 USA: M25 Columbus, OH - Doubles - Main |
|---|
| Final | Mitsui S./Monday J. | Cash R./Nakashima B. N. | 0:2 (5:7, 610:7) | details | 18.11.2023 |
| Semi-finals | Mitsui S./Monday J. | Cooper S./Lieberman H. | 2:0 (6:2, 6:4) | details | 17.11.2023 |
| Quarter-finals | Mitsui S./Monday J. | Komopisut P./Sornlaksup P. | 2:0 (6:2, 6:3) | details | 16.11.2023 |
| 1/8-finals | Mitsui S./Monday J. | Anthrop J./Bernard A. | 2:0 (6:4, 7:5) | details | 14.11.2023 |
| USA: Knoxville - Doubles - Main |
|---|
| Quarter-finals | Mitsui S./Pieczonka F. | Damm M./Rybakov A. | 0:2 (2:6, 4:6) | details | 09.11.2023 |
| 1/8-finals | Harrison C./Libietis M. | Mitsui S./Pieczonka F. | 0:2 (4:6, 3:6) | details | 09.11.2023 |
| USA: M15 Las Vegas, NV - Doubles - Main |
|---|
| 1/8-finals | Mitsui S./Pieczonka F. | Hilderbrand T./Schachter N. | 1:2 (6:3, 3:6, 6:10) | details | 18.10.2023 |
| USA: M15 Ithaca, NY 2 - Doubles - Main |
|---|
| Final | Mao N./Sinha A. | Mitsui S./Pieczonka F. | 2:0 (6:4, 6:1) | details | 07.10.2023 |
| Semi-finals | Mitsui S./Pieczonka F. | Fenty A./Nefve A. | WO. | details | 06.10.2023 |
| Quarter-finals | Gregg P./Snezhko N. | Mitsui S./Pieczonka F. | 0:2 (2:6, 2:6) | details | 05.10.2023 |
| 1/8-finals | Angele J. F./Chirala S. R. | Mitsui S./Pieczonka F. | 0:2 (5:7, 1:6) | details | 04.10.2023 |
| USA: M15 Champaign, IL - Doubles - Main |
|---|
| 1/8-finals | Heck H./Ozolins K. | Mitsui S./Pieczonka F. | CAN. | details | 13.09.2023 |
| USA: M25 Southaven, MS - Doubles - Main |
|---|
| Final | Harper P./Mitsui S. | Seggerman R./Trhac P. | 0:2 (4:6, 3:6) | details | 12.08.2023 |
| Semi-finals | Winegar T./Zheng M. | Harper P./Mitsui S. | 0:2 (3:6, 4:6) | details | 11.08.2023 |
| Quarter-finals | Harper P./Mitsui S. | Kumar P./Maxted L. | 2:0 (6:2, 6:3) | details | 11.08.2023 |
| 1/8-finals | Harper P./Mitsui S. | Rettke V./Richey S. | 2:0 (6:1, 6:2) | details | 09.08.2023 |
| USA: M25 Decatur, IL - Doubles - Main |
|---|
| Final | Brumm J./Clark E. | Harper P./Mitsui S. | 0:2 (62:7, 4:6) | details | 05.08.2023 |
| Semi-finals | Chopra K./Duarte A. | Harper P./Mitsui S. | 0:2 (5:7, 4:6) | details | 04.08.2023 |
| Quarter-finals | Brown T./Miyoshi K. | Harper P./Mitsui S. | 1:2 (3:6, 7:5, 7:10) | details | 04.08.2023 |
| 1/8-finals | Braswell J./Braswell M. | Harper P./Mitsui S. | 1:2 (6:3, 3:6, 8:10) | details | 01.08.2023 |
| USA: M25 Edwardsville, IL - Doubles - Main |
|---|
| Quarter-finals | Goldhoff G./Kiger M. | Harper P./Mitsui S. | 2:0 (6:4, 6:4) | details | 29.07.2023 |
| 1/8-finals | Ravichander I./Vandecasteele Q. | Harper P./Mitsui S. | 0:2 (5:7, 2:6) | details | 26.07.2023 |
| USA: M25 Champaign, IL - Doubles - Main |
|---|
| Quarter-finals | Harper P./Mitsui S. | Mochizuki Y./Takeru Y. | 1:2 (7:68, 5:7, 3:10) | details | 20.07.2023 |
| 1/8-finals | Harper P./Mitsui S. | Banerjee S./Basavareddy N. | 2:0 (7:5, 6:3) | details | 18.07.2023 |
 South Korea: M25 Anseong - Doubles - Main |
|---|
| Final | Mitsui S./Tajima N. | Chung Y./Takeru Y. | 0:2 (63:7, 4:6) | details | 24.06.2023 |
| Semi-finals | Kim S./Park M. | Mitsui S./Tajima N. | 1:2 (4:6, 6:4, 13:15) | details | 23.06.2023 |
| Quarter-finals | Mitsui S./Tajima N. | Han Seon Yong/Kim J. H. | 2:0 (6:4, 6:4) | details | 22.06.2023 |
