Stadium: Court 7 Round: 54 Ground: Hardcourt outdoor
| ITF Women Bendigo | 2018/10/21 00:20 | Ayumi Koshiishi v Marianna Zakarlyuk | 6-4,0-6,6-7 |
| ITF Women Hamamatsu | 2018/10/17 05:30 | Ayumi Koshiishi v Miyabi Inoue | 2-6,2-6 |
| ITF Women Hamamatsu | 2018/10/15 03:40 | Ayumi Koshiishi v Karen Tsutsumi | 6-2,6-1 |
| 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 | Ayumi Koshiishi v Yui Chikaraishi | 7-6,6-2 |
| ITF Women Makinohara | 2018/10/11 00:30 | Ayumi Koshiishi v Michika Ozeki | 2-6,0-6 |
| ITF Women Makinohara | 2018/10/09 00:30 | Ayumi Koshiishi v Kisa Yoshioka | 7-5,6-3 |
| ITF Women Nanao | 2018/08/30 03:00 | Ayumi Koshiishi v Ayano Shimizu | 5-7,3-6 |
| ITF Women Bendigo | 2018/10/22 23:00 | Marine Partaud v Masa Jovanovic | 6-3,6-1 |
| ITF Women Bendigo | 2018/10/22 00:25 | Zara Brankovic v Masa Jovanovic | 4-6,3-6 |
| ITF Women Bendigo | 2018/10/21 03:00 | Tiana Windbuchler v Masa Jovanovic | 2-6,1-6 |
| ITF Women Hodmezovasarhely Qual | 2018/06/11 08:00 | Masa Jovanovic v Sofya Lansere | 1-6,0-6 |
| ITF Women Hodmezovasarhely Qual | 2018/06/10 08:00 | Masa Jovanovic v Luca Nagymihaly | 6-3,6-4 |
| ITF Women Banja Luka | 2018/06/07 10:10 | Milana Spremo v Masa Jovanovic | 6-4,7-6 |
| ITF Women Banja Luka | 2018/06/06 09:35 | Mihaela Djakovic v Masa Jovanovic | 3-6,2-6 |
| ITF Women Nis | 2018/05/31 08:40 | Barbara Bonic v Masa Jovanovic | 6-2,6-2 |