Registration is open for the 10th annual One Ball Tournament for Testicular Cancer to be held Saturday, June 24 at War Veterans Recreation, 3431 Fluvanna Ave. Ext. in Jamestown.

The whiffle ball tournament, for ages 21 and older begins at 9:30 a.m. Team registration is open at www.1ball4tc.com, and teams are guaranteed three games. Entry fees are $150 per team (four to six players per team). Each player receives a One Ball Tournament T-shirt, and teams can choose to enter one of three divisions — Competitive, Intermediate or “We’re Here for the Party.”

The eighth annual One Ball “Stack Your Balls” Golf Scramble for Testicular Cancer will then be held at Cardinal Hills Golf Course, 78 Conewango Road, Randolph, on Saturday, Sept. 16. The golf tournament is a 10 a.m. shotgun start. Entry fees are $300 per team. Prizes will be awarded for men’s, mixed and women’s divisions.

All proceeds benefit One Ball Foundation, a Jamestown-based nonprofit organization whose mission is to raise awareness about testicular cancer and help support those in treatment. For questions or more information, contact Ben Lindquist at 716-499-8427, or go to www.1ball4tc.com where you can register your team, become a sponsor or make a donation.