Cologne CH 1978 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Wojtek Fibak | d. | Vijay Amritraj | 6-2 0-1 RET |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Wojtek Fibak | d. | John McEnroe | 5-7 6-1 6-1 |
| Vijay Amritraj | d. | Heinz Gunthardt | 6-2 6-2 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| John McEnroe | d. | Johan Kriek | 6-4 6-2 |
| Wojtek Fibak | d. | Karl Meiler | 6-2 6-1 |
| Vijay Amritraj | d. | Balazs Taroczy | 6-4 6-4 |
| Heinz Gunthardt | d. | Corrado Barazzutti | 6-3 3-6 6-2 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| John McEnroe | d. | Cliff Letcher | 6-2 6-2 |
| Johan Kriek | d. | Dick Bohrnstedt | 6-4 4-6 6-0 |
| Wojtek Fibak | d. | Ferdi Taygan | 6-1 6-2 |
| Karl Meiler | d. | Victor Amaya | 6-2 6-2 |
| Vijay Amritraj | d. | Trey Waltke | 7-6 7-5 |
| Balazs Taroczy | d. | Ivan Lendl | 6-4 1-6 6-1 |
| Heinz Gunthardt | d. | Jan Kodes | 6-3 7-6 |
| Corrado Barazzutti | d. | Antonio Munoz | 6-2 6-2 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| John McEnroe | d. | Andreas Maurer | 7-5 6-1 |
| Cliff Letcher | d. | Stanislav Birner | 7-6 1-6 6-3 |
| Dick Bohrnstedt | d. | Colin Dowdeswell | 6-0 6-4 |
| Johan Kriek | d. | Tenny Svensson | 6-3 6-2 |
| Wojtek Fibak | d. | Francisco Gonzalez | 6-3 6-3 |
| Ferdi Taygan | d. | Frew Mcmillan | 6-3 6-3 |
| Karl Meiler | d. | Hans Kary | 6-4 4-6 7-5 |
| Victor Amaya | d. | Jiri Granat | 6-3 6-2 |
| Vijay Amritraj | d. | Peter Fleming | 6-4 6-2 |
| Trey Waltke | d. | Paul Kronk | 6-3 7-5 |
| Ivan Lendl | d. | Vladimir Zednik | 6-4 6-2 |
| Balazs Taroczy | d. | Jiri Hrebec | 6-4 6-2 |
| Heinz Gunthardt | d. | Tomas Smid | 3-6 6-3 6-2 |
| Jan Kodes | d. | Rolf Gehring | 6-1 2-6 6-2 |
| Antonio Munoz | d. | Bernard Mitton | 6-3 4-6 6-1 |
| Corrado Barazzutti | d. | Anand Amritraj | 6-2 6-4 |