 Japan: W50 Yokohama - Singles - Main |
|---|
| Semi-finals | Inoue H. | Kaji H. | 2:0 (7:65, 6:1) | details | 30.11.2024 |
| Quarter-finals | Kawaguchi N. | Kaji H. | 0:2 (1:6, 2:6) | details | 29.11.2024 |
| 1/8-finals | Akita S. | Kaji H. | 0:2 (2:6, 3:6) | details | 28.11.2024 |
| 1/16-finals | Sato N. | Kaji H. | 0:2 (2:6, 4:6) | details | 27.11.2024 |
| Japan: W100 Takasaki - Singles - Main |
|---|
| Quarter-finals | Nugroho P. M. | Kaji H. | 2:0 (6:2, 7:65) | details | 22.11.2024 |
| 1/8-finals | Kaji H. | Kobori M. | 2:0 (6:4, 6:1) | details | 22.11.2024 |
| 1/16-finals | Jang S. J. | Kaji H. | 0:2 (3:6, 3:6) | details | 21.11.2024 |
 USA: W50 Austin, TX - Singles - Main |
|---|
| Semi-finals | Kaji H. | Rapolu M. | 1:2 (6:2, 4:6, 0:6) | details | 16.11.2024 |
| Quarter-finals | Kaji H. | Chang S. | 2:0 (6:1, 6:1) | details | 15.11.2024 |
| 1/8-finals | Kaji H. | Gimbrere J. | 2:1 (5:7, 7:5, 6:3) | details | 14.11.2024 |
| 1/16-finals | Makarova E. | Kaji H. | 1:2 (6:2, 1:6, 5:7) | details | 13.11.2024 |
| USA: Midland - Singles - Main |
|---|
| 1/8-finals | Lepchenko V. | Kaji H. | 2:1 (65:7, 6:4, 6:4) | details | 07.11.2024 |
| 1/16-finals | Appleton E. | Kaji H. | 0:2 (1:6, 4:6) | details | 05.11.2024 |
| USA: Midland - Singles - Qualification |
|---|
| Final | Kung L. | Kaji H. | 0:2 (2:6, 2:6) | details | 04.11.2024 |
| Semi-finals | Moore T. | Kaji H. | 0:2 (0:6, 2:6) | details | 03.11.2024 |
 Canada: W75+ H Toronto - Singles - Main |
|---|
| Quarter-finals | Kaji H. | Hruncakova V. | 0:2 (4:6, 3:6) | details | 01.11.2024 |
| 1/8-finals | Anderson R. | Kaji H. | 1:2 (7:68, 4:6, 2:6) | details | 31.10.2024 |
| 1/16-finals | Ma L. | Kaji H. | 0:2 (5:7, 1:6) | details | 29.10.2024 |
| Japan: Tokyo - Singles - Qualification |
|---|
| Semi-finals | Yamaguchi M. | Kaji H. | 2:0 (6:3, 6:3) | details | 19.10.2024 |
 Australia: W35 Cairns - Singles - Main |
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| 1/16-finals | Kaji H. | Parnaby A. | 0:2 (3:6, 2:6) | details | 02.10.2024 |
| Japan: W50 Nanao - Singles - Main |
|---|
| Quarter-finals | Okuwaki R. | Kaji H. | 2:0 (7:5, 6:4) | details | 27.09.2024 |
| 1/8-finals | Aney J. | Kaji H. | 1:2 (6:4, 4:6, 2:6) | details | 26.09.2024 |
| 1/16-finals | Saegusa N. | Kaji H. | 0:2 (4:6, 1:6) | details | 24.09.2024 |
 South Korea: Seoul - Singles - Qualification |
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| Semi-finals | Ku Y. | Kaji H. | 2:1 (0:6, 6:3, 6:2) | details | 14.09.2024 |
| South Korea: W100 Incheon - Singles - Main |
