

The largest Red Ball tennis rally-thon in Seattle!
Sunday, October 5th, 2025
Benefiting:

A Rally for a Cure with LLS
On Sunday, October 5, Tennis Center Sand Point will host Rally For The Light, Seattle’s largest Red Ball rally-thon for tennis. This year, we’re partnering with Blood Cancer United to support their Light The Night campaign.
Blood Cancer United leads the charge in the fight against blood cancers by funding groundbreaking research, supporting patients and families, and advocating for policies that improve access to care. Through Light The Night, communities across the country come together to celebrate, honor, and remember those touched by blood cancers.
Details for Participation
- Teams should have 2-4 players each
- Teams can be family members, friends, or teammates
- Red Ball court sessions are 30 minutes each
- Teams are welcome to register 2 court times MAX
- Players are expected to wear court appropriate shoes
- Players should have their own racquets (loaners are available)
- Junior frames are encouraged for this event but not required
- Balls will be provided by TCSP for every court and team
How to Participate
Step 1: Create Your Rally Team
Click the link below to form your Team and fill out the Google Form completely. Upon completion, the Blood Cancer United Team will send you your confirmation and login credentials to start raising funds for your team!
Step 2: Reserve Your Court & Rally
Once you have registered your team with Blood Cancer United via the Google Form link above, your team will need to book a court time to participate on October 5.
The link below is the SignUp Genius page to secure your team’s time slot(s).
Courts will be 36′ Red Ball dimensions. Rally with a friend, family, or team – and yes, you can reserve multiple courts if you have enough participants to keep the balls flying!
Once TCSP has received confirmation that both Steps 1 & 2 have been completed, we will send out the final confirmation email that you and your partner or team have a secured spot In Rally For The Light!
For questions about this event, please email events@tenniscentersandpoint.com