| 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 |
| Japan - NPB Reserve League | 2019/06/28 04:00 | Yakult Swallows - Reserves v Seibu Lions - Reserves | W | 4-3 |
| Japan - NPB Reserve League | 2019/05/07 04:00 | Seibu Lions - Reserves v Yakult Swallows - Reserves | D | 5-5 |