Lin Zhuojun (Xiamen, China, b. 7 September 2021) successfully solved a randomly scrambled 4×4 Klotski puzzle in 7.106 seconds at the Official Exhibition Hall of World Record Certification on 3 September 2026. Verified by World Record Certification, Lin Zhuojun successfully broke the world record for the “Youngest Person to Solve a 4×4 Klotski Puzzle in 10 Seconds”.












