Stadium: Court 4 Round: 25
| ITF Women Zhuhai Qual | 2016/09/13 02:00 | Yuuki Tanaka v Pei-Chi Lee | 2-6,6-2,6-1 |
| ITF Women Incheon | 2018/05/16 01:30 | Peangtarn Plipuech v Yuuki Tanaka | 6-1,6-0 |
| ITF Women Nishi-Tama | 2018/03/20 06:45 | Mei Yamaguchi v Yuuki Tanaka | 6-4,3-6,1-6 |
| ITF Women Yokohama Qual | 2018/03/04 07:30 | Moyuka Uchijima v Yuuki Tanaka | 2-6,6-2,6-1 |
| ITF Women Perth Qual | 2018/02/11 02:00 | Monique Barry v Yuuki Tanaka | 2-6,1-6 |
| ITF Women Launceston | 2018/02/07 01:45 | Mai Minokoshi v Yuuki Tanaka | 6-7,6-4,6-4 |
| ITF Women Launceston Qual | 2018/02/04 23:00 | Yuuki Tanaka v Maddison Inglis | 6-1,3-6,6-2 |
| ITF Women Launceston Qual | 2018/02/03 23:00 | Yuuki Tanaka v Catherine Krueger | 6-0,6-0 |
| ITF Women Burnie Qual | 2018/01/28 01:20 | Xiyu Wang v Yuuki Tanaka | 6-4,6-7,6-1 |
| ITF Women Incheon | 2018/05/16 01:30 | Pei-Chi Lee v Nina Stojanovic | 2-6,5-7 |
| ITF Women Goyang | 2018/05/10 01:00 | Pei-Chi Lee v Maia Lumsden | 4-6,6-7 |
| ITF Women Goyang | 2018/05/08 03:05 | Jovana Jaksic v Pei-Chi Lee | 1-6,3-6 |
| ITF Women Obidos | 2018/04/18 15:35 | Pei-Chi Lee v Katie Swan | 3-6,2-6 |
| ITF Women Obidos Qual | 2018/04/17 15:00 | Pei-Chi Lee v Ines Murta | 6-3,6-3 |
| ITF Women Obidos Qual | 2018/04/16 10:00 | Pei-Chi Lee v Alise Cernecka | 6-2,1-6,7-5 |
| ITF Women Obidos | 2018/04/11 14:55 | Pei-Chi Lee v Katie Boulter | 6-3,3-6,3-6 |
| ITF Women Obidos Qual | 2018/04/09 16:15 | Pei-Chi Lee v Yuliya Hatouka | 6-1,3-6,7-6 |