After ready two and a half hours for thunderstorms to cross so they may begin their first spherical, these out early exploited the circumstances which had slowed the notoriously robust Augusta National greens.
DeChambeau opened with three consecutive birdies and accelerated with 5 extra in six holes on the again 9 to take a commanding lead into the clubhouse.
However, world primary Scheffler seemed imperious, chipping in from a bunker for a birdie on the twelfth gap and sending his tee shot on the sixteenth inside three toes to arrange one other.
New Zealand’s Ryan Fox had a sensational begin, capturing 5 beneath for his entrance 9 however dropped two photographs on the again 9 to complete 4 off the lead.
The 2022 US Open champion Matt Fitzpatrick birdied all three holes that make up Amen Corner – the eleventh, twelfth and thirteenth – however had three bogeys in his remaining 5 holes as he signed for a one-under 71.
His European Ryder Cup team-mate Viktor Hovland raced to 4 beneath after 9 holes however a double bogey on the tenth checked his progress as he additionally shot a 71.
Despite the blustery wind strengthening as the day reached its climax, Nicolai Hojgaard battled to 5 beneath after 15 holes, whereas Max Homa reached 4 beneath after 13 and England’s Tyrrell Hatton three beneath with 4 to play.
