Hong Kong ePrix – Mahindra driver Nick Heidfeld was fuming with Jean-Eric Vergne following their battle for second in the closing stages of the race.
Vergne was struggling with energy management, allowing Heidfeld to close up on him and challenge for second, but the German was unable to find a way past.
“It’s probably one of the most disappointing third places I’ve ever had,” Heidfeld said.
“I just spoke to JEV and I think he didn’t stick to the rules of if you block once to the right hand side. First of all he did slalom driving sometimes, you could see on the TV and you’re only allowed to change direction once.
“Then when he blocked on the inside he should leave me space on the outside, so I was furious in the car to be honest because I was much quicker, but on a street circuit it’s hard to overtake.”
Vergne struggled for pace from the start of the race, with eventual winner Sam Bird sticking behind him before pulling out a nine second lead after he passed the Frenchman.
Despite a poor first lap which resulted in him spending the majority of the first stint battling Daniel Abt and Oliver Turvey for the podium, Heidfeld closed on Vergne shortly after the pit stop phase.
The duo came close to making contact on a number of occasions, after Vergne ran wide at the Turn 3/4 chicane, and later he locked up into Turn 2 which resulted in both drivers running wide.
The stewards are not investigating any incidents between Heidfeld and Vergne.