| Register By | Play Begins | Play Ends | |
| Indoor Doubles | Jan 10 | Jan 17 | Apr 30 |
| Indoor Mixed Doubles | Jan 10 | JAN 17 | Apr 30 |
| Indoor Singles #1 | Nov 06 | NOV 12 | Jan 22 |
| Indoor Singles #2 | Jan 19 | Jan 26 | Apr 09 |
| Indoor Singles Playoffs | Apr 14 | Apr 29 |
| Register By | Play Begins | Play Ends | |
| Spring Singles | APR 13 | APR 20 | JUN 11 |
| Summer Singles #1 | JUN 08 | JUN 15 | JUL 30 |
| Summer Singles #2 | JUL 27 | AUG 03 | SEP 17 |
| Fall Singles | SEP 28 | OCT 02 | NOV 05 |
| Register By | Play Begins | Play Ends | |
| Spring Doubles & Mixed | MAY 04 | MAY 11 | JUL 09 |
| Summer Doubles & Mixed | JUL 06 | JUL 13 | SEP 10 |
| Register By | Play Begins | Play Ends | |
| Spring (Girls only- 5 matches) | April 28th | May 5th | JUN 11th |
| Summer #1 - 7 matches | JUN 8th | JUN 15th |
AUG 04 |
| Summer #2 (Boys only - 5 matches) | AUG 03 | AUG 10 | SEP 17 |
| High School DOUBLES | MAY 18 | MAY 25 | JUL 30 |
| Register By | Play Begins | Play Ends | |
| Spring Singles (STL Jrs 2023) | MAR 22 | MAR 24 | MAY 7 |
| Summer Singles 1 (STL Jrs 2023) | MAY 10 | MAY 12 | JUN 25 |
| Summer Singles 2 (STL Jrs 2023) | JUN 29 | JUL 1 | AUG 6 |
| Fall Singles (STL Jrs 2023) | AUG 31 | SEP 2 | NOV 5 |
| Early Rounds | --- | Semifinals | Finals | |
| HS League – Girls (Chicago) | JUL 21 | to | JUL 28 | JUL 29 |
| HS League – Boys (Chicago) | SEP 14 | to | SEP 22 | SEP 23 |
| Outdoor Doubles & Mixed | SEP 14 | to | OCT 13 | OCT 14 |
| Outdoor Singles (Chicago) | SEP 21 | to | OCT 20 | OCT 21 |
| Outdoor Singles (St. Louis) | SEP 21 | to | OCT 27 | OCT 28 |
Chicagoland: (all Events on Saturday, 2-8pm)
