League Calendars, Days & Times
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Denver-Metro Area
Northern Colorado Area
Southern Colorado Area
Mountains Area
Western Slope Area
** All dates may be adjusted as deemed necessary.
Registration Opening Dates
February 1, 2026
Trio
USTA Mixed 18 & Over
USTA Adult 18 & Over
USTA Adult 55 & Over
CTA Women’s Daytime Doubles
March 1, 2026
USTA Mixed 40 & Over
CTA Mixed 18-39
April 1, 2026
USTA Adult 40 & Over
CTA Adult 18-39
CTA Women’s 2.5 18 & Over
USTA Adult 65 & Over
CTA Women’s Summer Daytime
USTA Tri-Level
May 1, 2026
ITA Mixed
CTA Twilight
* Registration Open Dates may vary for Mountains Area