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Denver
High Altitude Tennis
Summer Camps - After School Programs - Private Lessons
- Who is HAT? -
HAT is the highest rated junior tennis program in Colorado and we have been providing players of every age, at every level and ability, fun, positive and supportive camps, group and private lessons since 2009.
"Far surpasses anything we have encountered in a youth sports program... AN AMAZING EXPERIENCE!"
- Kelly, HAT Parent, Denver Metro
Services
- Our Services -
Summer
Camps
Private
Lessons
Enrichment
Programs
Group
Lessons




About Us
- About Us -

Brent Mazza
Owner/Director of Tennis
Hey! My name is Brent Mazza, and I am the Owner and Director of Tennis at HAT. Tennis is my true passion in life. I am originally from Southern California, but I went to college in Massachusetts at Boston University...


Maryann Christensen
Executive Assistant/
After School Program Coordinator
Hi! My name is Maryann Christensen and I’m the Executive Assistant and After School Program Coordinator at HAT. I work mostly behind-the-scenes - my many duties include scheduling the after school programs...

Testimonials
- Testimonials -
"The first program I am completely impressed with." - Diana Elliott
"My children are jazzed, they love it and they are inspired." - Nancy Ivankoe
"His progress is clearly visible and amazing to watch." - Donna Neale
"We cannot put into words how thankful we are." - Masood Chowdhury
5-star rating on YELP and FACEBOOK
RESULTS
- Results -
We share our results not to boast but to build trust. In addition to all of the fun and friendships made, we want you to know that we have a proven plan built on the principles of skill and character development. We have a track record of success for the beginner, intermediate and advanced player!
HAT students have been champions at nearly every level of competition.
Pro Tour
ITF
NCAA
High School/
CHSAA
USTA
Contact
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