Cologne
Others
Cologne
Cologne WCT
1969, 1971, 1973, 1976–1986
HardCarpet
| Edition | Name | Category | Surface | Draw | Champion | Finalist | Score |
|---|---|---|---|---|---|---|---|
| 1986 | Cologne | 4 | Hard | 32 |  Jonas Svensson | Stefan Eriksson | 6-7 6-2 6-2 |
| 1985 | Cologne | 3 | Hard | 32 | Peter Lundgren |  Ramesh Krishnan | 6-3 6-2 |
| 1984 | Cologne | 3 | Hard | 32 | Joakim Nystrom |  Miloslav Mecir Sr. | 7-6 6-2 |
| 1983 | Cologne | 4 | Hard | 32 |  Matt Doyle |  Hans-Dieter Beutel | 1-6 6-1 6-2 |
| 1982 | Cologne | 4 | Hard | 32 |  Kevin Curren |  Shlomo Glickstein | 2-6 6-2 6-3 |
| 1981 | Cologne | 4 | Hard | 32 | Ivan Lendl | Sandy Mayer | 6-3 6-3 |
| 1980 | Cologne | 4 | Hard | 32 | Robert Lutz | Nick Saviano | 6-4 6-0 |
| 1979 | Cologne | 4 | Hard | 32 | Gene Mayer |  Wojtek Fibak | 6-3 3-6 6-1 |
| 1978 | Cologne | D | Hard | 32 | Wojtek Fibak | Vijay Amritraj | 6-2 0-1 RET |
| 1977 | Cologne | E | Hard | 32 | Bjorn Borg | Wojtek Fibak | 2-6 7-5 6-3 |
| 1976 | Cologne | E | Hard | 32 | Jimmy Connors |  Frew McMillan | 6-2 6-3 |
| 1973 | Cologne WCT | E | Carpet | 32 |  Jan Kodes |  Brian Fairlie | 6-1 6-3 6-1 |
| 1971 | Cologne WCT | A | Carpet | 32 | Robert Lutz | Jeff Borowiak | 6-3 6-7 6-3 6-2 |
| 1969 | Cologne | A | Hard | 8 |  Andres Gimeno |  Roy Emerson | 6-3 19-17 |