Agatha Chrystenzen Fernandez Wong was born on May 20, 1998, in Quezon City, Philippines,[2][3] tracing her roots to Dagupan, Pangasinan.[4] Her father, Christopher Wong Sr. is Filipino of Chinese descent, while her mother, Richa Agatha Wong (née Fernandez) is Filipino American.[5] Wong also has two younger siblings, a brother and a sister. At a young age, she was encouraged to try various sports including swimming, karate, and wushu.[6]
Specializing in taolu,[11] Wong has been a wushu athlete since she was 8 years old.[12]
She won her first medal in an international competition at the 2013 Asian Junior Wushu Championships in Makati, Philippines by besting the under-15 women's 32 form taijiquan of the Taolu competitions.[7] She won two medals (gold in Taijijian and bronze in Taijiquan) in the following edition held in Inner Mongolia, China.[1]
Wong won a bronze medal at the 2018 Asian Games held in Jakarta–Palembang despite the Wushu delegation experiencing financial issues which prevented her from training in China, as customarily done for high-profile competitions.[6] She also sustained a grade 2 slipped disc injury prior to the games and has not yet fully recovered by the time she competed in the continental competition.[12]
At the 2018 Asian Traditional Wushu Championships in Nanjing, China, Wong clinched two medals for the Philippines by besting the Group B women's Taijijian and Group B women's Taijiquan events[13]
Wong also competed at the 2017 and 2019 Southeast Asian Games; clinching the gold medal for the taijiquan event and silver for taijijian at the 2017 SEA Games in Kuala Lumpur, Malaysia,[14] and two gold medals for the taijiquan and taijijian events at the 2019 SEA Games in the Philippines.[15]