The World Group play-offs were four ties which involves the losing nations of the World Group first round and the winning nations of the World Group II. Nations that win their play-off ties entered the 2017 World Group, while losing nations joined the 2017 World Group II.
| Participating Teams | |||
|---|---|---|---|
 Australia |
 Belarus |
 Germany |
 Italy |
 Romania |
 Russia |
 Spain |
 United States |