2009–10 in Swiss football

The following is a summary of the 2009–10 season of competitive football in Switzerland.

Promotion/relegation play-offs
AC Bellinzona as 9th-placed team of the 2009–10 Super League played a two-legged play-off against Challenge League runners-up AC Lugano for a spot in the 2010–11 Super League.

''Bellinzona won 2–1 on aggregate and remain in the Swiss Super League. Lugano remain in the Swiss Challenge League.''

Play-off against relegation
FC Emmenbrücke is relegated to the 2. Liga Interregional.

Qualifying Round
YF Juventus win 7–2 on aggregate

Rapperswil-Jona win 8–2 on aggregate

Delémont win 5–2 on aggregate

Chiasso win 3–1 on aggregate

Final round
Delémont win 5–3 on aggregate and achieve peomotion

Chiasso win 3–0 on aggregate and achieve peomotion

Semi-finals
The winners in the quarter-finals played in this round. FC St. Gallen had beaten FC Luzern 4–1, FC Lausanne-Sport had also beaten Young Boys 4–1, SC Kriens won 2–1 against FC Thun and Basel had been 3–1 winners against Biel-Bienne.

Final
Note: Fair game, no yellow cards

Swiss Clubs in Europe

 * Zürich as league champions: Champions League third qualifying round
 * Young Boys as runners-up: Europa League third qualifying round
 * Basel as third placed team: Europa League second qualifying round
 * Sion as 2008–09 Swiss Cup winners: Europa League play-off round
 * Vaduz as 2008–09 Liechtenstein Cup winners: Europa League second qualifying round

Third qualifying round
Zürich won 5–3 on aggregate.

Play-off round
Zürich won 5–1 on aggregate.

Third qualifying round
''Young Boys 2–2 Athletic Bilbao on aggregate. Athletic Bilbao won on away goals.''

Second qualifying round
Basel won 7–1 on aggregate.

Third qualifying round
Basel won 5–3 on aggregate.

Play-off round
Basel won 8–2 on aggregate.

Play-off round
Fenerbahçe won 4–2 on aggregate.

Second qualifying round
Vaduz won 2–1 on aggregate.

Third qualifying round
Slovan Liberec won 3–0 on aggregate.