Formula One fans left unimpressed by Jos Verstappen's failure to congratulate Sergio Perez

Max Verstappen's dad Jos came in for criticism from Formula One fans for his reaction to Sergio Perez's race win in Saudi Arabia.

It wouldn't have come as a surprise to anyone to see Red Bull Racing cars reach the chequered flag in Saudi Arabia on Sunday in first and second place.

The defending constructors' world champions won the first race two weeks ago, in Bahrain, by a relatively massive distance, with fears they could win every race.

Helmut Marko attempted to cool those predictions down, claiming that their advantage would be 'melted away' by their wind tunnel punishment.

However, the advantage definitely hadn't disappeared in Saudi Arabia, with Verstappen making his way back from 15th on the grid to finish second.

Only teammate Perez was ahead of him, as the Mexican won for the fifth time in his career, and the fourth time on a street circuit out of those.

It was a moment of celebration for Red Bull, but not everyone was quite so happy with the result, as Verstappen's father, Jos, was criticised for not cracking a smile or congratulating Perez on the race win.

"Jos Verstappen deserves absolutely nothing in this world. Bad human being," one fan said.

"The fact Jos Verstappen didn't even acknowledge Perez, shows exactly how toxic the camp is behind the scenes at Red Bull. What a tosser!" claimed a second.

"Jos Verstappen doesn’t even pretend to be happy for Sergio Perez," noted another.

A fourth ripped into the Dutchman, sayingm "Jos Verstappen is a terrible role model for future generations. What an awful sportsperson attitude when Checo is celebrating a win. For the same team as his son. Who was second."

"Jos Verstappen blanking Checo while all around him celebrate - how rude and unsportsmanlike. I know they have differences but to not congratulate him is petulant and not what F1 is about," replied a fifth.

And another tweeted, "Just when you thought you couldn’t dislike Jos Verstappen any more. Dreadful show of sportsmanship. I feel for Checo."

The elder Verstappen, a F1 driver who had nowhere near the success of his son, was found guilty of assault, along with his own father, after an incident on a karting track in 1998.

He was also found guilty of threatening text messages to ex-wife Sophie Kumpen, and breaking a previously issued restraining order.

The 51-year-old was also arrested over attempted murder of his ex-girlfriend, over accusations he drove his car into her, but the charge was later withdrawn.

It's not the first time that Perez has clashed with a member of the Verstappen family, after Max wouldn't allow his teammate past him at the Brazilian GP last year, despite having already won the title.

The current champion took the chance for Perez to lead this year's championship on the final lap on Sunday, taking the fastest lap for himself to stay ahead.