# 1979 Davis Cup Americas Zone

The Americas Zone was one of the three regional zones of the 1979 Davis Cup.
13 teams entered the Americas Zone in total, with 6 teams entering the North & Central America Zone and 7 teams entering the South America Zone. The winner of each sub-zone advanced to the Americas Inter-Zonal Final, with the winner going on to compete in the Inter-Zonal Zone against the winners of the Eastern Zone and Europe Zone.
The United States defeated Colombia in the North & Central America Zone final, and Argentina defeated Chile in the South America Zone final. In the Americas Inter-Zonal Final the United States defeated Argentina and progressed to the Inter-Zonal Zone.

## North & Central America Zone
### Preliminary rounds
#### Draw

| First Round 6–8 October 1978 | First Round 6–8 October 1978 | First Round 6–8 October 1978 | Qualifying Round 27–29 October 1978 | Qualifying Round 27–29 October 1978 | Qualifying Round 27–29 October 1978 |
| Mexico | Mexico | | | | |
| Mexico | Mexico | | Mexico City, Mexico (clay) | Mexico City, Mexico (clay) | Mexico City, Mexico (clay) |
| bye | bye | | Mexico City, Mexico (clay) | Mexico City, Mexico (clay) | Mexico City, Mexico (clay) |
| bye | bye | | Mexico | Mexico | 3 |
| | | | Canada | Canada | 2 |
| bye | bye | | Canada | Canada | 2 |
| Canada | Canada | | | | |
| Colombia | Colombia | | | | |
| Colombia | Colombia | | Bogotá, Colombia | Bogotá, Colombia | Bogotá, Colombia |
| bye | bye | | Bogotá, Colombia | Bogotá, Colombia | Bogotá, Colombia |
| bye | bye | | Colombia | Colombia | 4 |
| Nassau, Bahamas | Nassau, Bahamas | Nassau, Bahamas | Colombia | Colombia | 4 |
| Nassau, Bahamas | Nassau, Bahamas | Nassau, Bahamas | Venezuela | Venezuela | 1 |
| Caribbean/West Indies | Caribbean/West Indies | 2 | Venezuela | Venezuela | 1 |
| Venezuela | Venezuela | 3 | | | |

#### First round

Caribbean/West Indies vs. Venezuela
| Caribbean/West Indies 2 | Nassau, Bahamas 6–8 October 1978 | Nassau, Bahamas 6–8 October 1978 | Venezuela 3 |
| 1 2 3 4 5 1 Leo Rolle Humphrey Hose 3 6 4 6 0 6       2 John Antonas Jorge Andrew 6 3 0 6 4 6 5 0    retired 3 John Antonas / Leo Rolle Jorge Andrew / Humphrey Hose 2 6 6 3 2 6 1 6     4 Leo Rolle Jorge Andrew 1 6 1 6 1 6       5 John Antonas Abraham Sojo 6 3 3 6 6 1 6 1 ||||

#### Qualifying round

Mexico vs. Canada
| Mexico 3 | Estadio Rafael Osuna, Mexico City, Mexico 27–29 October 1978 Clay | Estadio Rafael Osuna, Mexico City, Mexico 27–29 October 1978 Clay | Canada 2 |
| 1 2 3 4 5 1 Marcello Lara Réjean Genois 7 5 3 6 9 11 6 2 6 4   2 Emilio Montaño Greg Halder 5 7 7 5 6 4 10 8     3 Marcello Lara / Raúl Ramírez Réjean Genois / Richard Legendre 6 4 6 4 6 4       4 Enrique Haro John Picken 1 6 4 6 8 6 4 6     5 Emilio Montaño Réjean Genois 6 2 6 8 3 6 ||||
Colombia vs. Venezuela
| Colombia 4 | Bogotá, Colombia 27–29 October 1978 | Bogotá, Colombia 27–29 October 1978 | Venezuela 1 |
| 1 2 3 4 5 1 Jairo Velasco Humphrey Hose 6 3 5 7 5 7 6 4 6 4   2 Iván Molina Jorge Andrew 3 6 6 3 6 2 7 5     3 Iván Molina / Jairo Velasco Jorge Andrew / Humphrey Hose 6 4 8 6 6 8 6 4     4 Álvaro Betancur Humphrey Hose 6 3 1 6 5 7       5 Orlando Agudelo Abraham Sojo 6 3 6 3 ||||

### Main draw
#### Draw

| Semifinals 8–10 December 1978 | Semifinals 8–10 December 1978 | Semifinals 8–10 December 1978 | Final 16–18 March | Final 16–18 March | Final 16–18 March |
| United States | United States | | | | |
| United States | United States | | Cleveland, OH, United States (indoor hard) | Cleveland, OH, United States (indoor hard) | Cleveland, OH, United States (indoor hard) |
| bye | bye | | Cleveland, OH, United States (indoor hard) | Cleveland, OH, United States (indoor hard) | Cleveland, OH, United States (indoor hard) |
| bye | bye | | United States | United States | 5 |
| Mexico City, Mexico (clay) | Mexico City, Mexico (clay) | Mexico City, Mexico (clay) | United States | United States | 5 |
| Mexico City, Mexico (clay) | Mexico City, Mexico (clay) | Mexico City, Mexico (clay) | Colombia | Colombia | 0 |
| Mexico | Mexico | 2 | Colombia | Colombia | 0 |
| Colombia | Colombia | 3 | | | |

