Stadium: Court 3 Round: 25
| ITF Women Singapore | 2018/06/11 02:00 | Mai Minokoshi v Olivia Tjandramulia | 6-4,6-2 |
| ITF Women Singapore | 2018/06/04 05:40 | Olivia Tjandramulia v Zoe Hives | 3-6,5-7 |
| ITF Women Baotou | 2018/05/23 03:30 | Olivia Tjandramulia v Shilin Xu | 4-6,2-6 |
| ITF Women Kurume | 2018/05/17 01:00 | Tammi Patterson v Olivia Tjandramulia | 5-7,6-4,6-4 |
| ITF Women Kurume | 2018/05/15 02:40 | Olivia Tjandramulia v Risa Ushijima | 6-2,2-6,6-4 |
| ITF Women Fukuoka | 2018/05/10 01:00 | Olivia Tjandramulia v Ksenia Lykina | 4-6,1-6 |
| ITF Women Fukuoka | 2018/05/09 05:45 | Olivia Tjandramulia v Miyabi Inoue | 7-6,6-4 |
| ITF Women Fukuoka Qual | 2018/05/08 01:00 | Olivia Tjandramulia v Aiko Yoshitomi | 6-2,6-3 |
| ITF Women Sangju Qual | 2018/06/04 02:00 | Da Hye Kim v Na-Young Lee | 6-1,6-0 |
| ITF Women Yeongwol | 2017/08/28 01:00 | Jia Qi Ren v Na-Young Lee | 3-6,6-4,6-4 |
| ITF Women Gimcheon | 2017/06/11 02:00 | Na-Young Lee v Jeongyun Lee | 4-6,4-6 |
| ITF Women Gimcheon | 2017/06/06 01:00 | Eun Se Jang v Na-Young Lee | 6-1,3-6,6-2 |
| ITF Women Gimcheon | 2017/06/05 02:00 | Na-Young Lee v Yexin Ma | 6-2,7-6 |
| ITF Women Gimcheon | 2017/06/04 03:00 | Han Byeol Lee v Na-Young Lee | 6-4,4-6,2-6 |
| ITF Women Incheon Qual | 2017/05/14 03:00 | Na-Young Lee v Yeong Won Jeong | 1-6,2-6 |
| ITF Women Changwon Qual | 2017/05/07 03:00 | Sol Hee Sim v Na-Young Lee | 6-4,6-1 |