| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/18 01:00 | 타카하타, 코토미 v 니시자토, 키코 | 6-3,6-3 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/05 07:00 | Vukovic, Daniela v 니시자토, 키코 | 6-4,6-3 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/04 08:30 | 니시자토, 키코 v 프렌, 파울라 | 6-1,6-0 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/03 08:30 | 오브차렌코, 에카테리나 v 니시자토, 키코 | 2-6,4-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/02/25 07:30 | Cameron, Dainah v 니시자토, 키코 | 3-6,6-3,6-4 |
| Hamamatsu, Singles Qualifying W-C25-JPN-06A | 2017/10/14 01:00 | 수토, 미나미 v 니시자토, 키코 | 5-7,6-3,6-0 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2017/06/12 02:00 | 니시자토, 키코 v Sakata, Kimika | 3-6,2-6 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2017/06/11 04:00 | 이, 페이치 v 니시자토, 키코 | 6-2,2-6,5-7 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/03/24 04:00 | 오가타, 하인 v 와차지크, 줄리아 | 1-6,1-6 |
| ITF Women Toyota Qual | 2018/03/11 01:00 | Yoshioka, Kisa v 와차지크, 줄리아 | 3-6,4-6 |
| ITF Women Toyota Qual | 2018/03/10 01:00 | 타케브, 세나 v 와차지크, 줄리아 | 0-6,2-6 |
| Yokohama, Singles Qualifying W-WITF-JPN-01B | 2018/03/04 05:30 | 미야모토, 아유미 v 와차지크, 줄리아 | 1-6,2-6 |
| ITF Women Loughborough Qual | 2018/02/05 10:00 | 와차지크, 줄리아 v 밀러, 넬 | 4-6,2-6 |
| Wesley Chapel, Singles Qualifying W-WITF-USA-03A | 2018/01/22 16:00 | 와차지크, 줄리아 v 파크스, 알리시아 | 6-2,6-3 |
| Wesley Chapel, Singles Qualifying W-WITF-USA-03A | 2018/01/21 17:30 | 와차지크, 줄리아 v 후, 빅토리아 | 6-2,6-1 |
| ITF Women Orlando Qual | 2018/01/14 21:00 | 크레멘, 일로나 v 와차지크, 줄리아 | 6-2,6-3 |