In 2005 he switched to Formula Renault 3.5 Series, finishing 11th having missed three rounds.

He then moved up to the Formula Renault 3.5 Series in 2005 where he finished 16th.

He has competed in such series as Euroseries 3000 and the Formula Renault 3.5 Series.

In 2006 and 2007, he drove in four races overall in the more prestigious Formula Renault 3.5 Series.

He carried on in Formula Renault 3.5 Series for another two seasons, amassing a total of 12 points.

He then raced in the Formula Renault 3.5 Series in 2007.

He has previously competed in the Formula Renault 3.5 Series where he was a race winner.

Pentus will stay with Fortec to compete in the 2010 Formula Renault 3.5 Series.

After that race, he moved to the Formula Renault 3.5 Series.

He then raced in the Formula Renault 3.5 Series, with a best result of 2nd.