Stadium: Court 3 Round: 45 Ground: Clay
| ITF Women Hamamatsu | 2018/10/14 04:30 | Ayumi Koshiishi v Mayuka Aikawa | 6-3,6-2 |
| ITF Women Hamamatsu | 2018/10/14 00:00 | Sae Haraguchi v Mayuka Aikawa | 1-6,6-3,5-7 |
| ITF Women Makinohara | 2018/10/07 03:00 | Ayumi Miyamoto v Mayuka Aikawa | 6-4,6-0 |
| ITF Women Kyoto | 2018/09/05 03:30 | Anri Nagata v Mayuka Aikawa | 6-3,6-4 |
| ITF Women Kyoto | 2018/09/02 03:00 | Miyu Nakashima v Mayuka Aikawa | 4-6,4-6 |
| ITF Women Nanao | 2018/08/27 04:45 | Mayuka Aikawa v Kumi So | 2-6,4-6 |
| ITF Women Nanao | 2018/08/26 04:15 | Ivana Popovic v Mayuka Aikawa | 4-6,4-6 |
| ITF Women Nanao | 2018/08/26 01:00 | Mayuka Aikawa v Chinatsu Shimizu | 6-3,6-3 |
| ITF W15 Antalya | 2019/01/16 09:00 | Julia Stamatova v Ayano Sonoda | 6-2,6-1 |
| ITF Women Hamamatsu | 2018/10/14 02:00 | Ayano Sonoda v Ena Shibahara | 1-6,0-6 |
| ITF Women Kyoto | 2018/09/02 01:00 | Ayano Sonoda v Anri Nagata | 1-6,1-6 |
| ITF Women Nanao | 2018/08/26 03:25 | Kotomi Takahata v Ayano Sonoda | 6-4,6-0 |
| ITF Women Antalya | 2018/06/04 07:30 | Ayano Sonoda v Marie Mettraux | 1-6,1-6 |
| ITF Women Antalya | 2018/05/30 09:10 | Ayano Sonoda v Melis Sezer | 0-6,2-6 |
| ITF Women Antalya Qual | 2018/05/28 11:10 | Ayano Sonoda v Stephanie Belovukovic | 7-6,1-6,5-7 |
| ITF Women Kurume Qual | 2018/05/13 08:40 | Mitsumi Kawasaki v Ayano Sonoda | 6-1,6-1 |