Winterthur has 10 tennis clubs with 45 courts in total. The largest is Tennis und Squash Grüze AG with 8 courts. 5 clubs offer indoor courts for year-round play. The most common surface is clay, with 16 courts across the city. 7 clubs offer online court booking. Scroll down for the full list, with each club's surfaces, courts and contact details, and find the one that fits how you like to play.