Aged 15 years and 232 days, Sooryavanshi became the youngest captain in T20 history as Bihar took on Saurashtra in the Syed Mushtaq Ali Trophy in Indore. The 15-year-old batter achieved the feat during Bihar's opening Syed Mushtaq Ali Trophy match against. Vaibhav Sooryavanshi is set to become the youngest captain in men's T20 cricket at 15. Here are the all-time T20 and T20I youngest-captain rankings.