The 1991 Davis Cup World Group qualifying round was held from 20 to 22 September. They were the main play-offs of the 1991 Davis Cup. The winners of the playoffs advanced to the 1992 Davis Cup World Group, and the losers were relegated to their respective Zonal Regions I.

Bold indicates team had qualified for the 1992 Davis Cup World Group. From World Group

Date: 20–22 September

The eight losing teams in the World Group first round ties and eight winners of the Zonal Group I final round ties competed in the World Group qualifying round for spots in the 1992 World Group.

Home team	Score	Visiting team	Location	Venue	Door	Surface	Ref.
Great Britain	3–1	Austria	Manchester	Northern Lawn Tennis Club	Outdoor	Grass	[1]
Belgium	4–1	Israel	Brussels	Royal Primerose Tennis Club	Outdoor	Clay	[2]
Brazil	4–1	India	São Paulo	Esporte Clube Pinheiros	Outdoor	Clay	[3]
Cuba	2–3	Canada	Havana	Complejo de Canchas	Outdoor	Hard	[4]
Italy	4–1	Denmark	Bari	Bari Tennis Club	Outdoor	Clay	[5]
Mexico	0–5	Netherlands	Mexico City	Club Alemán de México	Outdoor	Clay	[6]
Switzerland	5–0	New Zealand	Baden	Bareeg Tennis Club	Indoor	Carpet	[7]
Philippines	0–5	Sweden	Manila	Ninoy Aquino Stadium	Indoor	Carpet	[8]

•  Belgium,  Canada,  Italy and  Sweden remain in the World Group in 1992.
•  Brazil,  Great Britain,  Netherlands and   Switzerland are promoted to the World Group in 1992.
•  Cuba,  Denmark,  India and  Philippines remain in Zonal Group I in 1992.
•  Austria,  Israel,  Mexico and  New Zealand are relegated to Zonal Group I in 1992.

Great Britain 3	Northern Lawn Tennis Club, Manchester, United Kingdom[1] 20–22 September 1991 Grass		Austria 1
1 2 3 4 5 1 Jeremy Bates Thomas Buchmayer 6 2 4 6 6 3 7 5     2 Mark Petchey Thomas Muster 6 2 3 6 77 65 6 2     3 Jeremy Bates / Nick Brown Gerald Mandl / Thomas Muster 61 77 6 3 6 0 7 5     4 Jeremy Bates Gerald Mandl 5 7 6 4 8 10       5 Mark Petchey Thomas Buchmayer 6 6         not completed

Belgium 4	Royal Primerose Tennis Club, Brussels, Belgium[2] 20–22 September 1991 Clay		Israel 1
1 2 3 4 5 1 Eduardo Masso Amos Mansdorf 3 6 77 63 6 4 6 1     2 Bart Wuyts Gilad Bloom 77 64 6 1 5 7 6 2     3 Filip Dewulf / Tom Vanhoudt Gilad Bloom / Shahar Perkiss 64 77 5 7 6 4 5 7     4 Bart Wuyts Amos Mansdorf 6 2 5 7 77 63 6 1     5 Eduardo Masso Gilad Bloom 78 66 6 3

Brazil 4	Esporte Clube Pinheiros, São Paulo, Brazil[3] 20–22 September 1991 Clay		India 1
1 2 3 4 5 1 Jaime Oncins Ramesh Krishnan 6 2 6 2 6 3       2 Luiz Mattar Leander Paes 6 4 6 3 6 2       3 Nelson Aerts / Fernando Roese Ramesh Krishnan / Leander Paes 61 77 77 65 6 3 3 6 4 6   4 Luiz Mattar Ramesh Krishnan 5 7 6 3 6 3 6 4     5 Jaime Oncins Leander Paes 6 4 6 1

Cuba 2	Complejo de Canchas, Havana, Cuba[4] 20–22 September 1991 Hard		Canada 3
1 2 3 4 5 1 Mario Tabares Andrew Sznajder 6 3 2 6 3 6 6 3 8 6   2 Juan Pino Grant Connell 62 77 3 6 2 6       3 Juan Pino / Mario Tabares Grant Connell / Sébastien Lareau 4 6 64 77 6 4 6 4 3 6   4 Mario Tabares Grant Connell 1 6 3 6 4 6       5 Juan Pino Andrew Sznajder 6 3 6 1

Italy 4	Bari Tennis Club, Bari, Italy[5] 20–22 September 1991 Clay		Denmark 1
1 2 3 4 5 1 Omar Camporese Frederik Fetterlein 6 3 3 6 2 6 4 6     2 Claudio Pistolesi Michael Tauson 6 1 6 2 77 64       3 Omar Camporese / Diego Nargiso Frederik Fetterlein / Michael Tauson 6 3 6 3 6 4       4 Omar Camporese Michael Tauson 77 65 6 1 6 2       5 Claudio Pistolesi Frederik Fetterlein 77 63 6 3

Mexico 0	Club Alemán de México, Mexico City, Mexico[6] 20–22 September 1991 Clay		Netherlands 5
1 2 3 4 5 1 Luis Herrera Mark Koevermans 3 6 4 6 4 6       2 Leonardo Lavalle Paul Haarhuis 6 4 63 77 5 7 2 6     3 Leonardo Lavalle / Jorge Lozano Richard Krajicek / Jan Siemerink 2 6 3 6 4 6       4 Luis Herrera Paul Haarhuis 3 6 3 6         5 Leonardo Lavalle Mark Koevermans 2 6 4 6

Switzerland 5	Bareeg Tennis Club, Baden, Switzerland[7] 20–22 September 1991 Carpet (indoors)		New Zealand 0
1 2 3 4 5 1 Marc Rosset Brett Steven 7 5 6 4 6 4       2 Jakob Hlasek Kelly Evernden 77 62 6 4 6 3       3 Jakob Hlasek / Marc Rosset Kelly Evernden / Brett Steven 4 6 77 64 6 3 6 4     4 Jakob Hlasek Brett Steven 7 5 6 4         5 Marc Rosset Kelly Evernden 77 63 3 6 6 3

Philippines 0	Ninoy Aquino Stadium, Manila, Philippines[8] 20–22 September 1991 Carpet (indoors)		Sweden 5
1 2 3 4 5 1 Felix Barrientos Nicklas Kulti 3 6 1 6 4 6       2 Roland So Christian Bergström 1 6 5 7 1 6       3 Felix Barrientos / Sofronio Palahang Rikard Bergh / Christian Bergström 4 6 2 6 2 6       4 Felix Barrientos Christian Bergström 0 6 4 6         5 Roland So Nicklas Kulti 2 6 63 77

• Davis Cup Official Website