| Japan - NPB - Reserveliga | 2020/08/09 04:00 | Yakult Swallows - Reserve v Seibu Lions - Reserve | L | 1-7 |
| Japan - NPB - Reserveliga | 2020/08/07 04:00 | Yakult Swallows - Reserve v Seibu Lions - Reserve | L | 0-5 |
| Japan - NPB - Reserveliga | 2019/06/28 04:00 | Yakult Swallows - Reserve v Seibu Lions - Reserve | W | 4-3 |
| Japan - NPB - Reserveliga | 2019/05/07 04:00 | Seibu Lions - Reserve v Yakult Swallows - Reserve | D | 5-5 |
| Japan - NPB - Reserveliga | 2020/08/09 04:00 | Yakult Swallows - Reserve v Seibu Lions - Reserve | L | 1-7 |
| Japan - NPB - Reserveliga | 2020/08/07 04:00 | Yakult Swallows - Reserve v Seibu Lions - Reserve | L | 0-5 |
| Japan - NPB - Reserveliga | 2020/08/06 04:00 | Yakult Swallows - Reserve v Nipponham Fighters - Reserve | W | 6-5 |
| Japan - NPB - Reserveliga | 2020/08/05 04:00 | Yakult Swallows - Reserve v Nipponham Fighters - Reserve | L | 1-3 |
| Japan - NPB - Reserveliga | 2020/08/04 04:00 | Yakult Swallows - Reserve v Nipponham Fighters - Reserve | L | 3-10 |
| Baseball-Matches | 2020/03/27 04:00 | Nipponham Fighters - Reserve v Yakult Swallows - Reserve | W | 2-7 |
| Japan - NPB - Reserveliga | 2019/07/08 04:00 | Yomiuri Giants - Reserve v Yakult Swallows - Reserve | L | 1-0 |
| Japan - NPB - Reserveliga | 2019/07/06 04:00 | Hanshin Tigers - Reserve v Yakult Swallows - Reserve | D | 0-0 |
| Japan - NPB - Reserveliga | 2020/08/23 04:00 | Yomiuri Giants - Reserve v Seibu Lions - Reserve | L | 1-0 |
| Japan - NPB - Reserveliga | 2020/08/21 04:00 | Yomiuri Giants - Reserve v Seibu Lions - Reserve | D | 0-0 |
| Japan - NPB - Reserveliga | 2020/08/12 04:00 | Chiba Lotte Marines - Reserve v Seibu Lions - Reserve | D | 0-0 |
| Japan - NPB - Reserveliga | 2020/08/11 04:00 | Chiba Lotte Marines - Reserve v Seibu Lions - Reserve | W | 0-7 |
| Japan - NPB - Reserveliga | 2020/08/09 04:00 | Yakult Swallows - Reserve v Seibu Lions - Reserve | W | 1-7 |
| Japan - NPB - Reserveliga | 2020/08/07 04:00 | Yakult Swallows - Reserve v Seibu Lions - Reserve | W | 0-5 |
| Japan - NPB - Reserveliga | 2020/07/28 04:00 | Nipponham Fighters - Reserve v Seibu Lions - Reserve | W | 5-8 |
| Japan - NPB - Reserveliga | 2020/07/24 04:30 | Yokohama Bay Stars - Reserve v Seibu Lions - Reserve | L | 4-3 |