The US have won the past nine editions of the biennial contest, with their opponents triumphing just once in 14 attempts, and Jim Furyk’s side romped into a commanding lead, external at Royal Montreal Golf Club in Quebec.
Tony Finau and Xander Schauffele were one-up winners over An Byeong-hun and Jason Day in the top game, with Collin Morikawa and Sahith Theegala winning by the same margin against Min Woo Lee and Adam Scott.
Scheffler and Henley extended the lead before Wyndham Clark and Keegan Bradley defeated Christiaan Bezuidenhout and Taylor Pendrith on the final hole while Patrick Cantlay and Sam Burns beat Hideki Matsuyama and Corey Conners 2&1.
Kim will not feature in Friday’s foursomes matches, which open with Americans Cantlay and Schauffele against Matsuyama and Im Sung-jae followed by Morikawa and Theegala against Scott and Pendrith.
Max Homa and Brian Harman will face Day and Bezuidenhout, Finau and Clark meet Conners and Mackenzie Hughes and Scheffler joins Henley against An and Kim Si-woo.