Head to Head
| Japan NPB | 2019/06/11 09:00 | Yomiuri Giants v Seibu Lions | L | 0-4 |
| Japan Pre-Season Friendlies | 2019/03/21 04:00 | Seibu Lions v Yomiuri Giants | W | 2-13 |
| Japan NPB | 2018/06/10 05:00 | Seibu Lions v Yomiuri Giants | W | 2-3 |
| Japan NPB | 2018/06/09 09:00 | Seibu Lions v Yomiuri Giants | W | 5-8 |
| Japan NPB | 2018/06/08 09:00 | Seibu Lions v Yomiuri Giants | L | 5-4 |
| Japan NPB | 2017/06/08 09:00 | Yomiuri Giants v Seibu Lions | L | 2-13 |
| Japan NPB | 2017/06/07 09:00 | Yomiuri Giants v Seibu Lions | L | 0-3 |
| Japan NPB | 2017/06/06 09:00 | Yomiuri Giants v Seibu Lions | L | 5-8 |
Home History
| Japan NPB | 2019/06/11 09:00 | Yomiuri Giants v Seibu Lions | L | 0-4 |
| Japan NPB | 2019/06/09 05:00 | Lotte Marines v Yomiuri Giants | W | 3-11 |
| Japan NPB | 2019/06/08 05:00 | Lotte Marines v Yomiuri Giants | L | 6-5 |
| Japan NPB | 2019/06/07 09:00 | Lotte Marines v Yomiuri Giants | W | 3-4 |
| Japan NPB | 2019/06/06 09:00 | Yomiuri Giants v Rakuten Eagles | W | 2-1 |
| Japan NPB | 2019/06/05 09:00 | Yomiuri Giants v Rakuten Eagles | L | 2-4 |
| Japan NPB | 2019/06/04 09:00 | Yomiuri Giants v Rakuten Eagles | W | 3-2 |
| Japan NPB | 2019/06/02 05:00 | Chunichi Dragons v Yomiuri Giants | W | 1-3 |
Away History
| Japan NPB | 2019/06/11 09:00 | Yomiuri Giants v Seibu Lions | W | 0-4 |
| Japan NPB | 2019/06/09 04:00 | Seibu Lions v Yokohama Bay Stars | L | 4-6 |
| Japan NPB | 2019/06/08 05:00 | Seibu Lions v Yokohama Bay Stars | L | 3-7 |
| Japan NPB | 2019/06/07 09:00 | Seibu Lions v Yokohama Bay Stars | W | 6-2 |
| Japan NPB | 2019/06/06 09:00 | Hiroshima Carp v Seibu Lions | W | 2-9 |
| Japan NPB | 2019/06/05 09:00 | Hiroshima Carp v Seibu Lions | L | 9-1 |
| Japan NPB | 2019/06/04 09:00 | Hiroshima Carp v Seibu Lions | W | 4-5 |
| Japan NPB | 2019/06/02 05:00 | Seibu Lions v Lotte Marines | L | 1-8 |