Nicolai Hojgaard moved into position to win the season-ending World Tour Championship for a second time by taking a three-stroke lead, though a slew of Europe's Ryder Cup stars were well placed to pounce.
Stewart Cink shot a bogey-free, 7-under 64 on Thursday to take a one-shot lead after the first round of the PGA Tour Champions' season-ending Charles Schwab Championship.
Kai Trump shot a 13-over 83 on Thursday in her LPGA Tour debut in The Annika, leaving President Donald Trump's granddaughter last in the 108-player field.
Adam Hadwin shot a 6-under 65 in windy conditions on Thursday in the first round of the Butterfield Bermuda Championship, which was not completed because of darkness.
The head-to-head between Rory McIlroy and Marco Penge at the season-ending World Tour Championship has gotten off to an extremely one-sided start. While McIlroy rolled in seven birdies in a 6-under 66, Penge struggled to a 74 in the first round.