David Frost of South Africa had a 7-under 65 Friday to take a one-stroke lead after the first round of the Mitsubishi Electric Championship.
The tournament opens the 34th Champions Tour season at Hualalai Golf Club.
The field of 40 has champions from the past two years and major champions from the past five, plus eight sponsor exemptions.
Frost made a 40-foot eagle putt on the seventh hole to reach 5 under. His only bogey came on the next hole and three birdies on the back nine put him into the lead.
Kirk Triplett, the 2012 Champions Rookie of the Year, bogeyed the last hole to fall into a six-way tie for second at 66. He also had an eagle, hitting his hybrid club 244 yards to 6 feet on the par-5 10th.
''I hit the ball real well all day, had a lot of chances,'' Triplett said. ''I made a nice eagle and had a couple birdies early on the back nine that got me to a nice score, then I couldn't get it any lower.''
He was second with 63-year-old To...