Head to Head
| Japan NPB | 2021/06/01 08:45 | Seibu Lions v Yomiuri Giants | D | 4-4 |
| Japan NPB Exhibition | 2020/06/02 05:00 | Seibu Lions v Yomiuri Giants | W | 9-7 |
| Japan NPB | 2019/06/13 09:00 | Yomiuri Giants v Seibu Lions | L | 8-2 |
| Japan NPB | 2019/06/12 09:00 | Yomiuri Giants v Seibu Lions | L | 9-4 |
| Japan NPB | 2019/06/11 09:00 | Yomiuri Giants v Seibu Lions | W | 0-4 |
| Japan Pre-Season Friendlies | 2019/03/21 04:00 | Seibu Lions v Yomiuri Giants | L | 2-13 |
| Japan NPB | 2018/06/10 05:00 | Seibu Lions v Yomiuri Giants | L | 2-3 |
| Japan NPB | 2018/06/09 09:00 | Seibu Lions v Yomiuri Giants | L | 5-8 |
Home History
| Japan NPB | 2021/06/01 08:45 | Seibu Lions v Yomiuri Giants | D | 4-4 |
| Japan NPB | 2021/05/30 04:00 | Hanshin Tigers v Seibu Lions | L | 9-8 |
| Japan NPB | 2021/05/29 08:45 | Hanshin Tigers v Seibu Lions | W | 0-1 |
| Japan NPB | 2021/05/28 08:45 | Hanshin Tigers v Seibu Lions | L | 10-7 |
| Japan NPB | 2021/05/27 09:00 | Seibu Lions v Hiroshima Carp | D | 4-4 |
| Japan NPB | 2021/05/23 05:00 | Nippon Ham Fighters v Seibu Lions | L | 10-3 |
| Japan NPB | 2021/05/22 05:00 | Nippon Ham Fighters v Seibu Lions | W | 1-8 |
| Japan NPB | 2021/05/21 08:45 | Nippon Ham Fighters v Seibu Lions | W | 1-7 |
Away History
| Japan NPB | 2021/06/01 08:45 | Seibu Lions v Yomiuri Giants | D | 4-4 |
| Japan NPB | 2021/05/30 05:00 | Yomiuri Giants v Softbank Hawks | W | 4-3 |
| Japan NPB | 2021/05/29 05:00 | Yomiuri Giants v Softbank Hawks | L | 3-8 |
| Japan NPB | 2021/05/28 09:00 | Yomiuri Giants v Softbank Hawks | L | 3-9 |
| Japan NPB | 2021/05/27 08:45 | Rakuten Eagles v Yomiuri Giants | L | 2-0 |
| Japan NPB | 2021/05/26 08:45 | Rakuten Eagles v Yomiuri Giants | W | 2-5 |
| Japan NPB | 2021/05/25 08:45 | Rakuten Eagles v Yomiuri Giants | W | 4-9 |
| Japan NPB | 2021/05/23 05:00 | Yomiuri Giants v Chunichi Dragons | L | 1-4 |