Fastest child to solve a single 9 x 9 Sudoku puzzle

The record for being the fastest to solve a single 9 x 9 Sudoku puzzle was set by Akshita Chilamkurthi (born on December 13, 2014) of Guntur, Andhra Pradesh. She solved a single 9 x 9 Sudoku puzzle (on paper) in 1 minute and 44 seconds, using a pencil, at the age of 10 years, 11 months and 19 days, as confirmed on December 2, 2025.