Stadium: Stadium Round: 54
| ITF Women Osaka Qual | 2018/04/08 03:30 | Haruna Arakawa v Yukina Saigo | 5-7,3-6 |
| ITF Women Osaka Qual | 2018/04/08 02:00 | Haruna Arakawa v Ying Zhang | 7-5,6-1 |
| ITF Women Kashiwa | 2018/04/03 01:00 | Lin Zhu v Haruna Arakawa | 6-0,6-1 |
| ITF Women Kofu Qual | 2018/03/24 00:30 | Ayumi Koshiishi v Haruna Arakawa | 7-5,6-4 |
| ITF Women Nishi-Tama | 2018/03/20 04:50 | Haruna Arakawa v Kanako Morisaki | 5-7,2-6 |
| ITF Women Toyota Qual | 2018/03/10 03:00 | Miyabi Inoue v Haruna Arakawa | 6-3,6-0 |
| ITF Women Yokohama Qual | 2018/03/04 05:30 | Katherine Sebov v Haruna Arakawa | 6-1,7-6 |
| ITF Women Antalya | 2018/02/15 08:35 | Haruna Arakawa v Rebecca Marino | 1-6,3-6 |
| ITF Women Obidos Qual | 2018/04/08 09:00 | Linnea Malmqvist v Warona Mdlulwa | 6-0,6-3 |
| ITF Women Mallorca Qual | 2018/02/17 11:30 | Warona Mdlulwa v Chloe Hamlin | 4-6,3-6 |
| ITF Women Mallorca | 2018/02/13 08:00 | Warona Mdlulwa v Ana Giraldi | 3-6,4-6 |
| ITF Women Mallorca | 2018/02/11 11:30 | Warona Mdlulwa v Patricia Boentgen | 7-5,5-7,6-3 |
| ITF Women Mallorca | 2018/02/06 08:30 | Ylena In-Albon v Warona Mdlulwa | 6-1,6-2 |
| ITF Women Guayaquil | 2017/12/06 18:20 | Emily Appleton v Warona Mdlulwa | 6-0,6-0 |
| ITF Women Guayaquil | 2017/12/05 17:10 | Ana Paula J-Coello v Warona Mdlulwa | 3-6,4-6 |
| ITF Women Manta | 2017/11/30 16:50 | Akilah James v Warona Mdlulwa | 6-2,6-2 |