Oman's 43-year-old opener Aamir Kaleem, who hit 64 off 46 balls against India, is the oldest player to score a half-century in men's T20I. West Indies batter Chris Gayle is second on the list with his 67(38) against Australia at age 41 in 2021. Afghanistan's Mohammad Nabi smashed 60(22) against Sri Lanka in Asia Cup 2025 at age 40.