| ITF W25 Ourense | 08/17 08:00 | 25 | [437] Haruna Arakawa v Ya-Hsuan Lee [328] | 0-6,7-6,3-6 | |
| ITF W25 Koksijde | 08/12 13:25 | 26 | [361] Dea Herdzelas v Haruna Arakawa [437] | 6-1,6-1 | |
| ITF W25 Koksijde | 08/10 10:45 | 25 | Haruna Arakawa v Eliessa Vanlangendonck | 6-2,6-2 | |
| ITF W25 Les Contamines | 07/22 13:10 | 26 | [425] Haruna Arakawa v Jodie Anna Burrage [260] | 1-6,1-6 | |
| ITF W25 Les Contamines | 07/20 10:20 | 25 | Haruna Arakawa v Flavie Brugnone | 6-3,5-7,7-6 | |
| ITF W60 Vitoria-Gasteiz | 07/13 08:45 | 25 | [324] Maria Gutierrez Carrasco v Haruna Arakawa [419] | 1-6,6-2,6-2 | |
| ITF W25 Lisabon | 07/05 17:10 | 25 | [378] Haruka Kaji v Haruna Arakawa [426] | 6-2,6-3 | |
| ITF W25 Palma del Rio | 07/01 19:00 | 26 | [426] Haruna Arakawa v Anastasia Zakharova [267] | 1-6,3-6 | |
| ITF W25 Palma del Rio | 06/29 17:00 | 25 | Ainhoa Atucha Gomez v Haruna Arakawa | 5-7,2-6 | |
| ITF W25 Porto | 06/23 14:45 | 25 | Anastasia Tikhonova v Haruna Arakawa | 7-5,6-0 | |
| ITF W15 Monastir | 06/05 08:30 | 28 | Haruna Arakawa v Himeno Sakatsume | 1-6,5-7 | |
| ITF W15 Monastir | 06/04 08:25 | 27 | Haruna Arakawa v Lauren Proctor | 6-2,7-5 | |
| ITF W15 Monastir | 06/03 09:50 | 26 | Haruna Arakawa v Laetitia Pulchartova | Retired | |
| ITF W15 Monastir | 06/02 08:30 | 25 | Haruna Arakawa v Chiraz Bechri | 7-6,7-5 | |
| ITF W15 Monastir | 05/28 10:10 | 27 | Haruna Arakawa v Alice Robbe | Retired | |
| ITF W15 Monastir | 05/27 08:30 | 26 | Haruna Arakawa v Alice Gillan | 2-6,6-2,6-3 | |
| ITF W15 Monastir | 05/25 10:05 | 25 | Haruna Arakawa v Laetitia Pulchartova | 4-6,6-0,6-2 | |
| ITF W15 Monastir | 05/19 11:35 | 25 | Haruna Arakawa v Alessandra Simone | 2-6,5-7 | |
| ITF W25 Salinas | 05/13 16:05 | 26 | [284] Conny Perrin v Haruna Arakawa [389] | 6-3,6-1 | |
| ITF W25 Salinas | 05/12 16:15 | 25 | Haruna Arakawa v Ganna Poznikhirenko | 6-4,6-2 | |
| ITF W25 Salinas | 05/05 19:45 | 25 | Haruna Arakawa v Lia Karatancheva | 3-6,1-6 | |
| ITF W25 Oeiras | 04/27 14:40 | 24 | [393] Haruna Arakawa v Sara Cakarevic [410] | 1-6,5-7 | |
| ITF W25 Perth | 02/27 06:30 | 25 | [360] Haruna Arakawa v Alana Parnaby [467] | 3-6,6-4,6-7 | |
| ITF W60 Kyoto | 02/19 04:00 | 25 | [360] Haruna Arakawa v Erina Hayashi [369] | 6-2,2-6,6-7 | |
| ITF W25 Launceston | 02/04 22:55 | 25 | [353] Haruna Arakawa v Ayano Shimizu [289] | 2-6,0-6 | |
| ITF W60 Burnie | 01/27 22:45 | 54 | [358] Haruna Arakawa v Mana Ayukawa [232] | 7-5,3-6,5-10 | |
| ITF W25 Vero Beach | 01/20 16:00 | 54 | Dasha Ivanova v Haruna Arakawa | 6-4,6-1 | |
| ITF W25 - Daytona Beach | 01/12 16:00 | 44 | Haruna Arakawa v Nikki Redelijk | 4-6,5-7 | |
| ITF W25 Hua Hin | 11/13 03:00 | 25 | [362] Haruna Arakawa v Lesley Pattinama Kerkhove [221] | 0-6,2-6 | |
| ITF W25 Hua Hin | 11/05 03:00 | 54 | [365] Haruna Arakawa v Moyuka Uchijima [262] | 1-6,1-6 |