Tung was born in Velp, Gelderland, Netherlands, to Chinese parents with ancestry tracing to Wenzhou, Zhejiang Province.

Tung stayed in the ATS F3 Cup in 2005, finishing the series in third place, before taking the title in 2006, winning 9 races, 4 pole positions and 5 fastest laps.

[3] At the Hungaroring round of the GP2 season, Tung sustained a minor fracture of one of his lumbar vertebrae as a result of a first-lap collision with Jules Bianchi, who spun in front of him and suffered a more serious break of the same bone.

On 22 November 2010, Tung made sporting history as he officially became the first Chinese licensed driver to take the wheel of an IndyCar by testing with the FAZZT Race Team at Sebring International Raceway.

[6] Tung attempted to qualify for the 2011 Indianapolis 500 with Dragon Racing, but was unsuccessful due to a crash on Pole Day that resulted in a mild concussion.

The team took a string of minor points placings during the year, and Tung finished the season in 13th position in the drivers' championship standings.

Tung remained with Jackie Chan DC Racing for a third season in 2018, to contest the 2018-19 FIA World Endurance Championship 'superseason'.