| Tournament information | |
|---|---|
| Location | Interlaken, Switzerland | 
| Established | 1989 | 
| Course(s) | Golfclub Interlaken-Unterseen | 
| Par | 72 | 
| Tour(s) | Challenge Tour | 
| Format | Stroke play | 
| Prize fund | £75,000 | 
| Month played | July | 
| Final year | 1998 | 
| Tournament record score | |
| Aggregate | 263 John Senden (1998) | 
| To par | −25 as above | 
| Final champion | |
|   | |
| Location map | |
Location in Switzerland   | |
The Interlaken Open was a golf tournament on the Challenge Tour, held in Switzerland.
It was first played on the Challenge Tour in 1993 [1] and replaced in 2000 by the Swiss Challenge, following financial issues. [2]
| Year | Tour [a] | Winner | Score | To par | Margin of victory  | Runner-up | Ref. | 
|---|---|---|---|---|---|---|---|
| 1998 | CHA |   | 263 | −25 | 2 strokes |   | |
| 1997 | CHA | Abandoned [b] | [3] [4] | ||||
| 1996 | CHA |   | 203 | −13 | 1 stroke |   | |
| 1995 | CHA |   | 200 | −16 | 3 strokes |   | |
| 1994 | CHA |   | 203 | −13 | Playoff |   | |
| 1993 | CHA |   | 207 | −9 | 1 stroke |   | |
| 1992 |   | 141 | −3 | 2 strokes |   | [5] | |
| 1991 |   | 138 | −6 | 2 strokes |   | [6] | |
| 1990 |   | 140 | −4 | 1 stroke |   | [7] | |
| 1989 |   | 141 | −3 | 1 stroke |   | [8] | |