Karl-Heinz Tritschler - Football referee
| European Cup 1990 - 1991 | ||||
| 1/4 finals | Spartak Moskva | Real Madrid | 1991-03-06 | 0 - 0 |
| Euro 1992 qualifiers | ||||
| Czechoslovakia | Spain | 1990-11-14 | 3 - 2 | |
| UEFA Cup 1990 - 1991 | ||||
| 3rd round | Bologna AGC | Admira Wacker | 1990-12-12 | 3 - 0 |
| 1st round | GAIS | Torpedo Moskva | 1990-10-03 | 1 - 1 |
| UEFA Cup 1989 - 1990 | ||||
| 3rd round | Fiorentina | Dynamo Kyiv | 1989-11-22 | 1 - 0 |
| 1st round | Juventus | Gornik Zabrze | 1989-09-27 | 4 - 2 |
| 1st round | Valencia | Victoria Bucuresti | 1989-09-13 | 3 - 1 |
| European Cup2 1989 - 1990 | ||||
| 2nd round | Partizan | Groningen | 1989-11-01 | 3 - 1 |
| European Cup 1988 - 1989 | ||||
| final | AC Milan | Steaua | 1989-05-24 | 4 - 0 |
| UEFA Cup 1988 - 1989 | ||||
| 3rd round | Juventus | Liege RFC | 1988-12-07 | 1 - 0 |
| 3rd round | Bordeaux | Napoli | 1988-11-23 | 0 - 1 |
| WC 1990 qualifiers - Europe | ||||
| Scotland | Yugolsavia | 1988-10-19 | 1 - 1 | |
| Olympic Games 1988 | ||||
| group stage | Australia OT | Brazil OT | 1988-09-20 | 0 - 3 |
| European Cup 1987 - 1988 | ||||
| 1/2 finals | Steaua | Benfica | 1988-04-06 | 0 - 0 |
| Euro 1988 qualifiers | ||||
| Bulgaria | Belgium | 1987-09-23 | 2 - 0 | |
| Olympic Games 1988 qualifiers | ||||
| Switzerland OT | Liechtenstein OT | 1986-09-23 | 9 - 0 | |
| UEFA Cup 1986 - 1987 | ||||
| 1/4 finals | Barcelona | Dundee United | 1987-03-18 | 1 - 2 |
| 3rd round | Dukla Prague | Internazionale | 1986-11-26 | 0 - 1 |
| 1st round | Napoli | Toulouse | 1986-09-17 | 1 - 0 |
| friendly | ||||
| Liechtenstein | Switzerland | 1991-03-12 | 0 - 6 | |
| Hungary | England | 1988-04-27 | 0 - 0 | |
| Switzerland | France | 1986-08-19 | 2 - 0 | |
| Switzerland | Portugal | 1982-03-24 | 2 - 1 | |
| UEFA Cup 1985 - 1986 | ||||
| 1/4 finals | Neuchâtel Xamax | Real Madrid | 1986-03-19 | 2 - 0 |
| 2nd round | Hajduk | Torino | 1985-11-06 | 3 - 1 |
| European Cup 1985 - 1986 | ||||
| 1st round | Barcelona | Sparta Prague | 1985-10-02 | 0 - 1 |
| WC 1986 qualifiers - Europe | ||||
| England | Romania | 1985-09-11 | 1 - 1 | |
| France | Bulgaria | 1984-11-21 | 1 - 0 | |
| Finland | Northern Ireland | 1984-05-27 | 1 - 0 | |
| WC 1985 u16 | ||||
| 1st stage | Brazil u17 | Mexico u17 | 1985-08-04 | 2 - 0 |
| 1st stage | Qatar u17 | Mexico u17 | 1985-08-02 | 1 - 3 |
| European Cup 1984 - 1985 | ||||
| 1/4 finals | Dnipro | Bordeaux | 1985-03-20 | 1 - 1 |
| UEFA Cup 1984 - 1985 | ||||
| 2nd round | QPR | Partizan | 1984-10-24 | 6 - 2 |
| 1st round | Rijeka | Real Valladoid | 1984-10-03 | 4 - 1 |
| Euro 1984 qualifiers | ||||
| Portugal | Finland | 1983-09-21 | 5 - 0 | |
| Luxembourg | Greece | 1982-10-09 | 0 - 2 | |
| UEFA Cup 1983 - 1984 | ||||
| 1st round | Lokomotiv Plovdiv | PAOK | 1983-09-14 | 1 - 2 |
| European Cup 1982 - 1983 | ||||
| 1/4 finals | Liverpool | Widzew Lodz | 1983-03-16 | 3 - 2 |
| European Cup2 1982 - 1983 | ||||
| preliminaries | Aberdeen | Sion | 1982-08-18 | 7 - 0 |
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