| 10-11.02 1/8 Finals. | | Minsk, Belarus (hard, indoor) | | 1 | Belarus | - | Germany | | Prague, Czechia | hard, indoor) | | 3 | Czechia | - | Switzerland | | La Roche-sur-Yon, France | hard, indoor) | | - | Belgium | 4 | France | | Asheville, United States | hard, indoor) | | - | Netherlands | 2 | United States |
| Bratislava, Slovakia | Hard (i) | Slovakia | – | Russia | | Canberra, Australia | Grass | Australia | – | Ukraine | | Cluj-Napoca, Romania | Hard (i) | Romania | – | Canada | | Chieti, Italy | Clay (i) | Italy | – | Spain |
| America | | Location: Club Internacional de Tenis, Asunción, Paraguay (clay) Dates: 7–10 February | | Pool A: Chile, Colombia, Paraguay | | Pool B: Argentina, Brazil, Guatemala, Venezuela | | Group II Venues: Club Deportivo La Asunción, Metepec, Mexico (hard) and Centro Nacional de Tenis de la FET, Guayaquil, Ecuador (clay) | | Dates: 18–23 June and 18–21 July | | Antigua and Barbuda, Bahamas, Barbados, Bermuda, Bolivia, Costa Rica, Cuba, Dominicana, Ecuador, El Salvador, Honduras, Jamaica, Mexico, Panama, Peru, Trinidad and Tobago, Uruguay |
| Asia/Oceania Zone | | Group I Venue: R.K. Khanna Tennis Complex, New Delhi, India (hard) Dates: 7–10 February | | Pool A: China, Hong Kong, India, Kazakhstan | | Pool B: Chinese Taipei, Japan, South Korea, Thailand | | Group II Venue: Bahrain Polytechnic, Isa Town, Bahrain (hard) Dates: 6–10 February | | Bahrain, Indonesia, Iran, Kyrgyzstan, Lebanon, Malaysia, New Zealand, Oman, Pacific Oceania, Pakistan, Philippines, Singapore, Sri Lanka, Uzbekistan |
| Europe/Africa Zone | | Group I: Venue: Tallink Tennis Centre, Tallinn, Estonia (indoor hard) Dates: 7–10 February | | Pool A: Bulgaria, Georgia, Serbia | | Pool C: Croatia, Hungary, Slovenia, Sweden | | Pool B: Estonia, Great Britain, Portugal | | Pool D: Austria, Latvia, Poland, Turkey | | Group II: Venue: Lyttos Beach, Heraklion, Greece (clay) Dates: 18–21 April | | Bosnia and Herzegovina, Denmark, Egypt, Greece, Israel, Luxembourg, Moldova, Norway | | Group III in 2019. Venue: Cité Nationale Sportive, Tunis, Tunisia (hard) and Ulcinj Bellevue, Ulcinj, Montenegro (clay) Dates: 16–21 April | | Algeria, Andorra, Armenia, Botswana, Cameroon, Cyprus, Finland, Iceland, Ireland, Kenya, Kosovo, Lithuania, Macedonia, Madagascar, Malta, Montenegro, Morocco, Mozambique, South Africa, Tunisia, Uganda |
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