Head to Head
| Japan NPB | 2023/06/09 09:00 | Yakult Swallows v Seibu Lions | L | 1-2 |
| Japan NPB | 2022/06/05 04:00 | Seibu Lions v Yakult Swallows | W | 3-5 |
| Japan NPB | 2022/06/04 05:00 | Seibu Lions v Yakult Swallows | W | 2-3 |
| Japan NPB | 2022/06/03 09:00 | Seibu Lions v Yakult Swallows | W | 0-1 |
| Japan NPB Exhibition | 2022/03/21 04:00 | Yakult Swallows v Seibu Lions | L | 1-4 |
| Japan NPB Exhibition | 2022/03/20 04:00 | Yakult Swallows v Seibu Lions | W | 2-1 |
| Japan NPB Exhibition | 2022/03/19 04:00 | Yakult Swallows v Seibu Lions | L | 5-6 |
| Japan NPB Exhibition | 2022/03/18 04:00 | Yakult Swallows v Seibu Lions | D | 1-1 |
Home History
| Japan NPB | 2023/06/09 09:00 | Yakult Swallows v Seibu Lions | L | 1-2 |
| Japan NPB | 2023/06/08 09:00 | Yakult Swallows v Lotte Marines | L | 2-3 |
| Japan NPB | 2023/06/07 09:00 | Yakult Swallows v Lotte Marines | L | 0-6 |
| Japan NPB | 2023/06/06 09:00 | Yakult Swallows v Lotte Marines | W | 10-3 |
| Japan NPB | 2023/06/04 04:30 | Rakuten Eagles v Yakult Swallows | W | 2-5 |
| Japan NPB | 2023/06/03 05:00 | Rakuten Eagles v Yakult Swallows | W | 5-9 |
| Japan NPB | 2023/06/01 09:00 | Yakult Swallows v Nippon Ham Fighters | W | 5-0 |
| Japan NPB | 2023/05/31 09:00 | Yakult Swallows v Nippon Ham Fighters | L | 2-5 |
Away History
| Japan NPB | 2023/06/09 09:00 | Yakult Swallows v Seibu Lions | W | 1-2 |
| Japan NPB | 2023/06/08 09:00 | Chunichi Dragons v Seibu Lions | L | 8-2 |
| Japan NPB | 2023/06/07 09:00 | Chunichi Dragons v Seibu Lions | W | 1-2 |
| Japan NPB | 2023/06/06 09:00 | Chunichi Dragons v Seibu Lions | L | 2-1 |
| Japan NPB | 2023/06/05 09:00 | Seibu Lions v Yokohama Bay Stars | W | 6-4 |
| Japan NPB | 2023/06/04 05:00 | Seibu Lions v Yokohama Bay Stars | L | 4-5 |
| Japan NPB | 2023/06/03 05:00 | Seibu Lions v Yokohama Bay Stars | L | 2-6 |
| Japan NPB | 2023/06/01 09:00 | Hanshin Tigers v Seibu Lions | W | 2-4 |