Select tournament type
| 1/16-finals | Nayuki S. | Yamaguchi A. | 2:1 (4:6, 6:4, 7:5) | details | 09.08.2023 | ||
| 1/8-finals | Kobayashi H. | Yamaguchi A. | 2:0 (6:4, 6:2) | details | 20.07.2023 | ||
| 1/16-finals | Smith A. | Yamaguchi A. | 0:2 (4:6, 4:6) | details | 19.07.2023 | ||
| 1/16-finals | Ito A. | Yamaguchi A. | 2:0 (6:1, 6:1) | details | 13.06.2023 | ||
| 1/8-finals | Yamaguchi A. | Mushika Mao | 0:2 (4:6, 4:6) | details | 08.06.2023 | ||
| 1/16-finals | Yamaguchi A. | Shigeta M. | 2:0 (7:62, 6:3) | details | 07.06.2023 | ||
| 1/16-finals | Yamaguchi A. | Lincer O. | 0:2 (5:7, 0:6) | details | 16.05.2023 | ||
| 1/16-finals | Yamaguchi A. | Sema E. | 0:2 (0:6, 2:6) | details | 10.05.2023 | ||
| 1/16-finals | Yamaguchi A. | Hosonuma C. | 1:2 (4:6, 6:3, 1:6) | details | 22.03.2023 | ||
| 1/16-finals | Li Y. | Yamaguchi A. | 2:0 (6:3, 6:4) | details | 01.03.2023 | ||
| 1/16-finals | Yamaguchi A. | Vrancken Peeters A. | 1:2 (6:4, 4:6, 0:6) | details | 30.11.2022 | ||
| 1/16-finals | Yamaguchi A. | Ly-Nguyen S. | 1:2 (5:7, 7:5, 1:6) | details | 04.10.2022 | ||
| 1/16-finals | Kinoshita H. | Yamaguchi A. | 2:0 (6:0, 6:2) | details | 28.09.2022 | ||
| 1/16-finals | Yamaguchi A. | Bornay J. | 0:2 (65:7, 3:6) | details | 20.07.2022 | ||
| 1/8-finals | Kawagishi N./Yoshioka K. | Wu Ho C./Yamaguchi A. | 2:1 (64:7, 6:4, 10:8) | details | 09.08.2023 | ||
| 1/8-finals | Jang G./Yamaguchi A. | Ahn Y. J./Sato H. | 1:2 (2:6, 6:3, 7:10) | details | 03.08.2023 | ||
| 1/8-finals | Katsumi N./Yamaguchi A. | Nagata A./Yoshioka K. | 0:2 (3:6, 3:6) | details | 18.07.2023 | ||
| 1/8-finals | Katsumi N./Yamaguchi A. | Back D./Jeong B. | 1:2 (6:2, 1:6, 8:10) | details | 11.07.2023 | ||
| Quarter-finals | Yamaguchi A./Yoshioka K. | Atturu S./Katsumi N. | 1:2 (1:6, 6:4, 5:10) | details | 16.06.2023 | ||
| 1/8-finals | Koyama H./Ogata H. | Yamaguchi A./Yoshioka K. | 0:2 (3:6, 2:6) | details | 14.06.2023 | ||
| Quarter-finals | Arai A./Tamura K. | Yamaguchi A./Yoshioka K. | 2:0 (6:3, 6:4) | details | 08.06.2023 | ||
| 1/8-finals | Yamaguchi A./Yoshioka K. | Inoue A./Kobayashi H. | 2:1 (3:6, 6:2, 10:6) | details | 06.06.2023 | ||
| 1/8-finals | Nazarenko D./Yamaguchi A. | Kobayashi H./Nayar S. | 1:2 (3:6, 6:4, 4:10) | details | 28.02.2023 | ||
| 1/8-finals | Domova D./Yamaguchi A. | Hosonuma C./Ogata H. | 0:2 (2:6, 5:7) | details | 15.02.2023 | ||
| 1/8-finals | Koussenkova V./Yamaguchi A. | Kawaguchi N./Tsao C. Y. | 0:2 (0:6, 0:6) | details | 06.12.2022 | ||
| Quarter-finals | Weedon K./Williford K. | Yamaguchi A./Zhu J. | 2:0 (7:6, 6:4) | details | 14.07.2022 | ||
| 1/8-finals | Yamaguchi A./Zhu J. | Becerra A. M./Negrete H. X. | 2:0 (6:2, 7:5) | details | 13.07.2022 | ||