| 2018 Fed Cup | 2018/02/07 04:30 | Kurumi Nara v Peangtarn Plipuech | 6-0,6-2 |
| WTA Taipei | 2018/01/30 04:00 | Kurumi Nara v Pauline Parmentier | 6-1,4-6,1-6 |
| Australian Open Women | 2018/01/16 00:00 | Kurumi Nara v Marketa Vondrousova | 5-7,4-6 |
| WTA Hobart | 2018/01/08 03:35 | Kurumi Nara v Elise Mertens | 0-6,4-6 |
| WTA Hobart Qual | 2018/01/07 03:00 | Madison Brengle v Kurumi Nara | 3-6,4-6 |
| WTA Hobart Qual | 2018/01/06 07:30 | Astra Sharma v Kurumi Nara | 0-6,1-6 |
| WTA Auckland | 2018/01/02 01:55 | Kurumi Nara v Johanna Larsson | 6-7,3-6 |
| WTA Honolulu | 2017/11/20 22:20 | Kurumi Nara v Ajla Tomljanovic | 2-6,2-6 |
| 2018 Fed Cup | 2018/02/07 04:30 | Ya-Hsuan Lee v Sunam Jeong | 3-6,3-6 |
| ITF Women Toyota Qual | 2017/11/12 04:15 | Nagi Hanatani v Sunam Jeong | 6-4,6-3 |
| ITF Women Tokyo Qual | 2017/11/06 01:00 | Sunam Jeong v Tori Kinard | 6-3,4-6,3-6 |
| ITF Women Tokyo Qual | 2017/11/05 01:00 | Sunam Jeong v Michika Ozeki | 6-0,6-2 |
| ITF Women Tokyo Qual | 2017/11/04 01:00 | Sunam Jeong v Suzuho Oshino | 6-2,6-2 |
| WTA Seoul Qual | 2017/09/16 02:00 | Sunam Jeong v Anna Morgina | 3-6,6-7 |
| ITF Women Tianjin | 2017/07/18 03:40 | Sunam Jeong v Yue Yuan | 1-6,4-6 |
| ITF Women Tianjin Qual | 2017/07/16 03:30 | Sunam Jeong v Wushuang Zheng | 6-4,6-2 |