1990 ATP German Open

The 1990 German Open was a men's tennis tournament played on outdoor clay courts. It was the 84th edition of the Hamburg Masters (Hamburg Masters), and was part of the ATP Super 9 of the 1990 ATP Tour. It took place at the Rothenbaum Tennis Center in Hamburg, West Germany, from 7 May through 14 May 1990.

1990 ATP German Open
Date	7–14 May
Edition	84th
Category	ATP Super 9
Draw	56S / 28D
Prize money	$750,000
Surface	Clay / outdoor
Location	Hamburg, West Germany
Venue	Rothenbaum Tennis Center
Champions
Singles
Juan Aguilera[1]
Doubles
Sergi Bruguera / Jim Courier[2]

The men's field was headlined by ATP No. 3, Brussels, Stuttgart titlist, Australian Open, Monte Carlo quarter-finalist Boris Becker, Miami, San Francisco winner, recent Indian Wells finalist Andre Agassi and Tokyo Indoor winner and US Open semi-finalist Aaron Krickstein. Other top seeds were Estoril titlist Emilio Sánchez, Jay Berger, Andrés Gómez and Michael Chang.

Finals

Singles

Main article: 1990 ATP German Open – Singles

Juan Aguilera defeated Boris Becker, 6–1, 6–0, 7–6^(9–7)

• It was Juan Aguilera's 2nd title of the year, and his 5th overall. It was his 1st Masters title of the year, and overall.

Doubles

Main article: 1990 ATP German Open – Doubles

Sergi Bruguera / Jim Courier defeated Udo Riglewski / Michael Stich, 7–6, 6–2