 Australia: W75 Brisbane - Doubles - Main |
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| 1/8-finals | Katsumi N./Smith A. | Hule P./Micic E. | 0:2 (3:6, 2:6) | details | 28.01.2025 |
 New Zealand: W35 Tauranga - Doubles - Main |
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| Semi-finals | Hosoki Y./Katsumi N. | Abe H./Akita S. | 1:2 (7:63, 4:6, 6:10) | details | 20.12.2024 |
| Quarter-finals | Simmons E./Tjen J. | Hosoki Y./Katsumi N. | 0:2 (3:6, 4:6) | details | 19.12.2024 |
| 1/8-finals | Ivanov V./Yang V. | Hosoki Y./Katsumi N. | 0:2 (2:6, 4:6) | details | 18.12.2024 |
| New Zealand: W15 Wellington - Doubles - Main |
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| Final | Barry M./Hoedt M. | Akita S./Katsumi N. | 2:0 (6:3, 6:3) | details | 14.12.2024 |
| Semi-finals | Simmons E./Tjen J. | Akita S./Katsumi N. | 0:2 (1:6, 2:6) | details | 13.12.2024 |
| Quarter-finals | Oh E./Wi H. W. | Akita S./Katsumi N. | 1:2 (1:6, 6:3, 8:10) | details | 12.12.2024 |
| 1/8-finals | Das A./Situe S. | Akita S./Katsumi N. | 1:2 (3:6, 7:63, 9:11) | details | 10.12.2024 |
 Japan: W50 Yokohama - Doubles - Main |
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| 1/8-finals | Liang E. S./Park S. | Akita S./Katsumi N. | 2:0 (6:3, 6:0) | details | 26.11.2024 |
| Japan: W100 Takasaki - Doubles - Main |
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| 1/8-finals | Nugroho P. M./Sawangkaew M. | Aikawa M./Katsumi N. | 2:0 (6:4, 6:2) | details | 21.11.2024 |
| Japan: W35 Hamamatsu - Doubles - Main |
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| 1/8-finals | Chikaraishi Y./Katsumi N. | Higashitani N./Kawagishi N. | 0:2 (3:6, 4:6) | details | 05.11.2024 |
| Japan: W35 Makinohara - Doubles - Main |
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| 1/8-finals | Katsumi N./Yoshioka K. | Abe H./Nagata A. | 1:2 (4:6, 6:2, 8:10) | details | 30.10.2024 |
| Australia: W35 Cairns 2 - Doubles - Main |
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| Semi-finals | Chikaraishi Y./Katsumi N. | Aiava D./Bozovic A. | 0:2 (3:6, 1:6) | details | 11.10.2024 |
| Quarter-finals | Chikaraishi Y./Katsumi N. | Aikawa M./Hosogi S. | 2:0 (6:4, 6:3) | details | 10.10.2024 |
| 1/8-finals | Chikaraishi Y./Katsumi N. | Aulia A./Williams-Phillips J. | 2:0 (6:1, 6:1) | details | 09.10.2024 |
| Australia: W35 Cairns - Doubles - Main |
|---|
| Semi-finals | Hule P./Parnaby A. | Chikaraishi Y./Katsumi N. | 2:0 (6:3, 6:2) | details | 04.10.2024 |
| Quarter-finals | Chikaraishi Y./Katsumi N. | McDonald S./Rokusek S. | 2:0 (6:3, 6:4) | details | 03.10.2024 |
| 1/8-finals | Chikaraishi Y./Katsumi N. | Bond-Scott K./Dodaj C. | 2:0 (6:1, 6:0) | details | 01.10.2024 |
| 1/8-finals | Chikaraishi Y./Katsumi N. | Aulia A./Subasic A. | CAN. | details | 01.10.2024 |
 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 |