The Czechoslovak Open was a professional golf tournament played from 1935 to 1938. Mark Seymour won the inaugural 1935 championship with a score a 276, a record low aggregate for an open championship. Seymour retained the title in 1936 while Henry Cotton won in 1937 and 1938. The first three championships were held near Marienbad at the Royal Golf Club Mariánské Lázně.
|Tournament record score|
|Aggregate||276 Mark Seymour (1935)|
|1935||Mark Seymour||England||Marienbad||276||4 strokes||Arthur Lees|||
|1936||Mark Seymour||England||Marienbad||295||10 strokes||G Wilson|||
|1937||Henry Cotton||England||Marienbad||279||5 strokes||Arthur Lees|||
|1938||Henry Cotton||England||Carlsbad||282||11 strokes||Bill Laidlaw|||
- "From the golf courses – Brilliant win for Mark Seymour". The Glasgow Herald. 26 August 1935. p. 6.
- "Mark Seymour's success – Retains Czechoslovakian title". The Glasgow Herald. 28 August 1936. p. 6.
- "From the golf courses – Another title for Cotton". The Glasgow Herald. 23 August 1937. p. 4.
- "Golf – Czechoslovak Championship". The Times. 27 August 1938. p. 3.