Youngest player to defeat a grandmaster in a chess tournament (male)

Youngest player to defeat a grandmaster in a chess tournament (male)
Who
Ashwath Kaushik
What
8:195 year(s):day(s)
Where
Switzerland (Burgdorf)
When
18 February 2024

The youngest player to defeat a grandmaster in a chess tournament (male) is Ashwath Kaushik (Singapore, b. 7 August 2015), who was 8 years and 195 days old, as verified in Burgdorf, Switzerland, on 18 February 2024.

Ashwath achieved this record at the 22nd Burgdorfer Stadthaus Open just outside the capital of Bern in Switzerland.