Regarding the Ryder Cup's WWII history:
"With the outbreak of World War II, The Ryder Cup was suspended from 1939-45, and the US retained the trophy from its 1937 victory. However, the United States continued the spirit of The Matches by selecting a ten-member team that participated in "challenge" matches to raise funds for the American Red Cross, various service organizations and other war-related efforts. With The 1939 Ryder Cup cancelled, challenge competitions were arranged from 1940- 43, with two at Oakland Hills Country Club in Bloomfield, Michigan, in 1940 and 1942: at Detroit Golf Club, in 1941: and at Plum Hollow Country Club in 1943. The Ryder Cup Team, which had various members during that period, won four of the five challenge matches.
Walter Hagen captained the 1939, '40 and '41 Ryder Cup Teams, while Craig Wood captained the Team in 1942 and 1943. There was no competition in 1939, though The Matches were set for Ponte Vedra Country Club in Florida in November of that year. The 1939 US selections were repeated in 1940 in a challenge match at Oakland Hills Country Club in Bloomfield Township, Michigan, against Gene Sarazen's Challengers. Sarazen, who was left off The Ryder Cup Team, challenged Hagen by assembling a team that included Ben Hogan, Jimmy Demaret and Craig Wood.
In 1939, The Professional Golfers Association of Great Britain had selected eight players and Captain Henry Cotton before war interrupted further plans. The eight players named were: Jimmy Adams, Dick Burton, Sam King, Alf Padgham, Dai Rees, Charles Whitcombe and Reg Whitcombe. The remaining two members were never filled.
During the war, the exhibition matches brought together the greatest players of the era, including amateur Bobby Jones who led his team to an 8 1/2 to 6 1/2 upset of the Ryder Cup Team, August 23-24, 1941, at Detroit Golf Club."