| 2020 Upper Great Lakes Regional Singles Challenge |
Saint Paul, Minnesota |
October 23 - 27, 2019 |
| 2020 North Atlantic Regional Singles Challenge |
Westborough, Massachusetts |
October 23 - 27, 2019 |
| 2020 New England Regional Singles Challenge |
Westborough, Massachusetts |
October 23 - 27, 2019 |
| 2020 Southwest Pacific Regional Singles Challenge |
Irvine, California |
October 16 - 20, 2019 |
| 2020 Pacific Coast Sectional Pairs Challenge |
Irvine, California |
October 16 - 20, 2019 |
| 2020 Midwestern Sectional Pairs Challenge |
Colorado Springs, Colorado |
October 16 - 20, 2019 |
| 2020 Southwestern Regional Singles Challenge |
Colorado Springs, Colorado |
October 16 - 20, 2019 |
| 2020 North Atlantic Regional Singles Challenge |
Westborough, Massachusetts |
October 2 - 6, 2019 |
| 2020 South Atlantic Regional Singles Challenge |
Aston, Pennsylvania |
October 2 - 6, 2019 |
| 2020 South Atlantic Regional Singles Challenge Nonqualifying |
Aston, Pennsylvania |
October 2 - 6, 2019 |