| Japan - NPB Reserve League | 2022/04/08 04:00 | Seibu Lions - Reserves v Yomiuri Giants - Reserves | L | 5-9 |
| Japan - NPB Reserve League | 2021/10/27 03:30 | Yomiuri Giants - Reserves v Seibu Lions - Reserves | L | 4-1 |
| Japan - NPB Reserve League | 2021/10/03 04:00 | Yomiuri Giants - Reserves v Seibu Lions - Reserves | L | 5-1 |
| Japan - NPB Reserve League | 2021/09/05 04:00 | Seibu Lions - Reserves v Yomiuri Giants - Reserves | W | 7-3 |
| Japan - NPB Reserve League | 2021/09/04 04:00 | Seibu Lions - Reserves v Yomiuri Giants - Reserves | W | 7-4 |
| Japan - NPB Reserve League | 2021/07/25 07:00 | Seibu Lions - Reserves v Yomiuri Giants - Reserves | W | 5-2 |
| Japan - NPB Reserve League | 2021/07/24 07:00 | Seibu Lions - Reserves v Yomiuri Giants - Reserves | L | 2-3 |
| Japan - NPB Reserve League | 2021/07/23 07:00 | Seibu Lions - Reserves v Yomiuri Giants - Reserves | W | 9-4 |
| Japan - NPB Reserve League | 2022/08/03 04:00 | Chiba Lotte Marines - Reserves v Seibu Lions - Reserves | L | 4-1 |
| Japan - NPB Reserve League | 2022/07/14 04:02 | Rakuten Eagles - Reserves v Seibu Lions - Reserves | W | 2-7 |
| Japan - NPB Reserve League | 2022/06/24 04:00 | Yakult Swallows - Reserves v Seibu Lions - Reserves | W | 5-14 |
| Japan - NPB Reserve League | 2022/06/10 04:00 | Yakult Swallows - Reserves v Seibu Lions - Reserves | L | 5-2 |
| Japan - NPB Reserve League | 2022/05/31 04:00 | Rakuten Eagles - Reserves v Seibu Lions - Reserves | L | 6-4 |
| Japan - NPB Reserve League | 2022/05/30 04:00 | Rakuten Eagles - Reserves v Seibu Lions - Reserves | L | 8-2 |
| Japan - NPB Reserve League | 2022/05/26 04:00 | Chiba Lotte Marines - Reserves v Seibu Lions - Reserves | L | 4-2 |
| Japan - NPB Reserve League | 2022/05/25 04:30 | Chiba Lotte Marines - Reserves v Seibu Lions - Reserves | W | 1-11 |
| Japan - NPB Reserve League | 2022/07/19 07:00 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | D | 0-0 |
| Japan - NPB Reserve League | 2022/06/30 07:00 | Rakuten Eagles - Reserves v Yomiuri Giants - Reserves | L | 15-2 |
| Japan - NPB Reserve League | 2022/06/26 04:00 | Yomiuri Giants - Reserves v Nipponham Fighters - Reserves | W | 5-3 |
| Japan - NPB Reserve League | 2022/06/24 04:30 | Yomiuri Giants - Reserves v Nipponham Fighters - Reserves | W | 6-5 |
| Japan - NPB Reserve League | 2022/06/12 04:00 | Nipponham Fighters - Reserves v Yomiuri Giants - Reserves | W | 1-6 |
| Japan - NPB Reserve League | 2022/06/10 04:00 | Nipponham Fighters - Reserves v Yomiuri Giants - Reserves | W | 1-2 |
| Japan - NPB Reserve League | 2022/06/09 04:00 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | L | 6-2 |
| Japan - NPB Reserve League | 2022/06/08 04:00 | Chiba Lotte Marines - Reserves v Yomiuri Giants - Reserves | L | 4-3 |