Former U.S. President George W. Bush offered words of encouragement to both teams and posed for photos with captains Nick Price and Jay Haas on the first tee, while boisterous Australian fans dressed in green and gold serenaded the players.
The Internationals are attempting to win the biennial competition for just the second time but face a U.S. team stacked top to bottom with top class talent including world number one Jordan Spieth, Dustin Johnson and Rickie Fowler.
The United States took an early lead in the opening match after Holmes made a 14 footer for birdie on the second while the Internationals could only make par.
The U.S. pair of Matt Kuchar and Patrick Reed, who are playing South Africans Louis Oosthuizen and Branden Grace, are also one up in the second foursomes match, where each team uses one ball and the players hit alternate shots.
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The day's other three matches see Thongchai Jaidee and Anirban Lahiri play Fowler and Jimmy Walker, Jason Day and Steven Bowditch play Phil Mickelson and Zach Johnson, and Danny Lee and Marc Leishman take on Spieth and Johnson.
Since the inaugural edition of the Cup in 1994, the United States have beaten a team of international players minus Europeans in eight events and tied once, their only defeat coming at the 1998 competition at Royal Melbourne.
That one-sidedness led to calls for a shake-up and the format for this week's event in Incheon has been tweaked to reduce the number of total points on offer from 34 to 30.
Having fewer matches could help the International team, which does not have the same strength in depth as the Americans.
The event concludes on Sunday with 12 singles matches.
(Editing by Sudipto Ganguly)
