Tour · 1978-10-30 · draw of 32
Cologne 1978
HardFinal
| 🇵🇱 Wojtek Fibak | d. | 🇮🇳 Vijay Amritraj | 6-2 0-1 RET | H2H |
Semifinals
| 🇮🇳 Vijay Amritraj | d. | 🇨🇭 Heinz Gunthardt | 6-2 6-2 | H2H |
| 🇵🇱 Wojtek Fibak | d. | 🇺🇸 John McEnroe | 5-7 6-1 6-1 | H2H |
Quarterfinals
| 🇵🇱 Wojtek Fibak | d. | 🇩🇪 Karl Meiler | 6-2 6-1 | H2H |
| 🇮🇳 Vijay Amritraj | d. | 🇭🇺 Balazs Taroczy | 6-4 6-4 | H2H |
| 🇨🇭 Heinz Gunthardt | d. | 🇮🇹 Corrado Barazzutti | 6-3 3-6 6-2 | H2H |
| 🇺🇸 John McEnroe | d. | 🇺🇸 Johan Kriek | 6-4 6-2 | H2H |
Round of 16
| 🇨🇭 Heinz Gunthardt | d. | 🇨🇿 Jan Kodes | 6-3 7-6 | H2H |
| 🇮🇳 Vijay Amritraj | d. | 🇺🇸 Trey Waltke | 7-6 7-6 | H2H |
| 🇩🇪 Karl Meiler | d. | 🇺🇸 Victor Amaya | 6-2 6-2 | H2H |
| 🇺🇸 Johan Kriek | d. | 🇺🇸 Dick R. Bohrnstedt | 6-4 4-6 6-0 | H2H |
| 🇵🇱 Wojtek Fibak | d. | 🇺🇸 Ferdi Taygan | 6-1 6-2 | H2H |
| 🇭🇺 Balazs Taroczy | d. | 🇺🇸 Ivan Lendl | 6-4 1-6 6-1 | H2H |
| 🇮🇹 Corrado Barazzutti | d. | 🇪🇸 Antonio Munoz | 6-2 6-2 | H2H |
| 🇺🇸 John McEnroe | d. | 🇦🇺 Cliff Letcher | 6-2 6-2 | H2H |
Round of 32
| 🇺🇸 Trey Waltke | d. | 🇦🇺 Paul Kronk | 6-3 7-5 | H2H |
| 🇺🇸 Ferdi Taygan | d. | 🇿🇦 Frew McMillan | 6-3 6-3 | H2H |
| 🇪🇸 Antonio Munoz | d. | 🇿🇦 Bernard Mitton | 6-3 4-6 6-1 | H2H |
| 🇩🇪 Karl Meiler | d. | 🇦🇹 Hans Kary | 6-4 4-6 7-5 | H2H |
| 🇦🇺 Cliff Letcher | d. | 🇨🇿 Stanislav Birner | 7-6 1-6 6-3 | H2H |
| 🇺🇸 Ivan Lendl | d. | 🇨🇿 Vladimir Zednik | 6-4 6-2 | H2H |
| 🇨🇿 Jan Kodes | d. | 🇩🇪 Rolf Gehring | 6-1 2-6 6-2 | H2H |
| 🇺🇸 Dick R. Bohrnstedt | d. | 🇬🇧 Colin Dowdeswell | 6-0 6-4 | H2H |
| 🇺🇸 Victor Amaya | d. | 🇨🇿 Jiri Granat | 6-3 6-2 | H2H |
| 🇨🇭 Heinz Gunthardt | d. | 🇨🇿 Tomas Smid | 3-6 6-3 6-2 | H2H |
| 🇺🇸 Johan Kriek | d. | 🇸🇪 Tenny Svensson | 6-3 6-2 | H2H |
| 🇮🇳 Vijay Amritraj | d. | 🇺🇸 Peter Fleming | 6-4 6-2 | H2H |
| 🇵🇱 Wojtek Fibak | d. | 🇵🇾 Francisco Gonzalez | 6-3 6-3 | H2H |
| 🇭🇺 Balazs Taroczy | d. | 🇨🇿 Jiri Hrebec | 6-4 6-2 | H2H |
| 🇮🇹 Corrado Barazzutti | d. | 🇮🇳 Anand Amritraj | 6-2 6-4 | H2H |
| 🇺🇸 John McEnroe | d. | 🇩🇪 Andreas Maurer | 7-5 6-1 | H2H |