Raymond rayy Ten Wan Jia started his professional career in 2015, debuting with Glamorous.GizMo in the qualifiers for Frankfurt Major 2015 in Southeast Asia but did not achieve success. After that, he played sparingly and returned to the scene in 2018 when, in January, he helped Gizmo Gaming play in the Malaysia Esports League Group Stage, where the team placed 9th-12th.

He was absent from the pro scene in 2019, but in April 2020, he joined LGD.int, with which he won bronze at the Amadeus Cup. From November that year, he played for Void, and in 2021, he and the team reached the final of the WCAA Winter Challenge Cup but lost. In June, he joined 5ManMidas, securing sixth place at Dota Pro Circuit 2021: S2 - North America Lower Division and unsuccessfully tried to qualify for The International 2021. In January 2022, the team finished in the top 5 at DPC NA 2021/2022 Tour 1: Division II.

In May 2022, rayy became a player for Eternity and finished 5th at DPC NA 2021/2022 Tour 3: Division II. In 2023, he received a ban from Valve and Perfect World for suspected involvement in match-fixing.

Two years later, on March 12, 2025, the sanctions expired, and rayy is now eligible to return to the pro scene.