Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF W25 Hong Kong | 2018/12/31 04:00 | Ramu Ueda v Chihiro Muramatsu | 2-6,3-6 |
| ITF Women Nonthaburi | 2018/11/13 04:30 | Ramu Ueda v Misaki Matsuda | 2-6,5-7 |
| ITF Women Nonthaburi | 2018/11/05 04:30 | Suzan Lamens v Ramu Ueda | 6-3,4-6,6-3 |
| ITF Women Hamamatsu | 2018/10/17 03:50 | Ramu Ueda v Himeno Sakatsume | 4-6,6-4,4-6 |
| ITF Women Makinohara | 2018/10/11 00:30 | Mana Ayukawa v Ramu Ueda | 7-5,1-6,6-2 |
| ITF Women Makinohara | 2018/10/10 01:45 | Ramu Ueda v Julyette M J Steur | 6-2,6-1 |
| ITF Women Brisbane | 2018/09/30 05:00 | Kaylah McPhee v Ramu Ueda | 6-3,6-3 |
| ITF Women Darwin | 2018/09/23 03:30 | Mana Ayukawa v Ramu Ueda | 4-6,6-1,6-2 |
| WTA Seoul | 2018/09/15 03:15 | Sunam Jeong v Varvara Flink | 2-6,6-3,0-6 |
| ITF Women Yeongwol | 2018/09/09 01:00 | Sunam Jeong v So-Ra Lee | 6-2,6-1 |
| ITF Women Yeongwol | 2018/09/08 03:00 | Yu Jin Ahn v Sunam Jeong | 2-6,5-7 |
| ITF Women Yeongwol | 2018/09/07 01:00 | Hanna Chang v Sunam Jeong | 2-6,3-6 |
| ITF Women Yeongwol | 2018/09/06 03:00 | Seung-Yeon Hong v Sunam Jeong | 4-6,3-6 |
| ITF Women Yeongwol | 2018/09/05 04:45 | Dainhee Kim v Sunam Jeong | 1-6,1-6 |
| ITF Women Yeongwol | 2018/08/29 04:45 | Sohyun Park v Sunam Jeong | 1-6,6-3,6-3 |
| ITF Women Nonthaburi | 2018/07/09 02:00 | Risa Ozaki v Sunam Jeong | 4-6,6-4,6-4 |