| Billie Jean King Cup | 04/12 05:00 | 64 | Japan v Kazakhstan | 2-0,2-0,2-1,1-2 | |
| Cupa Davis | 02/11 11:00 | - | Japan v Romania | View | |
| Cupa Davis | 02/02 09:00 | 45 | Team Lebanon v Japan | View | |
| Cupa Davis | 09/16 06:00 | 1 | Team Uzbekistan v Japan | 3-1 | |
| Cupa Davis | 03/04 16:00 | 45 | Sweden v Japan | 3-2 | |
| ATP Cup | 02/06 06:30 | 3 | Team Argentina v Japan | 3-0 | |
| ATP Cup | 02/03 06:30 | 2 | Russia v Japan | 2-1 | |
| Cupa Davis | 03/06 03:00 | 45 | Japan v Ecuador | 0-3 | |
| Fed Cup 2020 | 02/07 11:00 | 64 | Spain v Japan | 3-1 | |
| ATP Cup | 01/08 02:00 | 3 | Spain v Japan | 3-0 | |
| ATP Cup | 01/06 02:00 | 2 | Japan v Georgia | 2-1 | |
| ATP Cup | 01/04 02:00 | 1 | Japan v Uruguay | 3-0 |