The World Group II was the second highest level of Fed Cup competition in 1998. Winning nations advanced to the World Group play-offs, and the losing nations were demoted to the World Group II play-offs.

Italy 3	Sports Palace, Foligno, Italy 18–19 April 1998 Greenset Trophy carpet (indoors)		Austria 2
1 2 3 1 Francesca Lubiani Barbara Schett 1 6 3 6     2 Silvia Farina Barbara Schwartz 6 4 3 6 9 7   3 Silvia Farina Barbara Schett 64 77 77 63 6 2   4 Francesca Lubiani Sylvia Plischke 77 65 1 6 6 1   5 Laura Golarsa / Francesca Lubiani Sylvia Plischke / Barbara Schett 60 77 5 7

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Australia 2	Royal King's Park Tennis Club, Perth, Australia 18–19 April 1998 Grass (outdoors)		Russia 3
1 2 3 1 Kerry-Anne Guse Tatiana Panova 6 4 3 6 3 6   2 Rachel McQuillan Ekaterina Sysoeva 6 2 4 6 10 12   3 Rachel McQuillan Tatiana Panova 60 77 3 6     4 Kerry-Anne Guse Ekaterina Sysoeva 4 6 6 3 7 5   5 Annabel Ellwood / Rennae Stubbs Anastasia Myskina / Tatiana Panova 6 2 6 2

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Croatia 4	Dubrovnik Tennis Club, Dubrovnik, Croatia 25–26 April 1998 Red clay (outdoors)		Japan 1
1 2 3 1 Mirjana Lučić Naoko Sawamatsu 6 3 77 65     2 Iva Majoli Yuka Yoshida 6 2 6 2     3 Iva Majoli Naoko Sawamatsu 6 2 6 3     4 Mirjana Lučić Yuka Yoshida 6 1 6 2     5 Jelena Kostanić / Dora Krstulović Rika Hiraki / Nana Miyagi 3 6 3 6

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Argentina 1	Buenos Aires L.T.C., Buenos Aires, Argentina 18–19 April 1998 Red clay (outdoors)		Slovakia 4
1 2 3 1 Mariana Díaz Oliva Henrieta Nagyová 2 6 2 6     2 Florencia Labat Karina Habšudová 6 4 3 6 6 3   3 Florencia Labat Henrieta Nagyová 5 7 4 6     4 Mariana Díaz Oliva Karina Habšudová 6 3 2 6 9 11   5 Florencia Labat / Mercedes Paz Karina Habšudová / Janette Husárová 6 3 1 6 4 6

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• Fed Cup structure