 Japan: W15 Sapporo - Doubles - Main |
|---|
| 1/8-finals | Kawagishi N./Kozaki F. | Kubo K./Nishimura K. | 2:0 (6:3, 6:3) | details | 25.07.2023 |
 China: W15 Tianjin 4 - Doubles - Main |
|---|
| 1/8-finals | Kubo K./Zhang J. | Hou Y./Huang J. | 0:1 RET. (3:6, 0:1) | details | 04.07.2023 |
| China: W15 Tianjin 3 - Doubles - Main |
|---|
| 1/8-finals | Kubo K./Zhang J. | Cao Y./Huang J. | 1:2 (7:5, 4:6, 9:11) | details | 29.06.2023 |
| China: W15 Tianjin 2 - Doubles - Main |
|---|
| 1/8-finals | Wu M. X./Xiao Z. | Kubo K./Wang J. | 2:1 (6:4, 3:6, 10:5) | details | 20.06.2023 |
 Tunisia: W15 Monastir 9 - Doubles - Main |
|---|
| Quarter-finals | McDonald E./Neilson-Gatenby T. | Koller A./Kubo K. | 2:0 (6:3, 6:4) | details | 30.03.2023 |
| 1/8-finals | Koller A./Kubo K. | Koussenkova V./Mihail D. M. | 2:0 (6:2, 6:1) | details | 29.03.2023 |
| Tunisia: W15 Monastir 7 - Doubles - Main |
|---|
| 1/8-finals | Amos A./Kubo K. | Radenkovic M./Samardzic S. | 1:2 (2:6, 6:3, 6:10) | details | 14.03.2023 |
| Japan: W60 Tokyo - Doubles - Main |
|---|
| Quarter-finals | Muramatsu C./Sato N. | Ito A./Kubo K. | 2:0 (6:4, 6:1) | details | 17.11.2022 |
| 1/8-finals | Ito A./Kubo K. | Katsumi N./Saito S. | 2:0 (6:3, 6:3) | details | 15.11.2022 |
| Tunisia: W15 Monastir 33 - Doubles - Main |
|---|
| Semi-finals | Baranovska A./Kubo K. | Lee Y./Tsao C. Y. | 0:1 RET. (0:6, 0:1) | details | 07.10.2022 |
| Quarter-finals | Hatouka Y./Shinikova I. | Baranovska A./Kubo K. | 1:2 (4:6, 7:5, 8:10) | details | 06.10.2022 |
| 1/8-finals | Baranovska A./Kubo K. | Freigassner V./Ristic J. | 2:0 (6:1, 6:1) | details | 05.10.2022 |
