2018 Fed Cup
The 2018 Fed Cup was the 56th edition of the most important tournament between national teams in women's tennis. The 2018 Fed Cup was expected to feature some structural changes, including a 16-team World Group and the introduction of a Final Four event at a neutral, predetermined location. However, the ITF announced shortly before their annual meeting that they were tabling a vote on the changes for at least one year. In one of the biggest shocks in the tournament history, Russia was demoted to the Zonal Groups for the first time in two decades , after consecutive losses to Slovakia and Latvia. The final took place on 10–11 November and was won by the Czech Republic. World Group Play-offs. The four losing teams in the World Group first round ties and four winners of the World Group II ties will compete in the World Group Play-offs for spots in the 2019 World Group. World Group II Play-offs. The four losing teams in the World Group II ties and four winners of the zonal Groups I are scheduled to compete in the World Group II Play-offs for spots in the 2019 World  Group II. Americas Zone. Group I. Location: Club Internacional de Tenis, Asunción, Paraguay (clay) Dates: 7–10 February Group II. Venue 1: Club Deportivo La Asunción, Metepec, Mexico (hard) Venue 2: Centro Nacional de Tenis de la FET, Guayaquil, Ecuador (clay) Dates: 20–23 June and 18–21 July Asia/Oceania Zone. Group I. Venue: R.K. Khanna Tennis Complex, New Delhi, India (hard) Dates: 7–10 February Group II. Venue: Bahrain Polytechnic, Isa Town, Bahrain (hard) Dates: 6–10 February Europe/Africa Zone. Group I. Venue: Tallink Tennis Centre, Tallinn, Estonia (indoor hard) Dates: 7–10 February Group II. Venue: Tatoi Club, Athens, Greece (clay) Dates : 18–21 April Group III. Venue 1: Cité Nationale Sportive, Tunis, Tunisia (hard) Venue 2: Ulcinj Bellevue, Ulcinj, Montenegro (clay) Dates: 16–21 April