Lulu Sun 3-6,6-1,4-6 Haruka Kaji 2017-12-27 04:45
Round: 26 Ground: Hardcourt outdoor
Home History
| ITF Women Hong Kong | 2017/12/25 04:35 | Aldila Sutjiadi v Lulu Sun | 5-7,2-6 |
| ITF Women Navi Mumbai Qual | 2017/12/16 06:25 | Aliona Bolsova Zadoinov v Lulu Sun | 6-1,6-2 |
| ITF Women Nonthaburi | 2017/10/11 03:15 | En Shuo Liang v Lulu Sun | 6-4,6-1 |
| ITF Women Nonthaburi | 2017/10/10 02:00 | Lulu Sun v Varunya Wongteanchai | 6-3,6-3 |
| ITF Women Nonthaburi | 2017/10/07 02:00 | Lulu Sun v Ji-Hee Choi | 2-6,3-6 |
| ITF Women Nonthaburi | 2017/10/06 02:00 | Lulu Sun v Patcharin Cheapchandej | 6-0,6-4 |
| ITF Women Nonthaburi | 2017/10/05 05:10 | Valentina Ryser v Lulu Sun | 6-7,4-6 |
| ITF Women Nonthaburi | 2017/10/04 09:45 | Lulu Sun v Nudnida Luangnam | 5-7,6-4,6-1 |
Away History
| ITF Women Hong Kong | 2017/12/26 06:40 | Mana Ayukawa v Haruka Kaji | 5-7,6-7 |
| WTA Honolulu | 2017/11/20 21:15 | Haruka Kaji v Eri Hozumi | 5-7,1-6 |
| WTA Honolulu Qual | 2017/11/19 22:45 | Mari Osaka v Haruka Kaji | 3-6,5-7 |
| ITF Women Toyota | 2017/11/17 04:10 | Mihaela Buzarnescu v Haruka Kaji | 6-3,6-3 |
| ITF Women Toyota | 2017/11/16 01:00 | Haruka Kaji v Rika Fujiwara | 7-6,6-2 |
| ITF Women Toyota | 2017/11/14 01:00 | Haruka Kaji v Alize Lim | 3-6,6-3,7-6 |
| ITF Women Tokyo | 2017/11/08 08:15 | Eri Hozumi v Haruka Kaji | 6-4,7-5 |
| ITF Women Hamamatsu | 2017/10/18 01:40 | Haruka Kaji v Ingrid Neel | 3-6,7-6,1-6 |