Group B of the 2013 Fed Cup Americas Zone Group I was one of four pools in the Americas zone of the 2013 Fed Cup. Four teams competed in a round robin competition, with the top team and the bottom two teams proceeding to their respective sections of the play-offs: the top teams played for advancement to the World Group II Play-offs, while the bottom teams faced potential relegation to Group II.
 PAR |  BRA |  CHI |  MEX | RR W–L | Set W–L | Game W–L | Standings | ||
| 20 | Paraguay | 2–0 | 3–0 | 2–1 | 2–1 | 12–8 | 98–77 | 2 | |
| 31 | Brazil | 0–2 | 3–0 | 3–0 | 3–0 | 16–2 | 104–50 | 1 | |
| 38 | Chile | 0–3 | 0–3 | 0–2 | 0–3 | 4–16 | 53–113 | 4 | |
| 46 | Mexico | 1–2 | 0–3 | 2–0 | 1–2 | 6–12 | 73–88 | 3 |
 Paraguay 2 | Country Club de Ejecutivos, Medellín, Colombia [1] February 6, 2013 Red clay (outdoors) |  Mexico 1 | |||||||||||||||||||||||||||||
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 Brazil 3 | Country Club de Ejecutivos, Medellín, Colombia [2] February 6, 2013 Red clay (outdoors) |  Chile 0 | |||||||||||||||||||||||||||||
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Paraguay 3 | Country Club de Ejecutivos, Medellín, Colombia [3] February 7, 2013 Red clay (outdoors) | Chile 0 | |||||||||||||||||||||||||||||
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Brazil 3 | Country Club de Ejecutivos, Medellín, Colombia [4] February 7, 2013 Red clay (outdoors) | Mexico 0 | |||||||||||||||||||||||||||||
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Paraguay 0 | Country Club de Ejecutivos, Medellín, Colombia [5] February 8, 2013 Red clay (outdoors) | Brazil 2 | |||||||||||||||||||||||||||||
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Chile 0 | Country Club de Ejecutivos, Medellín, Colombia [6] February 8, 2013 Red clay (outdoors) | Mexico 2 | |||||||||||||||||||||||||||||
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The Americas Zone was one of three zones of regional competition in the 2007 Fed Cup.
The Americas Zone was one of three zones of regional competition in the 2008 Fed Cup.
The Americas Zone was one of three zones of regional competition in the 1996 Fed Cup.
Group B of the 2011 Fed Cup Americas Zone Group I was one of two pools in the Asia/Oceania zone of the 2011 Fed Cup. Four teams competed in a round robin competition, with the top team and the bottom two teams proceeding to their respective sections of the play-offs: the top teams played for advancement to the World Group II Play-offs, while the bottom teams faced potential relegation to Group II.
The Play-offs of the 2011 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 2011 Fed Cup Americas Zone Group I, the top countries of each pool played for first to second, while the bottom two of each pool competed for fifth to eighth. The top team advanced to World Group II Play-offs, and the bottom two teams were relegated down to the Americas Zone Group II for the next year.
The Americas Zone was one of three zones of regional competition in the 1995 Fed Cup.
Group B of the 1995 Fed Cup Americas Zone Group I was one of two pools in the Americas Zone Group I of the 1995 Fed Cup. Four teams competed in a round robin competition, with the top two teams advancing to the knockout stage and the bottom team being relegated down to Group II for 1996.
The Americas Zone was one of three zones of regional competition in the 1997 Fed Cup.
The Americas Zone was one of three zones of regional competition in the 1999 Fed Cup.
The Americas Zone was one of three zones of regional competition in the 2000 Fed Cup.
The Americas Zone was one of three zones of regional competition in the 2003 Fed Cup.
The Americas Zone was one of three zones of regional competition in the 2004 Fed Cup.
The Americas Zone was one of three zones of regional competition in the 2005 Fed Cup.
Group B of the 2005 Fed Cup Americas Zone Group I was one of two pools in the Americas Zone Group I of the 2005 Fed Cup. Four teams competed in a round robin competition, with the top team and the bottom two teams proceeding to their respective sections of the play-offs: the top teams played for advancement to the World Group II Play-offs, while the bottom teams faced potential relegation to Group II.
Group A of the 2008 Fed Cup Americas Zone Group I was one of two pools in the Americas Zone Group I of the 2008 Fed Cup. Four teams competed in a round robin competition, with the top team and the bottom two teams proceeding to their respective sections of the play-offs: the top teams played for advancement to the World Group II Play-offs, while the bottom teams faced potential relegation to Group II.
Group B of the 2010 Fed Cup Americas Zone Group I was one of two pools in the Americas Zone Group I of the 2010 Fed Cup. Four teams competed in a round robin competition, with the top team and the bottom two teams proceeding to their respective sections of the play-offs: the top teams played for advancement to the World Group II Play-offs, while the bottom teams faced potential relegation to Group II.
The Play-offs of the 2011 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 nine teams faced off to determine their placing in the 2013 Fed Cup Americas Zone Group I, the top countries of each pool played for first to second, while the bottom two of each pool competed for sixth and ninth. The top team advanced to World Group II Play-offs, and the bottom two teams were relegated down to the Americas Zone Group II for the next year.
Pool A of the 2016 Fed Cup Americas Zone Group I was one of two pools in the Americas zone of the 2016 Fed Cup. Four teams competed in a round robin competition, with the top team and the bottom two teams proceeding to their respective sections of the play-offs: the top team played for advancement to the World Group II Play-offs, while the bottom two teams faced potential relegation to Group II.
Pool B of the 2017 Fed Cup Americas Zone Group I was one of two pools in the Americas zone of the 2017 Fed Cup. Five teams competed in a round robin competition, with the top team and the bottom two teams proceeding to their respective sections of the play-offs: the top team played for advancement to the World Group II Play-offs, while the bottom two teams faced potential relegation to Group II.
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.