#### Semifinals

Mexico vs. Colombia
| Mexico 2 | Estadio Rafael Osuna, Mexico City, Mexico 8–10 December 1978 Clay | Estadio Rafael Osuna, Mexico City, Mexico 8–10 December 1978 Clay | Colombia 3 |
| 1 2 3 4 5 1 Roberto Chávez Jairo Velasco 2 6 2 6 6 3 8 6 6 8   2 Raúl Ramírez Iván Molina 6 8 6 8 7 5 3 6     3 Marcello Lara / Raúl Ramírez Iván Molina / Jairo Velasco 3 6 6 3 6 3 6 2     4 Raúl Ramírez Jairo Velasco 6 1 7 5 6 4       5 Roberto Chávez Iván Molina 2 6 3 6 2 6 ||||

#### Final

United States vs. Colombia
| United States 5 | Cleveland Skating Club, Cleveland, OH, United States 16–18 March 1979 Hard (indoors) | Cleveland Skating Club, Cleveland, OH, United States 16–18 March 1979 Hard (indoors) | Colombia 0 |
| 1 2 3 4 5 1 John McEnroe Álvaro Betancur 6 2 6 1 6 1       2 Dick Stockton Iván Molina 6 2 6 3 6 4       3 Peter Fleming / John McEnroe Orlando Agudelo / Iván Molina 6 4 6 0 6 4       4 Dick Stockton Álvaro Betancur 6 1 6 2 7 5       5 John McEnroe Iván Molina 6 4 6 3 6 2 ||||

## South America Zone
### Preliminary rounds
#### Draw

| First Round 22 September–8 October 1978 | First Round 22 September–8 October 1978 | First Round 22 September–8 October 1978 | Qualifying Round 27 October–1 November 1978 | Qualifying Round 27 October–1 November 1978 | Qualifying Round 27 October–1 November 1978 |
| Argentina | Argentina | | | | |
| Argentina | Argentina | | Guayaquil, Ecuador (indoor carpet) | Guayaquil, Ecuador (indoor carpet) | Guayaquil, Ecuador (indoor carpet) |
| bye | bye | | Guayaquil, Ecuador (indoor carpet) | Guayaquil, Ecuador (indoor carpet) | Guayaquil, Ecuador (indoor carpet) |
| bye | bye | | Argentina | Argentina | 4 |
| Guayaquil, Ecuador (indoor carpet) | Guayaquil, Ecuador (indoor carpet) | Guayaquil, Ecuador (indoor carpet) | Argentina | Argentina | 4 |
| Guayaquil, Ecuador (indoor carpet) | Guayaquil, Ecuador (indoor carpet) | Guayaquil, Ecuador (indoor carpet) | Ecuador | Ecuador | 1 |
| Ecuador | Ecuador | 4 | Ecuador | Ecuador | 1 |
| Peru | Peru | 1 | | | |
| Cochabamba, Bolivia (clay) | Cochabamba, Bolivia (clay) | Cochabamba, Bolivia (clay) | | | |
| Bolivia | Bolivia | 0 | | | |
| Bolivia | Bolivia | 0 | Itu, Brazil | Itu, Brazil | Itu, Brazil |
| Brazil | Brazil | 5 | Itu, Brazil | Itu, Brazil | Itu, Brazil |
| Brazil | Brazil | 5 | Brazil | Brazil | 4 |
| | | | Uruguay | Uruguay | 0 |
| bye | bye | | Uruguay | Uruguay | 0 |
| Uruguay | Uruguay | | | | |

#### First round

Ecuador vs. Peru
| Ecuador 4 | Coliseo Voltaire Paladines Polo, Guayaquil, Ecuador 22–24 September 1978 Carpet (indoors) | Coliseo Voltaire Paladines Polo, Guayaquil, Ecuador 22–24 September 1978 Carpet (indoors) | Peru 1 |
| 1 2 3 4 5 1 Andrés Gómez Alberto Franco 6 2 6 2 8 6       2 Ricardo Ycaza Fernando Maynetto 6 4 4 6 0 6 6 3 6 4   3 Andrés Gómez / Ricardo Ycaza Alberto Franco / Fernando Maynetto 6 4 6 3 6 1       4 Raúl Viver Alberto Franco 5 7 6 2 6 2 6 2     5 Andrés Gómez Fernando Maynetto 3 6 4 6 3 6 ||||
Bolivia vs. Brazil
| Bolivia 0 | Club de Tenis Cochabamba, Cochabamba, Bolivia 6–8 October 1978 Clay | Club de Tenis Cochabamba, Cochabamba, Bolivia 6–8 October 1978 Clay | Brazil 5 |
| 1 2 3 4 5 1 Juan Carlos Alvarado Carlos Kirmayr 2 6 3 6 0 6       2 Mario Martínez Cássio Motta 4 6 5 7 3 6       3 Juan Carlos Alvarado / Mario Martínez Ney Keller / Carlos Kirmayr 3 6 3 6 4 6       4 Juan Carlos Alvarado Cássio Motta 4 6 3 6 0 6       5 Mario Martínez João Soares 3 6 3 6 6 3 6 0 4 6 ||||

