| Country (sports) |  Hong Kong |
|---|---|
| Residence | Hong Kong |
| Born | (1990-02-08) 8 February 1990 (age 34) Hong Kong |
| Turned pro | 2006 |
| Singles | |
| Career record | 6–3 |
| Career titles | 1 ITF |
| Highest ranking | No. 418 (30 November 2009) |
| Doubles | |
| Career record | 6–6 |
| Career titles | 1 ITF |
| Highest ranking | No. 746 (26 July 2010) |
Yang Zi-jun, also known as Jessica Yang[1] (Chinese: 楊子君; Jyutping: joeng4zi2 gwan1, born February 8, 1990),[2] is a former professional tennis player from Hong Kong. A member of the Hong Kong Fed Cup team (last match in 2012), she has a career-high ranking of No. 22 in the world in juniors.[3]
She has reached the latter stages of many junior tournaments; she won the 2007 Girls Under-18 Toyota Open in Bangkok, Thailand, beating Khunpak Issara 6–3, 6–0.[4]
In the 2008 Wimbledon girls' singles, where she just missed out on being seeded,[5] she beat Anna Orlik of Belarus, 6–2, 6–1.[6] Her run was halted in the second round when she was beaten by junior world No. 3, Arantxa Rus, 6–3, 6–0.[7]
Her best performance in a professional tournament is reaching the second round of various tournaments; the Bangkok tournament in 2006, where she lost to Thassha Vitayaviroj; at another tournament in Bangkok in 2006, as a qualifier, she lost to Lee Jin-a; in Jakarta in 2006 where she lost to Lavinia Tananta, and the 2008 tournament in Bulungan where she lost in the 2nd round to second seed Liang Chen.[8] All the tournaments are $10,000 tier tournaments, the lowest category of the ITF Women's Circuit.
| Result | Date | Tournament | Surface | Opponent | Score |
|---|---|---|---|---|---|
| Win | 10 May 2009 | Tarakan, Indonesia | Hard |  Yang Yi
|
7–5, 6–1 |
| Result | W–L | Date | Location | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|
| Loss | 0–1 | 6 August 2006 | Bangkok, Thailand | Hard |  Uthumporn Pudtra
|
 Lee Jin-a Pichittra Thongdach
|
2–6, 1–6 |
| Loss | 0–2 | 5 May 2008 | Tarakan, Indonesia | Hard |  Tiffany Welford
|
 Ayu Fani Damayanti Liza Andriyani
|
2–6, 3–6 |
| Win | 1–2 | 24 August 2009 | Nonthaburi, Thailand | Hard | Zhang Ling
|
Beatrice Gumulya Lavinia Tananta
|
6–4, 6–3 |
| Loss | 1–3 | 11 April 2010 | Ningbo, China | Hard | Lu Jiaxiang
|
Wang Yafan Yang Zhaoxuan
|
6–1, 2–6, [4–10] |
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