| Billie Jean King Cup | 07/27 03:00 | 2 | Lee, Pei-Chei v Sarah Ibrahim Khan | 6-1,6-2 | |
| Billie Jean King Cup | 07/25 05:05 | 2 | Lee, Pei-Chei v Lee, Carol Youngsuh | 5-7,5-7 | |
| Billie Jean King Cup | 07/24 03:15 | 2 | Lee, Pei-Chei v Sue Yan Tan | 6-0,6-4 | |
| ITF W25 Tainan | 06/25 02:00 | 29 | [355] Ya Yi Yang v Lee, Pei-Chei [462] | 6-2,6-1 | |
| ITF W25 Tainan | 06/24 01:50 | 28 | [462] Lee, Pei-Chei v Chia Yi Tsao [474] | 3-6,7-5,7-5 | |
| ITF W25 Tainan | 06/23 02:00 | 27 | [286] Erika Sema v Lee, Pei-Chei [462] | 2-6,3-6 | |
| ITF W25 Tainan | 06/22 02:00 | 26 | Ya-Hsin Lee v Lee, Pei-Chei | 2-6,0-6 | |
| ITF W25 Tainan | 06/21 02:00 | 25 | [307] Kanako Morisaki v Lee, Pei-Chei [462] | 2-6,2-6 | |
| ITF W25 Tainan | 06/15 05:40 | 26 | Irina Fetecau v Lee, Pei-Chei | 7-6,4-6,6-4 | |
| ITF W25 Tainan | 06/14 01:50 | 25 | Tzu-Ying Tseng v Lee, Pei-Chei | 0-6,0-6 | |
| Daegu, Singles W-ITF-KOR-04A | 06/08 03:30 | 26 | [453] Lee, Pei-Chei v Kyoka Okamura [273] | 1-6,1-6 | |
| Daegu, Singles W-ITF-KOR-04A | 06/06 01:05 | 25 | [453] Lee, Pei-Chei v Yeonwoo Ku [484] | 3-6,6-4,6-3 |
Lee Pei-chi (Chinese: 李珮琪; born 16 October 1994) is a Taiwanese professional tennis player.
Lee has won 11 singles and 20 doubles titles on the ITF Circuit. On 31 March 2014, she reached her best singles ranking of world No. 389. On 22 May 2023, she peaked at No. 216 in the doubles rankings.
Lee made her WTA Tour main-draw debut at the 2016 Taiwan Open in the singles and doubles competitions.