Wei Sijia (born 3 December 2003) is a Chinese tennis player. She has a career-high singles ranking of 114 by the WTA, achieved on 31 March 2025, and a best doubles ranking of No. 257, attained on the 17 July 2023.

Career 2022: First tournament wins After not playing on the ITF Women's 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 (ten in doubles), and her WTA ranking climbed from 1054 at the end of 2020 to 434 a year later. All 16 titles were won in Monastir, Tunisia. In 2022, her first full year on the ITF World 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 Tour 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 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 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 making her debut at this WTA Tour-level and defeated qualifier Elena-Gabriela Ruse for her first tour match win. She lost in the second round to 13th seed Beatriz Haddad Maia. Wei was given a wildcard entry into the 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 WTA 125 2025 Canberra Tennis International, losing to Aoi Ito in the final. She made her Grand Slam tournament main-draw debut at the 2025 Australian Open, losing to fourth seed Jasmine Paolini in the first round.

Grand Slam performance timeline

WTA 125 finals Singles: 1 (runner-up) ResultW–LDateTournamentSurfaceOpponentScoreLoss 0–1 Canberra International, Australia Hard Aoi Ito 4–6, 3–6

ITF Circuit finals Singles: 17 (10 titles, 7 runner-ups) LegendW100 tournaments (0–1)W75 tournaments (1–0)W40/50 tournaments (1–3)W25/35 tournaments (2–2)W15 tournaments (6–1)Finals by surfaceHard (10–6)Clay (0–1) ResultW-LDateTournamentTierSurfaceOpponentScoreWin 1–0 Jun 2022ITF Monastir, TunisiaW15 Hard Eri Shimizu 6–3, 6–3Win 2–0 Aug 2022ITF Monastir, TunisiaW15 Hard Yao Xinxin 4–6, 7–6(3), 6–4Loss 2–1 Aug 2022ITF Monastir, TunisiaW15 Hard Li Zongyu 4–6, 3–6Win 3–1 Sep 2022ITF Monastir, TunisiaW15 Hard Bai Zhuoxuan 6–1, 6–4Win 4–1 Sep 2022ITF Monastir, TunisiaW15 Hard Li Zongyu 6–3, 6–1Win 5–1 Oct 2022ITF Monastir, TunisiaW15 Hard Yao Xinxin 6–3, 6–2Win 6–1 Oct 2022ITF Monastir, TunisiaW15 Hard Kyoba Kubo 6–2, 6–0Win 7–1 Mar 2023Open de Touraine, FranceW25 Hard (i) Bai Zhuoxuan 6–4, 7–6(5)Loss 7–2 Aug 2023Kunming Open, ChinaW40 Clay Gao Xinyu 3–6, 6–7(2)Loss 7–3 Oct 2023ITF Qiandaohu, ChinaW25 Hard Anastasiia Gureva 6–2, 6–7(6), 3–6Win 8–3 Apr 2024ITF Kashiwa, JapanW50 Hard Lee Ya-hsuan 6–1, 7–5Loss 8–4 Apr 2024ITF Shenzhen, ChinaW50 Hard Gao Xinyu 4–6, 4–6Win 9–4 Jul 2024ITF Tianjin, ChinaW25 Hard (i) Hina Inoue 6–7(4), 6–2, 6–3Win 10–4 Aug 2024Lexington Challenger, United StatesW75 Hard Mananchaya Sawangkaew 7–5, 6–4Loss 10–5 Nov 2024Takasaki Open, JapanW100 Hard Aoi Ito 5–7, 4–6Loss 10–6 Nov 2025Brisbane QTC International, AustraliaW50 Hard Katie Swan 6–3, 3–6, 3–6Loss 10–7 Sep 2026ITF Shenyang, ChinaW35 Hard Kristiana Sidorova 4–6, 6–7(10)

Doubles: 14 (12 titles, 2 runner-ups) LegendW60 tournaments (1–0)W40 tournaments (1–0)W25/35 tournaments (1–1)W15 tournaments (9–1)Finals by surfaceHard (12–2) ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreWin 1–0 May 2022ITF Monastir, TunisiaW15 Hard Kristina Paskauskas Liu Fangzhou Wang Meiling 6–3, 7–6(4)Win 2–0May 2022ITF Monastir, TunisiaW15 Hard Yao Xinxin Mei Hasegawa Chihiro Takayama 6–1, 6–1Win 3–0 May 2022ITF Monastir, TunisiaW15 Hard Yao Xinxin Valeria Koussenkova Milana Zhabrailova 6–3, 6–3Win 4–0 Jun 2022ITF Monastir, TunisiaW15 Hard Kristina Paskauskas Ashmitha Easwaramurthi Mei Hasegawa 6–1, 6–2Win 5–0 Jun 2022ITF Monastir, TunisiaW15 Hard Yao Xinxin Abigail Amos Arabella Koller 6–0, 6–1Win 6–0 Jun 2022ITF Monastir, TunisiaW15 Hard Yao Xinxin Yuka Hosoki Eri Shimizu 6–3, 6–3Win 7–0 Jul 2022ITF Monastir, TunisiaW15 Hard Priska Madelyn Nugroho Back Da-yeon Jeong Bo-young 6–4, 6–1Win 8–0 Jul 2022ITF Monastir, TunisiaW15 Hard Priska Madelyn Nugroho Anastasiia Gureva Michaela Laki 6–2, 4–6, [10–5]Loss 8–1 Oct 2022ITF Monastir, TunisiaW15 Hard Priska Madelyn Nugroho Lee Ya-hsin Tsao Chia-yi 6–1, 1–6, [3–10]Win 9–1 Oct 2022Monastir Open, TunisiaW60 Hard Priska Madelyn Nugroho Isabelle Haverlag Suzan Lamens 6–3, 6–2Win 10–1 Oct 2022ITF Monastir, TunisiaW15 Hard Elena Milovanović Feryel Ben Hassen Gina Feistel 6–4, 6–1Loss 10–2 Jun 2023ITF La Marsa, TunisiaW25 Hard Isabella Shinikova Anastasia Gasanova Ekaterina Yashina 5–7, 7–6(1), [9–11]Win 11–2 Jun 2023ITF La Marsa, TunisiaW40 Hard Maria Kozyreva Kateryna Volodko Hiroko Kuwata 5–7, 6–4, [10–6]Win 12–2 Sep 2026ITF Shenyang, ChinaW35 Hard Yuan Chengyiyi Huang Yujia Priska Madelyn Nugroho 3–6, 6–2, [10–8]

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