South Korea: M25 Changwon - Doubles - Main |
| Final | Choe J./Chung H. | Mitsui S./Saitoh K. | 2:0 (6:4, 7:66) | details | 17.06.2023 |
| Semi-finals | Jeong Y./Lee D. H. | Mitsui S./Saitoh K. | 0:2 (4:6, 4:6) | details | 16.06.2023 |
| Quarter-finals | Mitsui S./Saitoh K. | Ichikawa T./Jang Y. | 2:0 (6:4, 6:3) | details | 15.06.2023 |
| 1/8-finals | Kim G. J./Okamura I. | Mitsui S./Saitoh K. | 0:2 (0:6, 63:7) | details | 13.06.2023 |
United Kingdom: Wimbledon - Doubles - Main |
| Quarter-finals | Forejtek J./Lehecka J. | Mitsui S./Saitoh K. | 2:1 (5:7, 7:66, 7:5) | details | 12.07.2019 |
| 1/8-finals | Kingsley C./Zgirovsky A. | Mitsui S./Saitoh K. | 0:2 (2:6, 2:6) | details | 11.07.2019 |
| 1/16-finals | Dica N. G./Rihane Y. | Mitsui S./Saitoh K. | 0:2 (3:6, 3:6) | details | 09.07.2019 |
France: French Open - Doubles - Main |
| 1/16-finals | Paulson A./Vanshelboim E. | Mitsui S./Saitoh K. | 2:0 (6:2, 6:4) | details | 03.06.2019 |
Australia: Australian Open - Doubles - Main |
| 1/16-finals | Mitsui S./Saitoh K. | Alvarez Varona N./Jianu F. C. | 1:2 (7:62, 5:7, 10:12) | details | 21.01.2019 |