AUSTIN -- Lewis Hamilton dominated Friday practice at the U.S. Grand Prix, with the fastest times in both sessions and a 0.4s margin over his nearest rival by the end of the day.
The Mercedes driver could win the championship this weekend if he finishes 16 points clear of Sebastian Vettel on Sunday, and although that seems unlikely -- Vettel would have to finish sixth or lower -- Hamilton appears determined to fulfil his part of the equation by securing a sixth win in seven races.
The precise gap to Max Verstappen in second place stood at 0.