Team Canada
- Denis Shapovalov
- Date of Birth: June 15, 1999
- Birthplace: Tel Aviv, Israel
- Career-High Ranking: No. 10
- Davis Cup Record: 18/11
- Gabriel Diallo
- Date of Birth: September 24, 2001
- Birthplace: Montreal, QC
- Career-High Ranking: No. 86
- Davis Cup Record: 4/5
- Alexis Galarneau
- Date of Birth: March 2, 1999
- Birthplace: Laval, QC
- Career-High Ranking: No. 153
- Davis Cup Record: 5/5
- Liam Draxl
- Date of Birth: December 5, 2001
- Birthplace: Newmarket, ON
- Career-High Ranking: No. 233
- Davis Cup Record: 0/0
- Vasek Pospisil
- Date of Birth: June 23, 1990
- Birthplace: Vernon, BC
- Career-High Ranking: No. 25
- Davis Cup Record: 32/27
- Frank Dancevic (Captain)
- Date of Birth: September 26, 1984
- Birthplace: Niagara Falls, ON
Team HUNGARY
- Fabian Marozsan
- Date of Birth: October 8, 1999
- Birthplace: Budapest, Hungary
- Career-High Ranking: No. 36
- Davis Cup Record: 4/7
- Marton Fucsovics
- Date of Birth: February 8, 1992
- Birthplace: Nyiregyhaza, Hungary
- Career-High Ranking: No. 31
- Davis Cup Record: 33/20
- Zsombor Piros
- Date of Birth: October 13, 1999
- Birthplace: Budapest, Hungary
- Career-High Ranking: No. 106
- Davis Cup Record: 10/5
- Mate Valkusz
- Date of Birth: August 13, 1998
- Birthplace: Budapest, Hungary
- Career-High Ranking: No. 204
- Davis Cup Record: 4/5
- Adam Jilly
- Date of Birth: December 12, 2006
- Birthplace: Budapest, Hungary
- Career-High Ranking: 1368
- Davis Cup Record: 0/0
