Head to Head
| FIVB Nations League | 2021/05/28 11:00 | Japan v Iran | W | 3-0 |
| World Cup | 2019/10/13 10:20 | Japan v Iran | W | 3-1 |
| FIVB Nations League | 2019/06/09 09:40 | Japan v Iran | L | 0-3 |
| FIVB Nations League | 2018/05/27 13:00 | Iran v Japan | W | 1-3 |
| Grand Champions Cup | 2017/09/16 10:15 | Japan v Iran | L | 1-3 |
| AVC Cup | 2016/09/27 09:30 | Iran v Japan | L | 3-2 |
| AVC Cup | 2016/09/23 07:00 | Japan v Iran | L | 0-3 |
| Olympics Qualification | 2016/06/01 10:15 | Japan v Iran | L | 1-3 |
Home History
| Olympics 2020 Volleyball – Men | 2021/07/30 05:20 | Japan v Poland | L | 0-3 |
| Olympics 2020 Volleyball – Men | 2021/07/28 10:40 | Japan v Italy | L | 1-3 |
| Olympics 2020 Volleyball – Men | 2021/07/26 10:40 | Japan v Canada | W | 3-1 |
| Olympics 2020 Volleyball – Men | 2021/07/24 07:25 | Japan v Venezuela | W | 3-0 |
| FIVB Nations League | 2021/06/23 11:00 | USA v Japan | L | 3-0 |
| FIVB Nations League | 2021/06/22 14:00 | Japan v Slovenia | L | 0-3 |
| FIVB Nations League | 2021/06/21 10:00 | Japan v Bulgaria | W | 3-0 |
| FIVB Nations League | 2021/06/17 11:00 | Japan v Canada | L | 0-3 |
Away History
| Olympics 2020 Volleyball – Men | 2021/07/30 10:40 | Italy v Iran | L | 3-1 |
| Olympics 2020 Volleyball – Men | 2021/07/28 00:00 | Canada v Iran | L | 3-0 |
| Olympics 2020 Volleyball – Men | 2021/07/26 00:00 | Iran v Venezuela | W | 3-0 |
| Olympics 2020 Volleyball – Men | 2021/07/24 10:40 | Poland v Iran | W | 2-3 |
| FIVB Nations League | 2021/06/23 14:00 | Iran v Argentina | L | 1-3 |
| FIVB Nations League | 2021/06/22 13:00 | Iran v Poland | L | 0-3 |
| FIVB Nations League | 2021/06/21 11:00 | France v Iran | L | 3-0 |
| FIVB Nations League | 2021/06/17 14:00 | Iran v Slovenia | L | 1-3 |