The field hockey tournament at the 2003 Pan American Games was held in the Santo Domingo Stadium, Santo Domingo, Dominican Republic from August 1–17, 2003. It served as a qualification tournament for the 2004 Summer Olympics in Athens, Greece. First place received a ticket for the Olympic tournament. The men competed for the tenth time at the Pan Americans, the women for the fifth time.
The futsal competition at the 2018 Summer Youth Olympics was held from 7 to 18 October. At Tecnópolis and the CeNARD, the first one located in Villa Martelli, and the second one in Buenos Aires. There are two tournaments, one for boys and one for girls.
The Kingdom of Thailand, recognized by the name of Thailand by the International Olympic Committee (IOC), represented by the National Olympic Committee of Thailand (NOCT), competed at the 2018 Summer Youth Olympics in Buenos Aires, Argentina, from October 6 to 18, 2018.
China competed at the 2018 Summer Youth Olympics, in Buenos Aires, Argentina from 6 October to 18 October 2018.
Argentina competed at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018, as host nation.
Canada competed at the 2018 Summer Youth Olympics, in Buenos Aires, Argentina from October 6th to 18th.
Colombia participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
France participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
India participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018. India managed their best ever medal haul of the Youth Olympics in this edition. Among the 206 participating nations, India ranked 17th on the medals tally.
Japan participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Kazakhstan participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Mexico participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Austria participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
South Africa participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Poland participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Uruguay participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Namibia participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Argentina competed in the 2019 Pan American Games in Lima, Peru from July 26 to August 11, 2019.
Peru was the host nation of the 2019 Pan American Games in Lima, from July 26 to August 11, 2019.
Mexico competed in the 2019 Pan American Games in Lima, Peru from July 26 to August 11, 2019.