| ITF W15 Nakhon Si Thammarat | 06/14 01:55 | 25 | Natsuho Arakawa v Zhanel Rustemova | 6-3,6-1 | |
| ITF W15 Nakhon Si Thammarat | 06/06 03:30 | 25 | Natsuho Arakawa v Anastasia Sukhotina | 6-2,5-7,1-6 | |
| ITF W25 Nakhon Si Thammarat | 05/30 02:00 | 25 | Patcharin Cheapchandej v Natsuho Arakawa | 7-6,6-3 | |
| ITF W25 Goyang | 05/22 02:55 | 54 | Natsuho Arakawa v Haram Kim | 1-6,5-7 | |
| ITF W25 Goyang | 05/21 05:15 | 54 | Natsuho Arakawa v Kahyeon Han | 7-6,6-1 | |
| ITF W25 Incheon | 05/15 04:55 | 62 | Natsuho Arakawa v Xinyu Jiang | 2-6,0-6 | |
| ITF W25 Incheon | 05/15 01:00 | 62 | Natsuho Arakawa v Eunchae Kim | 6-4,7-5 | |
| ITF W80 Gifu | 05/01 03:05 | 54 | [487] Pei-Chi Lee v Natsuho Arakawa [299] | 6-1,6-0 | |
| ITF W15 Osaka | 04/19 05:00 | 25 | [285] Natsuho Arakawa v Ji-Hee Choi [309] | 3-6,1-6 | |
| ITF W25 Osaka | 04/09 01:00 | 62 | Eri Shimizu v Natsuho Arakawa | 6-4,6-0 | |
| ITF W25 Kashiwa | 04/05 03:50 | 25 | [285] Kyoka Okamura v Natsuho Arakawa [281] | 7-5,6-3 | |
| ITF W25 Jakarta | 03/27 02:00 | 44 | Xinyu Jiang v Natsuho Arakawa | 7-6,6-4 | |
| ITF W25 Jakarta | 03/20 04:00 | 44 | Nana Kawagishi v Natsuho Arakawa | 4-6,7-6,10-7 | |
| ITF W15 Jakarta | 03/15 02:30 | 25 | Michika Ozeki v Natsuho Arakawa | 6-4,6-4 | |
| ITF W60 Orlando | 02/06 18:00 | 54 | Irene Burillo Escorihuela v Natsuho Arakawa | 6-0,6-3 | |
| ITF W60 Rome GA | 01/30 15:00 | 54 | Sara Daavettila v Natsuho Arakawa | 6-1,6-2 | |
| ITF W25 Orlando | 01/23 14:30 | 54 | Alexis Nguyen v Natsuho Arakawa | 6-4,6-1 | |
| ITF W40 Nonthaburi Qual | 01/08 04:00 | 54 | Natsuho Arakawa v Sina Herrmann | 1-6,6-7 | |
| ITF W40 Nonthaburi | 01/01 05:55 | 54 | [459] Pei-Chi Lee v Natsuho Arakawa [286] | 6-3,6-4 | |
| ITF W60 Kyoto | 12/19 06:20 | 45 | Natsuho Arakawa v Sara Saito | 3-6,4-6 | |
| ITF W60 Kyoto | 12/19 00:00 | 45 | [294] Natsuho Arakawa v Yukina Saigo [479] | 6-2,6-7,14-12 | |
| ITF W25 Traralgon | 11/24 23:00 | 26 | [335] Natsuho Arakawa v Jaimee Fourlis [167] | 1-6,4-6 | |
| ITF W25 Traralgon | 11/24 00:50 | 25 | Natsuho Arakawa v Stefani Webb | 6-2,4-6,6-2 | |
| ITF W25 Traralgon | 11/15 06:20 | 25 | Natsuho Arakawa v Haruna Arakawa | 1-6,1-6 | |
| ITF W25 Yokohama | 11/07 02:45 | 54 | Natsuho Arakawa v Yuka Hosoki | 5-7,4-6 | |
| ITF W60 Sydney | 10/31 01:05 | 54 | Zuzana Zlochova v Natsuho Arakawa | 6-2,6-3 | |
| ITF W60 Sydney | 10/30 05:10 | 54 | Jemma Carbis v Natsuho Arakawa | 3-6,5-7 | |
| ITF W60 Playford | 10/27 03:30 | 26 | [152] Priscilla Hon v Natsuho Arakawa [362] | 6-3,6-3 | |
| ITF W60 Playford | 10/25 23:30 | 25 | Natsuho Arakawa v Zuzana Zlochova | 6-2,6-2 | |
| ITF W60 Playford | 10/24 04:55 | 54 | Natsuho Arakawa v Gurmanat Kaur Sandhu | 4-6,6-2,10-2 |