| ITF W25 Incheon | 05/18 03:30 | 26 | Heerae Im v Haruna Arakawa | 6-3,6-2 | |
| ITF W25 Incheon | 05/17 01:00 | 25 | [465] Yeonwoo Ku v Haruna Arakawa [432] | 6-2,4-6,1-6 | |
| ITF W80 Gifu | 05/03 02:45 | 25 | [180] Mai Hontama v Haruna Arakawa [421] | 6-1,6-0 | |
| ITF W80 Gifu | 05/01 03:55 | 54 | Haruna Arakawa v Hayu Kinoshita | 6-4,6-0 | |
| ITF W25 Osaka | 04/13 01:30 | 26 | [298] Xiaodi You v Haruna Arakawa [430] | 6-1,6-3 | |
| ITF W25 Osaka | 04/12 01:00 | 25 | [430] Haruna Arakawa v Aoi Ito [486] | 6-3,6-4 | |
| ITF W25 Kashiwa | 04/05 02:40 | 25 | Haruna Arakawa v Sara Saito | 6-0,4-6,4-6 | |
| ITF W25 Jakarta | 03/29 04:20 | 25 | [435] Haruna Arakawa v Rutuja Bhosale [385] | 2-6,2-6 | |
| ITF W25 Jakarta | 03/21 02:00 | 19 | [435] Haruna Arakawa v Katarina Kozarov [493] | 6-4,2-6,2-10 | |
| ITF W25 Jakarta | 03/20 02:00 | 44 | Haruna Arakawa v Daniella Clara Suryapranata | 6-1,6-1 | |
| ITF W15 Jakarta | 03/17 02:00 | 27 | Anastasia Kovaleva v Haruna Arakawa | Retired | |
| ITF W15 Jakarta | 03/16 03:50 | 26 | Jing-Jing Lu v Haruna Arakawa | Retired | |
| ITF W15 Jakarta | 03/15 02:45 | 25 | Sunam Jeong v Haruna Arakawa | 2-6,2-6 | |
| ITF W60 Orlando | 02/08 15:00 | 25 | [237] Hailey Baptiste v Haruna Arakawa [403] | 6-4,7-6 | |
| ITF W60 Orlando | 02/07 15:50 | 54 | [381] Chiara Scholl v Haruna Arakawa [403] | 1-6,0-6 | |
| ITF W60 Orlando | 02/06 18:50 | 54 | Mana Ayukawa v Haruna Arakawa | 2-6,1-6 | |
| ITF W60 Roma, GA | 01/30 21:00 | 54 | Haruna Arakawa v Yulia Starodubtseva | 4-6,3-6 | |
| ITF W25 Orlando | 01/25 16:15 | 25 | Haruna Arakawa v Sophie Chang | 1-6,0-6 | |
| ITF W40 Nonthaburi | 01/11 07:25 | 25 | [398] Haruna Arakawa v Haruka Kaji [333] | 6-4,6-7,2-6 | |
| ITF W40 Nonthaburi | 01/03 02:50 | 25 | [400] Punnin Kovapitukted v Haruna Arakawa [391] | 6-2,7-5 | |
| ITF W60 Kioto | 12/22 00:55 | 26 | [362] Momoko Kobori v Haruna Arakawa [407] | 7-5,6-3 | |
| ITF W60 Kioto | 12/20 02:30 | 25 | Rinko Matsuda v Haruna Arakawa | 2-6,4-6 | |
| ITF W25 Traralgon | 11/23 03:55 | 25 | [422] Haruna Arakawa v Ankita Raina [302] | 3-6,0-6 | |
| ITF W25 Traralgon | 11/17 23:00 | 27 | [358] Naiktha Bains v Haruna Arakawa [424] | 6-3,6-2 | |
| ITF W25 Traralgon | 11/17 02:10 | 26 | [492] Punnin Kovapitukted v Haruna Arakawa [424] | 5-7,3-6 | |
| ITF W25 Traralgon | 11/15 06:20 | 25 | Natsuho Arakawa v Haruna Arakawa | 1-6,1-6 | |
| ITF W25 Yokohama | 11/09 07:45 | 25 | [424] Haruna Arakawa v Miyu Kato [49] | 3-6,1-6 | |
| ITF W60 Sydney | 11/01 23:30 | 25 | [357] Makenna Jones v Haruna Arakawa [425] | 2-6,6-0,7-5 | |
| ITF W60 Playford | 10/25 04:30 | 25 | [240] Kimberly Birrell v Haruna Arakawa [412] | Retired | |
| ITF W25 Hamamatsu | 10/12 05:25 | 25 | [402] Haruna Arakawa v Haruka Kaji [446] | 2-6,2-6 |