Check seniortennisblog.com for updates…but most tournaments have been cancelled; all category II are now sectional events; ITF has cancelled all but Grade 2, 3, 4 for 2020 but will resume play August 31st. USTA will not begin National play before September.
From carolynnichols.com and seniortennisblog.com:
From USTA.com:
Category III Schedule (2020 not yet posted)