Mikkel Antonsen vs Erik Ronka
Xtracon Open Helsingor DEN round 9.20 2019.07.27
Slav Defense: Quiet Variation, Amsterdam Variation 0-1

Erik Ronka vs Garg Aradhya
World Junior Championship Pune IND round 10.45 2014.10.16
Slav Defense 0-1

Rameshbabu Praggnanandhaa vs Erik Ronka
World Junior Championship Pune IND round 7.48 2014.10.12
Caro-Kann Defense 1/2-1/2