- Xia Yan
- 8.529 second(s)
- China (Xi'an)
The fastest time to solve a 4 x 4 Klotski puzzle with one hand is 8.529 seconds and was achieved by Xia Yan (China) in Xi'an, Shaanxi, China, on 7 January 2021.
Xia Yan is keen on puzzle-solving and has achieved a few GUINNESS WORLD RECORDS titles in the past.