Wei Sijia
Wei Sijia is a Chinese tennis player.
She has a career-high WTA singles ranking of world No. 114, achieved on 31 March 2025 and a doubles ranking of No. 257, attained on the 17 July 2023.
Professional career
2022: First tournament wins
After not playing on the ITF World Tennis Tour in 2021, Wei began 2022 competing in qualifying draws at the $15k level. With steadily improving results, she won her first final at the end of June. This led to a total of 16 titles, and her WTA ranking climbed from 1054 at the end of 2020 to 434 a year later. All 16 titles were won in Monastir.In 2022, her first full year on the ITF Women's Tour, Wei won more matches than any other player with 64 main-draw wins. Her total of ten doubles titles was also equal to the most for any player.
Wei won her first ITF Circuit title above the $15k-level at the 2022 Open Feu Aziz Zouhir, in the doubles draw, partnering Priska Madelyn Nugroho. It was the fourth title win for the two partners.
2023-2025: WTA Tour and major debuts
Wei qualified for the 2023 [Jiangxi Open – Singles|2023 Jiangxi Open] making her WTA Tour debut, losing in the first round to Kimberly Birrell.She qualified for the main draw of the 2024 [Thailand Open 2 – Singles|2024 Thailand Open 2] but lost to compatriot and fellow qualifier Gao Xinyu in the first round. Ranked No. 140, she received a wildcard for the main draw of the WTA 1000 2024 [China Open – Women's singles|2024 China Open] making her debut at this WTA level and defeated qualifier Elena-Gabriela Ruse for her first WTA Tour win. She lost in the second round to 13th seed Beatriz Haddad Maia. Wei was given a wildcard entry into the 2024 [Guangzhou Open – Singles|2024 Guangzhou Open] and defeated sixth seed Rebecca Šramková in the first round to record her first win over a top-100 ranked opponent. In the second round, she lost to Wang Xiyu in three sets.
Wei was runner-up at the 2025 [Canberra Tennis International – Women's singles|2025 WTA 125 Canberra Tennis International], losing to Aoi Ito in the final. She made her Grand Slam tournament main draw debut at the 2025 [Australian Open – Women's singles|2025 Australian Open], losing to fourth seed Jasmine Paolini in the first round.
ITF Circuit finals
Singles: 15 (10 titles, 5 runner–ups)
| Result | W-L | Date | Tournament | Tier | Surface | Opponent | Score | |||||||||||||||
| Win | 1–0 | 2022 [ITF Women's World Tennis Tour (April-June)|Jun 2022] | ITF Monastir, Tunisia | W15 | Hard |  Doubles: 13 (11 titles, 2 runner-up)
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