The Gstaad Open is a professional men’s tennis tournament which is a part of the ATP 250 series of events. It is one of the oldest tournaments, with its first edition held in 1915. The tournament is played on clay courts and as of 2024 is the highest venue in terms of altitude for a professional tennis event.
The tournament features competitions in both the singles and doubles disciplines. The singles event has a draw size of 32, with four spots reserved each for wild card entrants and qualifiers. A main draw of 16 is laid out for the doubles competition, with two spots reserved for wild card entrants.
A match at the Gstaad Open is played in the best of three sets format in both singles and doubles. To win a set, a player has to win six games with a difference of two. If the set score reaches 6-6, then a tiebreak decides the winner of the set. The player who wins seven points with a difference of two wins the set. In doubles, a deciding set is played as a match tiebreak, where the first to ten points with a difference of two points wins the match.
The winner of the singles and the doubles events get 250 ranking points. In both events, the runners-up of singles and doubles get 165 and 150 points respective. The total prize money of the event is €579,320 as of 2024. Out of this, the winners of the singles and doubles get €88,125 and €30,610 respectively.
The most successful player in the history of the event is Roy Emerson, who have five titles at the event. However, four of these titles were won before the Open Era. After the Open Era began in 1968, Sergi Bruguera and Alex Corretja have won the most singles titles; three each to their name. Jurgen Fassbender, Jiri Novak, and David Rikl are the joint record holders for most doubles titles at Gstaad, having won three each.