1988 Davis Cup
The 1988 Davis Cup (also known as the 1988 Davis Cup by NEC for sponsorship purposes) was the 77th edition of the Davis Cup, the most important tournament between national teams in men's tennis. This year's tournament marked the introduction of sub-divisions within each continental zone. Each zone would now feature two groups, with promotion and relegation between the two. This year also saw the Eastern Zone renamed as the Asia/Oceania Zone. 75 teams would enter the competition, 16 in the World Group, 13 in the Americas Zone, 16 in the Asia/Oceania  Zone, and 30 in the Europe/Africa Zone. Cameroon, Ghana, Haiti, Iraq and Jamaica made their first appearances in the tournament. West Germany defeated Sweden in the final, held at the Scandinavium in Gothenburg, Sweden, on 16–18 December, to win their first title and become the ninth nation to win the Davis Cup. World Group. Final. Sweden vs. West Germany Relegation play-offs. "Date: 8–10 April"