|---|
| 1/8-finals | Kaji H. | Gao X. | 0:2 (1:6, 4:6) | details | 05.09.2024 |
| 1/16-finals | Zhao C. | Kaji H. | 0:2 (3:6, 4:6) | details | 03.09.2024 |
 Spain: W35 Vigo - Singles - Main |
|---|
| 1/16-finals | Andrianjafitrimo T. | Kaji H. | 2:0 (6:3, 6:2) | details | 21.08.2024 |
| Spain: W50 Ourense - Singles - Main |
|---|
| Final | Charaeva A. | Kaji H. | 2:0 (7:67, 6:1) | details | 18.08.2024 |
| Semi-finals | Kaji H. | Helgo M. | 2:0 (6:1, 6:1) | details | 17.08.2024 |
| Quarter-finals | Kubka M. | Kaji H. | 0:2 (1:6, 1:6) | details | 16.08.2024 |
| 1/8-finals | Matsuda M. | Kaji H. | 0:2 (3:6, 0:6) | details | 15.08.2024 |
| 1/16-finals | Sawant M. | Kaji H. | 0:2 (1:6, 0:6) | details | 14.08.2024 |
 United Kingdom: W35 Roehampton 2 - Singles - Main |
|---|
| Final | Kartal S. | Kaji H. | 2:0 (6:3, 6:3) | details | 11.08.2024 |
| Semi-finals | Kaji H. | Imamura S. | 2:0 (7:65, 6:2) | details | 10.08.2024 |
| Quarter-finals | Kaji H. | McDonald E. | 2:1 (4:6, 7:65, 6:0) | details | 09.08.2024 |
| 1/8-finals | Kaji H. | Saigo R. | 2:1 (2:6, 6:2, 6:1) | details | 08.08.2024 |
| 1/16-finals | Kaji H. | Black B. | 2:0 (7:5, 6:1) | details | 06.08.2024 |
| United Kingdom: W35 Roehampton - Singles - Main |
|---|
| 1/16-finals | Kaji H. | Ku Y. | 0:2 (3:6, 2:6) | details | 30.07.2024 |
| Spain: W35 Segovia - Singles - Main |
|---|
| Quarter-finals | Mansouri Y. | Kaji H. | 2:0 (7:5, 6:3) | details | 25.07.2024 |
| 1/8-finals | Zelnickova R. | Kaji H. | 0:2 (4:6, 2:6) | details | 24.07.2024 |
| 1/16-finals | Gonzalez Vilar R. | Kaji H. | 0:2 (1:6, 3:6) | details | 23.07.2024 |
 Hong Kong: W35 Hong Kong - Singles - Main |
|---|
| Semi-finals | Yao X. | Kaji H. | 2:1 (3:6, 6:3, 6:3) | details | 06.07.2024 |
| Quarter-finals | Kaji H. | Abe H. | 2:0 (6:0, 6:1) | details | 05.07.2024 |
| 1/8-finals | Kaji H. | Zolotareva A. | 2:0 (6:3, 6:3) | details | 04.07.2024 |
| 1/16-finals | Kaji H. | da Silva Fick G. | 2:1 (6:1, 5:7, 6:2) | details | 03.07.2024 |
| South Korea: W35 Daegu - Singles - Main |
|---|
| 1/16-finals | Chaudhari V. | Kaji H. | 2:0 (6:1, 6:3) | details | 05.06.2024 |
| South Korea: W35 Changwon - Singles - Main |
|---|
| Quarter-finals | Okamura K. | Kaji H. | 2:0 (6:1, 6:4) | details | 31.05.2024 |
| 1/8-finals | Ku Y. | Kaji H. | 1:2 (6:2, 3:6, 3:6) | details | 30.05.2024 |
| 1/16-finals | Kawaguchi N. | Kaji H. | 0:2 (2:6, 4:6) | details | 28.05.2024 |
| South Korea: W50 Goyang - Singles - Main |
|---|
| Semi-finals | Kaji H. | Ito A. | 1:2 (6:3, 3:6, 0:6) | details | 25.05.2024 |