# Wei Sijia

Wei Sijia (born 3 December 2003) is a Chinese tennis player. She has a career-high WTA singles ranking of world No. 119, achieved on 6 January 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 (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.
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 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 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 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 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, losing to fourth seed Jasmine Paolini in the first round.

## WTA Challenger finals
### Singles: 1 (1 runner–ups)

| Result | W–L | Date | Tournament | Surface | Opponent | Score |
| Loss | 0–1 | Jan 2025 | Workday Canberra International, Australia | Hard | Aoi Ito | 4–6, 3–6 |

## ITF Circuit finals
### Singles: 15 (10 titles, 5 runner–ups)

* Legend
* W100 tournaments (0–1)
* W75 tournaments (1–0)
* W40/50 tournaments (1–2)
* W25 tournaments (2–1)
* W15 tournaments (6–1)
* Finals by surface
* Hard (10–4)
* Clay (0–1)
| Result | W-L | Date | Tournament | Tier | Surface | Opponent | Score |
| Win | 1–0 | Jun 2022 | ITF Monastir, Tunisia | W15 | Hard | Eri Shimizu | 6–3, 6–3 |
| Win | 2–0 | Aug 2022 | ITF Monastir, Tunisia | W15 | Hard | Yao Xinxin | 4–6, 7–6$^{(3)}$, 6–4 |
| Loss | 2–1 | Aug 2022 | ITF Monastir, Tunisia | W15 | Hard | Li Zongyu | 4–6, 3–6 |
| Win | 3–1 | Sep 2022 | ITF Monastir, Tunisia | W15 | Hard | Bai Zhuoxuan | 6–1, 6–4 |
| Win | 4–1 | Sep 2022 | ITF Monastir, Tunisia | W15 | Hard | Li Zongyu | 6–3, 6–1 |
| Win | 5–1 | Oct 2022 | ITF Monastir, Tunisia | W15 | Hard | Yao Xinxin | 6–3, 6–2 |
| Win | 6–1 | Oct 2022 | ITF Monastir, Tunisia | W15 | Hard | Kyoba Kubo | 6–2, 6–0 |
| Win | 7–1 | Mar 2023 | Open de Touraine, France | W25 | Hard (i) | Bai Zhuoxuan | 6–4, 7–6$^{(5)}$ |
| Loss | 7–2 | Aug 2023 | Kunming Open, China | W40 | Clay | Gao Xinyu | 3–6, 6–7$^{(2)}$ |
| Loss | 7–3 | Oct 2023 | ITF Qiandaohu, China | W25 | Hard | Anastasiia Gureva | 6–2, 6–7$^{(6)}$, 3–6 |
| Win | 8–3 | Apr 2024 | ITF Kashiwa, Japan | W50 | Hard | Lee Ya-hsuan | 6–1, 7–5 |
| Loss | 8–4 | Apr 2024 | ITF Shenzhen, China | W50 | Hard | Gao Xinyu | 4–6, 4–6 |
| Win | 9–4 | Jul 2024 | ITF Tianjin, China | W25 | Hard (i) | Hina Inoue | 6–7$^{(4)}$, 6–2, 6–3 |
| Win | 10–4 | Aug 2024 | Lexington Challenger, United States | W75 | Hard | Mananchaya Sawangkaew | 7–5, 6–4 |
| Loss | 10–5 | Nov 2024 | Takasaki Open, Japan | W100 | Hard | Aoi Ito | 5–7, 4–6 |

### Doubles: 13 (11 titles, 2 runner-up)

* Legend
* W60 tournaments (1–0)
* W40 tournaments (1–0)
* W25 tournaments (0–1)
* W15 tournaments (9–1)
* Finals by surface
* Hard (11–2)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Win | 1–0 | May 2022 | ITF Monastir, Tunisia | W15 | Hard | Kristina Paskauskas | Liu Fangzhou Wang Meiling | 6–3, 7–6$^{(4)}$ |
| Win | 2–0 | May 2022 | ITF Monastir, Tunisia | W15 | Hard | Yao Xinxin | Mei Hasegawa Chihiro Takayama | 6–1, 6–1 |
| Win | 3–0 | May 2022 | ITF Monastir, Tunisia | W15 | Hard | Yao Xinxin | Valeria Koussenkova Milana Zhabrailova | 6–3, 6–3 |
| Win | 4–0 | Jun 2022 | ITF Monastir, Tunisia | W15 | Hard | Kristina Paskauskas | Ashmitha Easwaramurthi Mei Hasegawa | 6–1, 6–2 |
| Win | 5–0 | Jun 2022 | ITF Monastir, Tunisia | W15 | Hard | Yao Xinxin | Abigail Amos Arabella Koller | 6–0, 6–1 |
| Win | 6–0 | Jun 2022 | ITF Monastir, Tunisia | W15 | Hard | Yao Xinxin | Yuka Hosoki Eri Shimizu | 6–3, 6–3 |
| Win | 7–0 | Jul 2022 | ITF Monastir, Tunisia | W15 | Hard | Priska Madelyn Nugroho | Back Da-yeon Jeong Bo-young | 6–4, 6–1 |
| Win | 8–0 | Jul 2022 | ITF Monastir, Tunisia | W15 | Hard | Priska Madelyn Nugroho | Anastasiia Gureva Michaela Laki | 6–2, 4–6, [10–5] |
| Loss | 8–1 | Oct 2022 | ITF Monastir, Tunisia | W15 | Hard | Priska Madelyn Nugroho | Lee Ya-hsin Tsao Chia-yi | 6–1, 1–6, [3–10] |
| Win | 9–1 | Oct 2022 | Monastir Open, Tunisia | W60 | Hard | Priska Madelyn Nugroho | Isabelle Haverlag Suzan Lamens | 6–3, 6–2 |
| Win | 10–1 | Oct 2022 | ITF Monastir, Tunisia | W15 | Hard | Elena Milovanović | Feryel Ben Hassen Gina Feistel | 6–4, 6–1 |
| Loss | 10–2 | Jun 2023 | ITF La Marsa, Tunisia | W25 | Hard | Isabella Shinikova | Anastasia Gasanova Ekaterina Yashina | 5–7, 7–6$^{(1)}$, [9–11] |
| Win | 11–2 | Jun 2023 | ITF La Marsa, Tunisia | W40 | Hard | Maria Kozyreva | Kateryna Volodko Hiroko Kuwata | 5–7, 6–4, [10–6] |