According to the regulations, the athletes who could take part in the competitions were those in active military service in the armies of the Allied countries or who had been in military service in the armies of the Allied countries during the War, and a significant number of players of the highest level met these criteria, many of whom being players of the national teams, which means that this tournament featured some of Europe's top players. The Winning Forces of the
First World War assembled football teams for this tournament, resulting in 8 participants: • : The American team was selected from among the participants in the
American Expeditionary Forces Championship held the month before, which was contested by sections of the
American Expeditionary Forces and won by the Le Mans by 80th Division. The U.S. army was willing to return soldiers who had already been demobilized back to the U.S. when they thought it gave them the best chance to win an event, but such a policy did not seem to apply to soccer and instead most of the returned athletes competed in track and field events. In contrast to this approach other nations turned out strong teams featuring some of the continent's top players. • : The Czechoslovak team was made up largely of players taken from the club
Slavia Prague, the traditional
champions of Czechoslovakia, and the Czech team that reached the gold medal match of the
1920 Olympics (which they lost 2–0 to hosts, Belgium) included thirteen players from the Inter-Allied roster, the most of any nation that competed in both tournaments. The top star of the side being
forward Antonín Janda, who was the tournament's shared top goal scorer with 7 goals. Others top Czech players who appeared in both the Inter-Allied games and the Olympics were
Defender Antonín Hojer and
midfielder Václav Pilát. • : The Romania football team at the Games was drawn almost exclusively from
Bucharest clubs, such as
Tricolor,
Venus, and
Coltea, and no ethnic Hungarians were involved; it did, however, include two foreigners, the German Rudolf Schmetau and the Englishman
Ernest Hillard. In goal for Romania was the 22-year-old
Constantin Rădulescu, who would later select and/or coach the Romanian national team at the first three
World Cups, and would be a prime mover in the establishment of the
Romanian Football Federation (FRF) in 1923 and the divisional
league system (
Alexandru Săvulescu, who would later be on the staff with Rădulescu at two World Cups, was also a member of this team). ==Format==