The 36th annual Lewis Drug Pro/Am Racquetball Tournament opens today in Sioux Falls and runs through Sunday.

All of the top 12 players in International Racquetball Tour rankings will be in town competing for more than $25,000 in prize money.

Also competing is Kane Waselenchuk, the eight time world champion who has held the top ranking in the sport since 2008.

The tournament begins with a Pro/Am doubles tournament and is being held at various racquetball courts around town.

The professional championship matches will be held Saturday at Family Wellness.