- Who
- Ran Yuhan
- What
- 5.70 second(s)
- Where
- China (Chonqing)
- When
The fastest time to solve a 4 x 4 Klotski puzzle is 5.70 seconds and was achieved by Ran Yuhan (China) in Chongqing, China, on 18 December 2021.
The attempt was live streamed by Chongqing TV owned App and other three online platforms.
