| Challenger - Sao Paulo | 2022/05/12 00:20 | Hiromi Yokoyama v De Hong Jung | L | 2-3 |
| Challenger - Sao Paulo | 2022/04/06 23:40 | De Hong Jung v Hiromi Yokoyama | L | 3-0 |
| Challenger - Sao Paulo | 2022/03/30 21:40 | De Hong Jung v Hiromi Yokoyama | L | 3-0 |
| Challenger - Sao Paulo | 2022/06/11 21:00 | Leonardo Arata v Hiromi Yokoyama | L | 3-0 |
| Challenger - Sao Paulo | 2022/06/02 02:20 | Alejandro Fernandez Junior v Hiromi Yokoyama | L | 3-1 |
| Challenger - Sao Paulo | 2022/06/02 01:40 | Hiromi Yokoyama v Fabio Mizutani | L | 1-3 |
| Challenger - Sao Paulo | 2022/06/02 01:00 | Rogerio Capobianco v Hiromi Yokoyama | W | 0-3 |
| Challenger - Sao Paulo | 2022/06/02 00:20 | Kayque Valois v Hiromi Yokoyama | L | 3-2 |
| Challenger - Sao Paulo | 2022/06/01 23:40 | Hiromi Yokoyama v Douglas Tomioka | L | 1-3 |
| Challenger - Sao Paulo | 2022/06/01 23:20 | Jonas Silva v Hiromi Yokoyama | W | 0-3 |
| Challenger - Sao Paulo | 2022/06/01 22:20 | Hiromi Yokoyama v Andre Cruz | W | 3-1 |
| Challenger - Sao Paulo | 2022/05/12 02:20 | Guilherme Mattos v De Hong Jung | L | 3-1 |
| Challenger - Sao Paulo | 2022/05/12 01:40 | De Hong Jung v Jonas Silva | L | 2-3 |
| Challenger - Sao Paulo | 2022/05/12 01:00 | Fabio Mizutani v De Hong Jung | L | 3-2 |
| Challenger - Sao Paulo | 2022/05/12 00:20 | Hiromi Yokoyama v De Hong Jung | W | 2-3 |
| Challenger - Sao Paulo | 2022/05/11 23:40 | De Hong Jung v Douglas Tomioka | L | 0-3 |
| Challenger - Sao Paulo | 2022/05/11 23:20 | Leandro Nogueira Carvalho v De Hong Jung | W | 1-3 |
| Challenger - Sao Paulo | 2022/05/11 22:20 | De Hong Jung v Alejandro Fernandez Junior | L | 0-3 |
| Challenger - Sao Paulo | 2022/05/11 21:20 | De Hong Jung v Marco Cruz | W | 3-0 |