Lee Pei-chi
Lee Pei-chi is a Taiwanese professional tennis player.
Lee has won seven singles and 14 doubles titles on the ITF Women's Circuit. On 31 March 2014, she reached her best singles ranking of world No. 389. On 24 June 2019, she peaked at No. 263 in the doubles rankings.
Lee made her WTA Tour main-draw debut at the 2016 Taiwan Open in the singles and doubles competitions.
ITF Circuit finals
Singles: 18 (10 titles, 8 runner–ups)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Win | 1–0 | May 2012 | ITF New Delhi, India | 10,000 | Hard |  Natasha Palha | 6–4, 6–2 |
| Loss | 1–1 | Apr 2013 | ITF Heraklion, Greece | 10,000 | Carpet |  Valentini Grammatikopoulou | 6–7, 6–3, 2–6 |
| Win | 2–1 | May 2013 | ITF Athens, Greece | 10,000 | Hard |  Marina Kachar | 6–1, 7–5 |
| Win | 3–1 | May 2013 | ITF Athens, Greece | 10,000 | Hard | Despoina Vogasari | 6–2, 6–3 |
| Loss | 3–2 | Sep 2013 | ITF Yeongwol, South Korea | 10,000 | Hard |  Wang Yafan | 6–2, 1–6, 2–6 |
| Loss | 3–3 | Sep 2013 | ITF Athens, Greece | 10,000 | Hard |  Polina Leykina | 7–5, 4–6, 3–6 |
| Loss | 3–4 | Jun 2014 | ITF Bangkok, Thailand | 10,000 | Hard |  Elise Mertens | 3–6, 2–6 |
| Win | 4–4 | May 2015 | ITF Tarakan, Indonesia | 10,000 | Hard |  Rifanty Kahfiani | 6–0, 6–1 |
| Loss | 4–5 | Sep 2015 | ITF Solo, Indonesia | 10,000 | Hard |  Chayenne Ewijk | 4–6, 7–5, 2–6 |
| Win | 5–5 | Jun 2017 | ITF Taipei, Taiwan | 15,000 | Hard |  Haruka Kaji | 3–6, 7–5, 6–2 |
| Win | 6–5 | Sep 2017 | ITF Sharm El Sheikh, Egypt | 15,000 | Hard | Magali Kempen | 7–6, 6–3 |
| Loss | 6–6 | Oct 2017 | ITF Sharm El Sheikh, Egypt | 15,000 | Hard | Magali Kempen | 7–6, 6–7, 4–6 |
| Win | 7–6 | Oct 2017 | ITF Sharm El Sheikh, Egypt | 15,000 | Hard |  Arlinda Rushiti | 6–0, 6–3 |
| Loss | 7–7 | Jul 2018 | ITF Taipei, Taiwan | 15,000 | Hard |  Wu Ho-ching | 6–3, 4–5 ret. |
| Win | 8–7 | Nov 2019 | ITF Sharm El Sheikh, Egypt | 15,000 | Hard |  Melanie Klaffner | 6–2, 2–6, 6–2 |
| Win | 9–7 | Nov 2019 | ITF Sharm El Sheikh, Egypt | 15,000 | Hard |  Martina Přádová | 6–4, 7–6 |
| Win | 10–7 | Nov 2019 | ITF Sharm El Sheikh, Egypt | 15,000 | Hard | Anna Morgina | 6–2, 6–4 |
| Loss | 10–8 | Dec 2019 | ITF Nonthaburi, Thailand | 15,000 | Hard |  Nigina Abduraimova | 1–6, 6–1, 3–6 |
Doubles (15–20)
| Outcome | No. | Date | Tournament | Surface | Partner | Opponents | Score |
| Runner-up | 1 | 11 September 2011 | Yeongwol, South Korea | Hard |  Lee Hua-chen |  Kim Jin-hee Kim Ji-young | 1–6, 1–6 |
| Runner-up | 2 | 26 2 2012 | Antalya, Turkey | Clay | Lee Hua-chen |  Ksenia Milevskaya  Yuliya Beygelzimer | 3–6, 6–7 |
| Runner-up | 3 | 24 9 2012 | Gulbarga, India | Hard | Yang Chia-hsien | Kim Hae-sung Kim Ju-eun | 1–6, 1–6 |
| Runner-up | 4 | 8 July 2013 | Bangkok, Thailand | Hard |  Varunya Wongteanchai | Lu Jiajing Lu Jiaxiang | 4–6, 4–6 |
| Runner-up | 5 | 29 September 2013 | Athens, Greece | Hard | Maria Sakkari |  Keren Shlomo Saray Sterenbach | 6–3, 1–6, |
| Runner-up | 6 | 25 November 2013 | São Paulo, Brazil | Clay |  Gabriela Cé | Nathaly Kurata Eduarda Piai | 1–6, 6–1, |
| Runner-up | 7 | 28 April 2014 | Antalya, Turkey | Hard | Alona Fomina |  Victoria Rodríguez Marcela Zacarías | 4–6, 6–4, |
| Winner | 1 | 22 June 2014 | Taipei, Taiwan | Hard | Kao Shao-yuan | Mai Minokoshi Akiko Omae | 6–1, 6–4 |
