LONDON (AP)—The United States will face Serbia on an indoor clay surface in Belgrade for its first-round Davis Cup match next year.

The venues for six of the eight first-round World Group matches on March 5-7 were announced Monday by the International Tennis Federation.

The Serbia-U.S. match will be played at the 20,000-seat Belgrade Arena.

Defending champion Spain has been granted an extension until Jan. 11 to choose the venue for its opener against Switzerland, which could pit Rafael Nadal against Roger Federer.