| 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] | ||||
| ||||
The1990 German Open was a men'stennis tournament played onoutdoor clay courts. It was the 84th edition of theHamburg Masters (Hamburg Masters), and was part of theATP Super 9 of the1990 ATP Tour. It took place at theRothenbaum Tennis Center inHamburg, West Germany, from 7 May through 14 May 1990.
The men's field was headlined by ATP No. 3,Brussels,Stuttgart titlist,Australian Open,Monte Carlo quarter-finalistBoris Becker,Miami,San Francisco winner, recentIndian Wells finalistAndre Agassi andTokyo Indoor winner andUS Open semi-finalistAaron Krickstein. Other top seeds wereEstoril titlistEmilio Sánchez,Jay Berger,Andrés Gómez andMichael Chang.
Juan Aguilera defeated
Boris Becker, 6–1, 6–0, 7–6(9–7)
Sergi Bruguera /Jim Courier defeatedUdo Riglewski /Michael Stich, 7–6, 6–2