The two that have been trialled so far this season at Silverstone and Monza have been generally well-received, with a third scheduled for Brazil later this month.
Hamilton trails the effervescent Dutch driver by 12 points after finishing second to Verstappen in the United States Grand Prix on Sunday.
US Grand Prix: Max Verstappen holds off Lewis Hamilton to win thriller, extends championship lead to 12 points
The victory by 1.33 seconds was Verstappen's eighth of the season at a track where Hamilton had won five times.
Verstappen, who leads Hamilton by six points in the championship race, claimed his ninth pole of 2021 with a time of 1min 32.910sec, just two tenths faster than the British driver.
Verstappen complained on team radio that Hamilton was a "stupid idiot" and never seemed to recover his poise, ending the session eighth fastest.
With six of the 21 rounds to race, Max Verstappen of Red Bull has retaken the lead in the drivers' championship by six points over reigning champion Lewis Hamilton of Mercedes.
Max Verstappen finished second to take a six-point lead in the driver's championship.
Hamilton, the championship leader, set a new lap record three times in qualifying but because his team incurred a 10-place grid penalty by changing his engine ahead of the race he will start 11th.
The AlphaTauri driver was .24 seconds quicker than Red Bull driver Sergio Perez and .6 clear of Perez's teammate Max Verstappen on the 5.3-kilometer (3.3-mile) Istanbul Park circuit.
Hamilton's rival for the title, Red Bull driver Max Verstappen, received a similar penalty two weeks ago.
Verstappen is a major threat to Hamilton's bid for an eighth world title to surpass Michael Schumacher and stand alone among F1 greats. He leads Hamilton 7-5 for wins this season and 7-3 for pole positions.
The Dutchman, who is two points adrift of seven-time champion Hamilton ahead of this weekend's Turkish Grand Prix, told reporters he enjoyed his job, always does his best for Red Bull and would still feel good even if he finished second.
The best images from the Russian Grand Prix.
Hamilton turned Verstappen's five-point championship lead into a two-point lead of his own as the Dutch driver finished second after a dramatic drive from last on the grid.
Bottas, who qualified in the seventh spot on Saturday, is expected to try and slow down Verstappen as he attempts to pick his way through the field.
McLaren driver Lando Norris took pole after timing his final fast lap to perfection, in the dying seconds of the session after switching to slick tires as the racing line dried.
A Formula 2 sprint race, scheduled for Saturday, was postponed.
Formula 1 2021: Valtteri Bottas tops practice, Max Verstappen to start Russian GP in last place for fitting new engine
Verstappen, who leads by five points going into the 15th round of the white-knuckle title fight with Hamilton, has already used up the season's quota of three power units.
Formula 1 2021: Mercedes' Valtteri Bottas sets fastest time in first practice, Lewis Hamilton in second
Bottas' best time of 1 minute, 34.427 seconds was .211 faster than Hamilton. Championship leader Max Verstappen of Red Bull was .016 further back in third.
Verstappen has a five-point lead over Hamilton in the championship with five races to go.