Tyrrell Hatton, Justin Harding and Adri Arnaus all made rounds of 66 to take a three-way lead at the BMW PGA Championship at the end of day one.
Englishman Hatton started 2020 in style with a first PGA Tour title at the Arnold Palmer Invitational in March and looked in good form at Wentworth on Thursday.
He carded an eagle, five birdies and a solitary bogey to finish six under par and set the clubhouse lead, with his only blemish coming after a wayward drive at the seventh.
"I'm pleased with how this year has been so far on the golf course," Hatton told Sky Sports after setting the early pace.
"I feel like I've put in quite a lot of work off it as well, starting to go to the gym and stuff like that, which is stuff I haven't really done previously.
"I feel if you're in a good place, like for me, if I'm obviously happier, I'm going to be calmer on the golf course and that's obviously going to help me, as well.
"I felt pretty relaxed out there today. I think that's just having my home comforts again."
Harding and Arnaus matched Hatton's score with six birdies apiece, the pair not dropping a single shot to leave things tight at the summit heading into day two.
Open champion Shane Lowry, Eddie Pepperell, Matt Fitzpatrick and Gavin Green are a shot further back and former world number one Justin Rose is one of eight on four under.
Patrick Reed had to settle for an opening-round 70, meanwhile, after a double-bogey on the eighth hole.
Elsewhere, Aaron Rai followed up his Scottish Open triumph last weekend with a four-under par 68 in Surrey, while Tommy Fleetwood – the man he beat in Sunday's play-off – carded a disappointing 71.