 Tunisia: W15 Monastir 30 - Doubles - Main |
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| Final | Abe H./Katsumi N. | Pavlou D./Rusova A. | 2:0 (6:2, 6:4) | details | 10.08.2024 |
| Semi-finals | Abe H./Katsumi N. | Koller A./Soriano Santiago M. | WO. | details | 09.08.2024 |
| Quarter-finals | Abe H./Katsumi N. | Bulbarella M./Dong T. | 2:0 (6:1, 6:0) | details | 08.08.2024 |
| 1/8-finals | Abe H./Katsumi N. | Ksandinov S./Nita S. | 2:0 (6:4, 6:0) | details | 06.08.2024 |
| Tunisia: W15 Monastir 29 - Doubles - Main |
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| Final | Abe H./Katsumi N. | Cirotte A./Girard E. | 2:0 (6:0, 6:3) | details | 03.08.2024 |
| Semi-finals | Abe H./Katsumi N. | Mihail D. M./Quadre B. Q. | 2:0 (6:4, 6:1) | details | 02.08.2024 |
| Quarter-finals | Abe H./Katsumi N. | Smolenova M./Sramkova T. | 2:0 (6:3, 6:2) | details | 01.08.2024 |
| 1/8-finals | Abe H./Katsumi N. | Dong T./Sequeira M. | 0:0 RET. (5:2) | details | 31.07.2024 |
| Tunisia: W15 Monastir 28 - Doubles - Main |
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| Quarter-finals | Katsumi N./Varul L. | Golubkova A./Kuznetsova D. | 1:2 (7:5, 4:6, 7:10) | details | 25.07.2024 |
| 1/8-finals | Katsumi N./Varul L. | Rojas S. C./Tiglea C. E. | 2:1 (4:6, 6:4, 10:8) | details | 23.07.2024 |
| Tunisia: W15 Monastir 27 - Doubles - Main |
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| Final | Katsumi N./Ogata H. | Amendola A./Tiglea C. E. | 2:0 (6:4, 6:2) | details | 20.07.2024 |
| Semi-finals | Katsumi N./Ogata H. | Golubkova A./Kuznetsova D. | 2:0 (7:5, 7:5) | details | 19.07.2024 |
| Quarter-finals | Katsumi N./Ogata H. | Cassidy L./Lopez P. | 2:0 (6:0, 6:4) | details | 18.07.2024 |
| 1/8-finals | Katsumi N./Ogata H. | Colling S./Gruber T. | 2:0 (7:5, 7:61) | details | 16.07.2024 |
| Tunisia: W15 Monastir 26 - Doubles - Main |
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| Final | Katsumi N./Ogata H. | Alhussein L./Rushiti A. | 2:1 (6:3, 1:6, 10:6) | details | 13.07.2024 |
| Semi-finals | Amendola A./Bissett A. | Katsumi N./Ogata H. | 1:2 (0:6, 6:4, 8:10) | details | 12.07.2024 |
| Quarter-finals | Katsumi N./Ogata H. | Rojas S. C./Tiglea C. E. | 2:0 (6:3, 6:3) | details | 11.07.2024 |
| 1/8-finals | Katsumi N./Ogata H. | Bulbarella M./Plaza Araujo L. | 2:0 (6:3, 6:2) | details | 09.07.2024 |
| Tunisia: W15 Monastir 25 - Doubles - Main |
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| Quarter-finals | Iordache A./Varul L. | Gupta A./Katsumi N. | 2:0 (6:4, 6:1) | details | 04.07.2024 |
| 1/8-finals | Lopez P./Soussi L. | Gupta A./Katsumi N. | 0:2 (2:6, 3:6) | details | 02.07.2024 |
| Tunisia: W15 Monastir 24 - Doubles - Main |
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| 1/8-finals | Andreevskaya V./Gasanova A. | Katsumi N./Wildgruber A. | 2:0 (6:4, 6:3) | details | 26.06.2024 |
 Japan: W15 Tokyo 2 - Doubles - Main |
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| 1/8-finals | Arakawa N./Saigo Y. | Kang N. H./Katsumi N. | 2:1 (3:6, 6:4, 11:9) | details | 12.06.2024 |
| Japan: W15 Kawaguchi - Doubles - Main |
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| Quarter-finals | Katsumi N./Thompson B. | Kawagishi N./Kozaki F. | 0:2 (3:6, 1:6) | details | 06.06.2024 |
| 1/8-finals | Katsumi N./Thompson B. | Ichioka A./Ohwaki Yui | 2:0 (6:4, 6:1) | details | 04.06.2024 |
| Japan: W15 Tokyo - Doubles - Main |
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| Quarter-finals | Inoue A./Ozeki M. | Hasegawa M./Katsumi N. | 2:0 (6:4, 6:3) | details | 30.05.2024 |
| 1/8-finals | Hasegawa M./Katsumi N. | Tamura K./Tsuda R. . | 2:0 (6:4, 6:4) | details | 29.05.2024 |
| 1/8-finals | Hasegawa M./Katsumi N. | Mushika Mao/Mushika Mio | CAN. | details | 29.05.2024 |
| Japan: W15 Fukui - Doubles - Main |
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| Semi-finals | Abe H./Nagata A. | Katsumi N./Thompson B. | 2:0 (7:5, 6:4) | details | 24.05.2024 |
| Quarter-finals | Katsumi N./Thompson B. | Chikaraishi Y./Sato H. | 0:0 RET. (3:0) | details | 23.05.2024 |
| 1/8-finals | Katsumi N./Thompson B. | Kobayashi H./Nishimura K. | 2:0 (6:2, 6:1) | details | 22.05.2024 |
| Japan: W15 Hinode - Doubles - Main |
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| Quarter-finals | Akita S./Katsumi N. | Aikawa M./Saigo Y. | 1:2 (6:3, 1:6, 8:10) | details | 21.03.2024 |
| 1/8-finals | Inoue A./Kawagishi N. | Akita S./Katsumi N. | 0:2 (3:6, 1:6) | details | 19.03.2024 |
 Australia: W35 Traralgon 2 - Doubles - Main |
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| 1/8-finals | Ma Y./Parnaby A. | Katsumi N./Lee G. S. | 2:0 (6:3, 6:1) | details | 27.02.2024 |
| Australia: W35 Traralgon - Doubles - Main |
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| 1/8-finals | Hayashi E./Shimizu E. | Hosogi S./Katsumi N. | 2:0 (7:65, 6:3) | details | 20.02.2024 |