Sun Xinran

Sun Xinran (; born 23 July 2010) is a Chinese tennis player. She has a career-high WTA singles ranking of world No. 612, achieved on 15 June 2026.

On the ITF Junior Circuit, she reached a combined ranking of world No. 1 in June 2026.

Career Sun began playing tennis at the age of five. She plays right-handed and lists hard courts as her preferred surface. In March 2025, Sun won the J300 tournament in Nonthaburi, Thailand. Later that year, she won back-to-back W15 titles in Sharm El Sheikh, Egypt, on the ITF Women's World Tennis Tour. In December 2025, Sun won the girls' singles title at the J500 Fort Lauderdale tournament, also known as the Orange Bowl, defeating Kristina Liutova in the final. She became the youngest Chinese winner of a J500 tournament. In May 2026, Sun won the girls' singles title at the 2026 Trofeo Bonfiglio, becoming the first Chinese player, male or female, to win two J500 singles titles.

Sun was runner-up in the girls' singles at the 2026 French Open, losing to Alisa Oktiabreva, and at the 2026 Wimbledon Championships, where she was defeated by Anna Pushkareva.

ITF Circuit finals Singles: 2 (2 titles) LegendW15 tournaments (2–0)Finals by surfaceHard (2–0)Clay (–)

Doubles: 1 (runner-up) LegendW15 tournaments (0–1)Finals by surfaceHard (0–1)

ITF Junior Circuit

Junior Grand Slam tournaments

Singles: 2 (2 runner-ups)

ITF Junior

Singles: 19 (10 titles, 9 runner-ups) LegendJ500/JGS (2–2)J300 (3–1)J200 (0–3)J100 (1–0)J60 (4–2)J30 (0–1)Finals by surfaceHard (4–4)Clay (6–4)Grass (0–1)

Doubles: 5 (3 titles, 2 runner-ups) LegendJ300 (2–1)J100 (0–1)J60 (1–0)Finals by surfaceHard (1–2)Clay (2–0)

ResultW–LDateLocationTierSurfacePartnerOpponentsScore Win 1–0 ITF Skopje, North Macedonia J60 Clay Dušica Popovski Sonia Erika Butuc Cerchez Lara Savic 7–6(1), 6–2 Loss 1–1 ITF Shanghai, China J100 Hard Geng Xinle Luo Xi Tang Xiao 2–6, 1–6 Loss 1–2 ITF College Park, United States J300 Hard Shao Yushan Kamonwan Yodpetch Zhang Ruien 5–7, 6–4, [5–10] Win 2–2 ITF Beijing, China J300 Hard Shao Yushan Li Yuyao Tang Xiao 1–6, 6–2, [10–6] Win 3–2 ITF Bradenton, United States J300 Clay Kanon Sawashiro Anastasija Cvetković Sol Ailin Larraya Guidi 6–2, 6–4