The record for being the fastest to solve a single 6 x 6 Sudoku puzzle was set by Viyan Gupta (born on July 7, 2021) of Gurugram, Haryana. He solved a single 6 x 6 Sudoku puzzle (on a sheet of paper) in 2 minutes and 8 seconds, at the age of 5 years and 9 days, as confirmed on July 16, 2026.
