

Introduction
Yang Zi-jun also known as Jessica Yang (Chinese: 楊子君; Jyutping: joeng zi gwan, born February 8, 1990) is a Hong Kong professional tennis player.A member of the Hong Kong Fed Cup team, she is currently ranked No. 24 in the world in juniors and has a career-high ranking of No. 22.
Tennis career
Junior
She has reached the latter stages of many junior tournaments; she won the 2007 Girls Under 18 Toyota Open in Bangkok, Thailand, beatingKhunpak Issara 6–3, 6–0.
In the 2008 Wimbledon Girls Singles, where she just missed out on being seeded, she beat Anna Orlik of Belarus, 6–2, 6–1. Her run was halted in the second round where she was beaten by World Junior No. 3 Arantxa Rus 6–3, 6–0.
Pro
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. All the tournaments are $10,000 tier tournaments, the lowest tier tournaments in the WTA Tour.