#### Qualifying round

Ecuador vs. Argentina
| Ecuador 1 | Coliseo Voltaire Paladines Polo, Guayaquil, Ecuador 27–29 October 1978 Carpet (indoors) | Coliseo Voltaire Paladines Polo, Guayaquil, Ecuador 27–29 October 1978 Carpet (indoors) | Argentina 4 |
| 1 2 3 4 5 1 Ricardo Ycaza Ricardo Cano 6 3 7 9 6 4 4 6 5 7   2 Andrés Gómez José Luis Clerc 1 6 6 3 6 8 2 6     3 Andrés Gómez / Ricardo Ycaza Lito Álvarez / José Luis Clerc 5 7 6 4 5 7 4 6     4 Ricardo Ycaza José Luis Clerc 6 2 6 3         5 Raúl Viver Fernando Dalla Fontana 4 6 10 12 ||||
Brazil vs. Uruguay
| Brazil 4 | Itu, Brazil November 1978 | Itu, Brazil November 1978 | Uruguay 0 |
| 1 2 3 4 5 1 Carlos Kirmayr Hugo Roverano 6 0 6 2 6 3       2 Cássio Motta José Luis Damiani 3 6 6 4 0 6 6 3 6 4   3 Ney Keller / Carlos Kirmayr José Luis Damiani / Hugo Roverano 6 2 11 9 6 3       4 Cássio Motta Alberto Laborde 6 2 7 5 6 1       5 Carlos Kirmayr José Luis Damiani           not played ||||

### Main draw
#### Draw

| Semifinals 8–10 December 1978 | Semifinals 8–10 December 1978 | Semifinals 8–10 December 1978 | Final 16–18 March | Final 16–18 March | Final 16–18 March |
| Buenos Aires, Argentina (clay) | Buenos Aires, Argentina (clay) | Buenos Aires, Argentina (clay) | | | |
| Argentina | Argentina | 5 | | | |
| Argentina | Argentina | 5 | Buenos Aires, Argentina (clay) | Buenos Aires, Argentina (clay) | Buenos Aires, Argentina (clay) |
| Brazil | Brazil | 0 | Buenos Aires, Argentina (clay) | Buenos Aires, Argentina (clay) | Buenos Aires, Argentina (clay) |
| Brazil | Brazil | 0 | Argentina | Argentina | 3 |
| | | | Chile | Chile | 2 |
| bye | bye | | Chile | Chile | 2 |
| Chile | Chile | | | | |

#### Semifinals

Argentina vs. Brazil
| Argentina 5 | Buenos Aires Lawn Tennis Club, Buenos Aires, Argentina 8–10 December 1978 Clay | Buenos Aires Lawn Tennis Club, Buenos Aires, Argentina 8–10 December 1978 Clay | Brazil 0 |
| 1 2 3 4 5 1 Ricardo Cano Carlos Kirmayr 3 6 6 3 6 2 6 1     2 José Luis Clerc Cássio Motta 6 1 6 0 6 0       3 Lito Álvarez / José Luis Clerc Ney Keller / Cássio Motta 6 4 6 1 6 4       4 José Luis Clerc João Soares 6 4 6 4 6 0       5 Ricardo Cano Cássio Motta 6 4 6 2 6 0 ||||

#### Final

Argentina vs. Chile
| Argentina 3 | Buenos Aires Lawn Tennis Club, Buenos Aires, Argentina 16–18 March 1979 Clay | Buenos Aires Lawn Tennis Club, Buenos Aires, Argentina 16–18 March 1979 Clay | Chile 2 |
| 1 2 3 4 5 1 Guillermo Vilas Jaime Fillol 9 7 6 2 6 2       2 José Luis Clerc Hans Gildemeister 1 6 6 2 3 6 5 7     3 José Luis Clerc / Guillermo Vilas Patricio Cornejo / Belus Prajoux 6 2 6 2 8 6       4 José Luis Clerc Jaime Fillol 6 2 6 1 6 1       5 Guillermo Vilas Hans Gildemeister 6 2 1 6 6 1 5 7 2 1 retired ||||

## Americas Inter-Zonal Final

United States vs. Argentina
| United States 4 | Racquet Club of Memphis, Memphis, TN, United States 14–16 September 1979 Carpet (indoors) | Racquet Club of Memphis, Memphis, TN, United States 14–16 September 1979 Carpet (indoors) | Argentina 1 |
| 1 2 3 4 5 1 Vitas Gerulaitis José Luis Clerc 6 1 7 5 6 1       2 John McEnroe Guillermo Vilas 6 2 6 3 6 2       3 Bob Lutz / Stan Smith José Luis Clerc / Guillermo Vilas 2 6 4 6 11 9 6 4 6 1   4 John McEnroe José Luis Clerc 6 2 6 3         5 Vitas Gerulaitis Guillermo Vilas 7 9 3 0       retired ||||