| Runner-up | 8 | 23 June 2014 | Bangkok, Thailand | Hard | Nungnadda Wannasuk | Yumi Miyazaki Kotomi Takahata | 3–6, 1–6 |
| Runner-up | 9 | 1 November 2014 | Phuket, Thailand | Hard | Kamonwan Buayam | Peangtarn Plipuech Nicha Lertpitaksinchai | 5–7, 3–6 |
| Runner-up | 10 | 16 February 2015 | New Delhi, India | Hard | Hsu Ching-wen | Tang Haochen Yang Zhaoxuan | 5–7, 1–6 |
| Runner-up | 11 | 23 February 2015 | Aurangabad, India | Clay | Hsu Ching-wen | Lee Ya-hsuan Varatchaya Wongteanchai | 1–6, 6–7 |
| Runner-up | 12 | 14 March 2015 | Jiangmen, China | Hard | Li Yihong | Choi Ji-hee Kim Na-ri | 6–4, 2–6, |
| Winner | 2 | 13 April 2015 | Heraklion, Greece | Hard | Sharrmadaa Baluu | Tamara Čurović Aryna Sabalenka | 4–6, 6–3, |
| Winner | 3 | 18 May 2015 | Tarakan, Indonesia | Hard | Hirono Watanabe | Ashmitha Easwaramurthi Yu Yuanyi | 5–7, 6–1, |
| Winner | 4 | 22 June 2015 | Kaohsiung, Taiwan | Hard | Hirono Watanabe | Lee Ya-hsuan Pai Ya-yun | 6–3, 7–5 |
| Runner-up | 13 | 7 September 2015 | Kyoto, Japan | Hard | Hsu Ching-wen | Akari Inoue Miki Miyamura | 3–6, 0–6 |
| Winner | 5 | 13 March 2016 | Nanjing, China | Hard | Zhang Ying | Xun Fangying Zhao Di | 6–2, 7–5 |
| Runner-up | 14 | 28 May 2016 | Incheon, South Korea | Hard | Kamonwan Buayam | Han Sung-hee Makoto Ninomiya | 3–6, 1–6 |
| Winner | 6 | 26 June 2016 | Kaohsiung, Taiwan | Hard | Chien Pei-ju | Cho I-hsuan Lee Hua-chen | 7–5, 6–2 |
| Runner-up | 15 | 30 September 2016 | Hua Hin, Thailand | Hard | Kamonwan Buayam |  Katarzyna Kawa Laura Pigossi | 5–7, 7–6, |
| Runner-up | 16 | 7 October 2016 | Hua Hin, Thailand | Hard | Kamonwan Buayam | Cho I-hsuan Zhang Yukun | 6–2, 3–6, |
| Winner | 7 | 5 December 2016 | Cairo, Egypt | Clay |  Inês Murta |  Lisa-Marie Mätschke Kerstin Peckl | 6–1, 6–0 |
| Winner | 8 | 3 September 2017 | Yeongwol, South Korea | Hard | Kim Na-ri | Choi Ji-hee Kang Seo-kyung | 6–2, 6–2 |
| Winner | 9 | 10 September 2017 | Yeongwol, South Korea | Hard | Kim Na-ri | Kim Da-bin Lee So-ra | 6–1, 7–5 |
| Runner-up | 17 | 24 September 2017 | Sharm El Sheikh, Egypt | Hard | Hsieh Yu-ting | Chen Pei-hsuan Wu Fang-hsien | 6–7, 6–3, |
| Runner-up | 18 | 1 October 2017 | Sharm El Sheikh, Egypt | Hard | Kanika Vaidya | Chen Pei-hsuan Wu Fang-hsien | 0–6, 6–1, |
| Runner-up | 19 | 11 November 2017 | Pune, India | Hard | Yana Sizikova |  Jaqueline Cristian  Tereza Mihalíková | 6–4, 3–6, |
| Runner-up | 20 | 24 February 2018 | Sharm El Sheikh, Egypt | Hard | Pranjala Yadlapalli |  Martina Colmegna Valeriya Solovyeva | 2–6, 3–6 |
| Winner | 10 | 10 March 2018 | Sharm El Sheikh, Egypt | Hard | Yuliya Hatouka | Laura-Ioana Andrei  Julia Terziyska | 4–6, 7–6, |
| Winner | 11 | 22 June 2018 | Hong Kong | Hard | Jessy Rompies |  Victoria Muntean Pranjala Yadlapalli | 6–3, 6–4 |
| Winner | 12 | 14 July 2018 | Nonthaburi, Thailand | Hard | Robu Kajitani | Guo Hanyu Peangtarn Plipuech | 6–4, 6–2 |
| Winner | 13 | 27 January 2019 | Plantation, United States | Clay | Hsieh Yu-chieh | Olga Govortsova  Jada Robinson | 6–1, 6–4 |
| Winner | 14 | 9 June 2019 | Daegu, South Korea | Hard | Hsieh Yu-chieh | Choi Ji-hee Han Na-lae | 6–3, 7–6 |
| Winner | 15 | November 2019 | Sharm El Sheikh, Egypt | Hard | Ana Bianca Mihăilă |  Aleksandra Pitak Katarzyna Pitak | 6–2, 6–4 |