| 19.02.22 | fin | Shinji Hazawa/Kaito Uesugi | Alberto Barroso Campos/Imanol Lopez Morillo | 7-65, 6-4 |  | match details | M15 Monastir | Difícil |
| 18.02.22 | 1/2 | Shinji Hazawa/Kaito Uesugi | Courtney John Lock/Ryan Nijboer | 6-3, 6-4 |  | match details |
| 17.02.22 | 1/4 | Shinji Hazawa/Kaito Uesugi | Antonin Bolardt/Andrew Paulson | 3-6, 7-61, 11-9 |  | match details |
| 15.02.22 | 1er ronda | Shinji Hazawa/Kaito Uesugi | Valentin De Carvalho/Anis Ghorbel | 6-1, 6-1 |  | match details |
| 11.06.18 | 1er ronda | Masakatsu Noguchi/Masaki Sasai | Shinji Hazawa/Kaito Uesugi | 6-4, 1-6, 10-8 |  | match details | Japan F8 | Alfombra |
| 04.06.18 | 1/4 | Yuichiro Inui/Rio Noguchi | Shinji Hazawa/Kaito Uesugi | 2-6, 7-5, 10-7 |  | match details | Japan F7 | Arcilla |
| 04.06.18 | 1er ronda | Shinji Hazawa/Kaito Uesugi | Masataka Hamaguchi/Takuya Kumasaka | 6-2, 6-0 |  | match details |