Stadium: Court 1 Round: 28 Ground: Hardcourt outdoor
| Challenger Cassis MD | 2021/09/09 10:35 | Cornea/Tsitsipas v Matsui/Uesugi | 7-5,4-6,8-10 |
| Challenger Cassis MD | 2021/09/08 11:35 | Matsui/Uesugi v Nedunchezhiyan/Raja | 7-5,6-1 |
| Challenger Mallorca MD | 2021/09/01 19:20 | Matsui/Uesugi v Romboli/Zielinski | 7-5,6-7,10-12 |
| Challenger Fergana MD | 2019/06/19 10:55 | Matsui/Uesugi v Fayziev/Sultanov | 6-7,5-7 |
| ITF M25 Hong Kong MD | 2019/06/11 05:00 | Duncan/Lazdins v Matsui/Uesugi | 3-6,0-0 |
| Challenger Yokohama MD | 2019/03/01 07:20 | Matsui/Uesugi v Chung/Kwon | 6-3,5-7,4-10 |
| Challenger Yokohama MD | 2019/02/26 04:35 | Gonzales/Lawson v Matsui/Uesugi | 5-7,4-6 |
| Challenger Da Nang MD | 2019/01/09 08:45 | Khabibulin/Yang v Matsui/Uesugi | 6-1,6-4 |
| Challenger Cassis MD | 2021/09/09 12:25 | Drzewiecki/Zuk v Verdugo/Reyes-Varela | 1-6,3-6 |
| Challenger Mallorca MD | 2021/09/03 15:00 | Verdugo/Reyes-Varela v Drzewiecki/Martos Gornes | 6-7,6-4,8-10 |
| Challenger Mallorca MD | 2021/09/02 17:30 | Verdugo/Reyes-Varela v Chappell/Stalder | 7-6,6-2 |
| Challenger Mallorca MD | 2021/09/01 17:30 | Verdugo/Reyes-Varela v Cohen/Giotis | 6-0,6-2 |
| Challenger Warsaw MD | 2021/08/29 10:50 | Verdugo/Reyes-Varela v Manafov/Matuszewski | 6-4,6-4 |
| Challenger Warsaw MD | 2021/08/28 13:30 | Luz/Mansouri v Verdugo/Reyes-Varela | 6-4,3-6,4-10 |
| Challenger Warsaw MD | 2021/08/27 15:25 | Verdugo/Reyes-Varela v Margaroli/Oliveira | 6-4,7-6 |
| Challenger Warsaw MD | 2021/08/25 15:25 | Verdugo/Reyes-Varela v Guinard/Lamasine | 7-5,6-4 |