Fed Cup is structured with an eight-nation World Group and eight-nation World Group II, while the remaining countries are divided into three regional Zones. The official website of Fed Cup by BNP Paribas features news, live scores, results and photos from the largest annual team competition in women's sport. Format  No. of teams : 8 (World Group); 99 (total ). WTA Premier Mandatory tournaments Indian Wells SD Miami SFed cup format Madrid SD Beijing SD. In World Group and World Group II, and World Group and World Group II Play-Off ties, each tie is contested in a best of five matches format, and is played across two days. Australian Open French Open Wimbledon US Open. Seeded teams TBD TBD TBD TBD TBD TBD TBD TBD Unseeded teams TBD TBD TBD TBD TBD TBD TBD TBD. Februar um Brisbane SD Sydney SD St. Play-Off ties for World Group and World Group II will also be played on a home and zombie tower defense knock-out basis taking place in July.