The play-offs of the 2019 Fed Cup Americas Zone Group I were the final stages of the Group I Zonal Competition involving teams from the Americas. Using the positions determined in their pools, the eight teams faced off to determine their placing in the 2019 Fed Cup Americas Zone Group I. The winner of the promotion play-off advanced to World Group II play-offs, and the losers of the relegation play-off were relegated down to the Americas Zone Group II in 2020.

Placing	Pool A	Pool B
1	Paraguay	Brazil
2	Mexico	Chile
3	Colombia	Argentina
4	Ecuador	Puerto Rico

The first placed teams of the two pools were drawn in head-to-head rounds. The winner advanced to the World Group II play-offs.

Paraguay 0	Club Campestre Sede Llanogrande, Medellín, Colombia[1] 9 February Clay		Brazil 2
1 2 3 1 Montserrat González Carolina Alves 3 6 2 6     2 Verónica Cepede Royg Beatriz Haddad Maia 2 6 3 6     3 Verónica Cepede Royg / Montserrat González Beatriz Haddad Maia / Luisa Stefani       not played

The runner-up teams of the two pools were drawn in head-to-head to determine the third and fourth placings.

Mexico 1	Club Campestre Sede Llanogrande, Medellín, Colombia[2] 9 February Clay		Chile 2
1 2 3 1 María José Portillo Ramírez Alexa Guarachi 3 6 5 7     2 Renata Zarazúa Daniela Seguel 2 6 6 3 6 2   3 Giuliana Olmos / Renata Zarazúa Bárbara Gatica / Alexa Guarachi 3 6 3 6

The bottom two team of the pools were drawn in head-to-head. The losers were relegated down to Americas Zone Group II in 2020.

Colombia 2	Club Campestre Sede Llanogrande, Medellín, Colombia[3] 9 February Clay		Puerto Rico 1
1 2 3 1 Camila Osorio Lauren Anzalotta Kynoch 7 5 63 77 6 2   2 María Fernanda Herazo Monica Puig 65 77 3 6     3 María Fernanda Herazo / Camila Osorio Lauren Anzalotta Kynoch / Monica Puig 6 1 6 3

Ecuador 1	Club Campestre Sede Llanogrande, Medellín, Colombia[4] 9 February Clay		Argentina 2
1 2 3 1 Mell Elizabeth Reasco González Catalina Pella 5 7 2 6     2 Charlotte Römer Victoria Bosio 0 6 7 5 77 61   3 Mell Elizabeth Reasco González / Charlotte Römer Victoria Bosio / Catalina Pella 1 6 2 6

Placing	Teams
Promoted/First	Brazil
Second	Paraguay
Third	Chile
Fourth	Mexico
Fifth	Colombia	Argentina
Relegated/Sixth	Puerto Rico	Ecuador

•  Brazil was promoted to the 2019 Fed Cup World Group II play-offs.
•  Puerto Rico and  Ecuador were relegated to Americas Zone Group II in 2020.

• Fed Cup website