| ITF - Daegu W25 | 06/08 01:00 | 27 | Sunam Jeong v Haruna Arakawa | 1-6,5-7 | |
| ITF - Daegu W25 | 06/06 02:00 | 26 | [460] Haruna Arakawa v Yuxuan Zhang [239] | 4-6,7-5,6-2 | |
| ITF - Daegu W25 | 06/05 03:35 | 25 | Haruna Arakawa v Shinhee Kim | 6-0,6-2 | |
| ITF - Incheon W25 | 05/30 03:55 | 26 | [325] Su Jeong Jang v Haruna Arakawa [460] | 6-1,7-5 | |
| ITF - Incheon W25 | 05/28 04:00 | 25 | [458] Jennifer Elie v Haruna Arakawa [460] | 1-6,6-7 | |
| ITF - Karuizawa W25 | 05/22 01:00 | 25 | [457] Haruna Arakawa v Jovana Jaksic [267] | 0-6,2-6 | |
| ITF - Kurume W60 | 05/15 02:25 | 25 | [316] Junri Namigata v Haruna Arakawa [470] | 6-4,4-6,6-4 | |
| ITF - Kurume W60 | 05/13 05:50 | 45 | [470] Haruna Arakawa v Ramu Ueda [430] | 4-6,7-6,10-4 | |
| ITF - Kurume W60 | 05/13 02:25 | 45 | Haruna Arakawa v Momo Saitou | 6-1,6-0 | |
| ITF - Fukuoka W60 | 05/06 03:00 | 45 | [106] Ena Shibahara v Haruna Arakawa [467] | 6-0,6-4 | |
| ITF - Osaka W25 | 04/09 01:00 | 25 | [461] Haruna Arakawa v Erika Sema [400] | 0-6,2-6 | |
| ITF W80 Palm Harbor | 04/03 16:35 | 25 | [466] Haruna Arakawa v Whitney Osuigwe [187] | 2-6,4-6 | |
| ITF W80 Palm Harbor | 04/02 23:00 | 45 | [466] Haruna Arakawa v Laura Pigossi [154] | 1-6,2-6 | |
| ITF W80 Palm Harbor | 04/01 14:00 | 45 | Haruna Arakawa v Rushri Wijesundera | 6-0,6-1 | |
| ITF - Canberra W25 | 03/21 01:10 | 26 | [477] Haruna Arakawa v Maddison Inglis [369] | 6-4,6-7,3-6 | |
| ITF - Canberra W25 | 03/19 23:00 | 25 | [442] Alexandra Bozovic v Haruna Arakawa [477] | 3-6,7-5,1-6 | |
| ITF W25 Nishi-Tama | 03/12 04:15 | 25 | [474] Haruna Arakawa v Rebecca Marino [203] | 2-6,1-6 | |
| ITF - Mildura W25 | 03/06 04:00 | 25 | Lulu Sun v Haruna Arakawa | 6-2,6-2 | |
| ITF W15 Perth | 02/22 03:30 | 27 | Amber Marshall v Haruna Arakawa | 4-6,6-2,6-3 | |
| ITF W15 Perth | 02/21 03:20 | 26 | Lisa Mays v Haruna Arakawa | 5-7,0-6 | |
| ITF W15 Perth | 02/19 02:00 | 25 | Mary Ann Liu v Haruna Arakawa | 1-6,2-6 | |
| ITF - Antalya W15 | 02/12 09:00 | 25 | Alexandra Damaschin v Haruna Arakawa | 6-3,7-5 | |
| ITF - Antalya W15 | 02/09 10:30 | 28 | [476] Haruna Arakawa v Yuki Naito [358] | 3-6,6-0,5-7 | |
| ITF - Antalya W15 | 02/08 14:30 | 27 | Haruna Arakawa v Eliessa Vanlangendonck | 5-7,6-4,6-0 | |
| ITF - Antalya W15 | 02/07 13:55 | 26 | Haruna Arakawa v Mayuka Aikawa | 6-2,2-6,7-6 | |
| ITF - Antalya W15 | 02/06 09:30 | 25 | Haruna Arakawa v Sowjanya Bavisetti | Retired | |
| ITF - Antalya W15 | 02/02 08:10 | 26 | Viktoriia Dema v Haruna Arakawa | 6-7,6-4,10-5 | |
| ITF - Antalya W15 | 02/01 12:15 | 25 | Evgeniya Burdina v Haruna Arakawa | 2-6,6-3,4-10 | |
| ITF - Antalya W15 | 01/27 11:25 | 25 | Stephanie J Visscher v Haruna Arakawa | 6-2,7-6 | |
| ITF - Petit-Bourg W25 | 01/17 20:20 | 26 | Kelia Le Bihan v Haruna Arakawa | 6-1,6-2 |