| Details | |
|---|---|
| Duration | 22 April – 6 September 1948 |
| Edition | 37th |
| Teams | 29 |
| Champion | |
| Winning nation |  United States |
←1947 1949 → | |
The1948 Davis Cup was the 37th edition of the most important tournament between national teams in men's tennis. 25 teams entered the Europe Zone, and four teams entered the America Zone.Pakistan andTurkey made their first appearances in the competition.
Australia defeatedMexico in the America Zone final, andCzechoslovakia defeatedSweden in the Europe Zone final. Australia defeated Czechoslovakia in the Inter-Zonal play-off, but fell to defending champions theUnited States in the Challenge Round. The championship was played at theWest Side Tennis Club inForest Hills,New York, United States on 4–6 September.[1][2][3]
| Semifinals 8–25 July | Final 6–8 August | |||||||
| Havana, Cuba | ||||||||
 Australia | 5 | |||||||
| Mexico City, Mexico (clay) | ||||||||
 Cuba | 0 | |||||||
| Australia | 4 | |||||||
| Montreal, Canada (grass) | ||||||||
 Mexico | 1 | |||||||
 Canada | 1 | |||||||
| Mexico | 4 | |||||||
Mexico vs. Australia
 Mexico 1 | Centro Deportivo Chapultepec,Mexico City, Mexico[4] 6–8 August 1948 Clay |  Australia 4 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Czechoslovakia vs. Sweden
 Czechoslovakia 4 | Prague,Czechoslovakia[5] 27–29 July 1948 Clay |  Sweden 1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Australia vs. Czechoslovakia
Australia 3 | Longwood Cricket Club,Boston, MA, United States[6] 19–22 August 1948 Grass | Czechoslovakia 2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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United States vs. Australia
 United States 5 | West Side Tennis Club,Forest Hills, NY, United States[3] 4–6 September 1948 Grass | Australia 0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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