2021 Teams - Main
Group A
| Pl | W | L | Pts | |||
| 1 | RTF | 2 | 2 | 0 | 5:1 | 2 |
| 2 | Spain | 2 | 1 | 1 | 4:2 | 1 |
| 3 | Ecuador | 2 | 0 | 2 | 0:6 | 0 |
Group B
| Pl | W | L | Pts | |||
| 1 | Kazakhstan | 2 | 2 | 0 | 5:1 | 2 |
| 2 | Sweden | 2 | 1 | 1 | 4:2 | 1 |
| 3 | Canada | 2 | 0 | 2 | 0:6 | 0 |
Group C
| Pl | W | L | Pts | |||
| 1 | Great Britain | 2 | 2 | 0 | 4:2 | 2 |
| 2 | France | 2 | 1 | 1 | 3:3 | 1 |
| 3 | Czech Republic | 2 | 0 | 2 | 2:4 | 0 |
Group D
| Pl | W | L | Pts | |||
| 1 | Croatia | 2 | 2 | 0 | 5:1 | 2 |
| 2 | Australia | 2 | 1 | 1 | 2:4 | 1 |
| 3 | Hungary | 2 | 0 | 2 | 2:4 | 0 |
Group E
| Pl | W | L | Pts | |||
| 1 | Italy | 2 | 2 | 0 | 4:2 | 2 |
| 2 | Colombia | 2 | 1 | 1 | 3:3 | 1 |
| 3 | USA | 2 | 0 | 2 | 2:4 | 0 |
Group F
| Pl | W | L | Pts | |||
| 1 | Germany | 2 | 2 | 0 | 4:2 | 2 |
| 2 | Serbia | 2 | 1 | 1 | 4:2 | 1 |
| 3 | Austria | 2 | 0 | 2 | 1:5 | 0 |
Promotion ~ Davis Cup ~ World Group (Teams ~ Play Offs: Quarter~finals)
2021 Teams - Play Offs
Quarter-finals
| 1 | RTF (12) | Sweden (13) | |
| 2 | Great Britain (9) | Germany (7) | |
| 3 | Italy (8) | Croatia (4) | |
| 4 | Serbia (6) | Kazakhstan (11) |
Semi-finals
| 1 | RTF (12) | Germany (7) | |
| 2 | Croatia (4) | Serbia (6) |
Final
| 1 | RTF (12) | Croatia (4) |
2021 Teams - Qualifications
Final
| 1 | Croatia | India | |
| 2 | Hungary | Belgium | |
| 3 | Colombia | Argentina | |
| 4 | USA | Uzbekistan | |
| 5 | Australia | Brazil | |
| 6 | Italy | South Korea | |
| 7 | Germany | Belarus | |
| 8 | Kazakhstan | Netherlands | |
| 9 | Slovakia | Czech Republic | |
| 10 | Austria | Uruguay | |
| 11 | Japan | Ecuador | |
| 12 | Sweden | Chile |
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