For 2017 he switched to the Champions, driving a SEAT León TCR for Ferry Monster Autosport partnering Pepe Oriola.

He achieved a podium finish in onlY his second race at Zandvoort but suffered from bad luck and mechanical failures throughout the season.

In 2019 Kroes switched to Lamborghini and partnered with Russian driver Sergei Afanasiev.

They won the Lamborghini Super Trofeo Pro class championship with their team, Bonaldi Motorsport.

Kroes also took pole position, fastest race lap and a class win in the 24 Hours of Zolder, also in a Lamborghini Huracán Super Trofeo Run by Leipert Motorsport.