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | L | 1-7 |
| Japan NPB Reserve League | 2020/08/07 04:00 | Yakult Swallows Reserves v Seibu Lions Reserves | L | 0-5 |