Day one of the 2021 'A' boys state tennis tournament began on Monday in Sioux Falls. Here are the results through the first day of the event.
Team Standings
| Rank | Team | Points |
| 1 | SF Christian | 287.5 |
| 2 | Huron | 260 |
| 3 | Mitchell | 257 |
| 4 | Yankton | 252 |
| 5 | Lennox | 168.5 |
| 6 | RC Christian | 158 |
| 7 | Pierre T.F. Riggs | 145 |
| 8 | Spearfish | 82.5 |
| 9 | Aberdeen Roncalli | 63 |
| 10 | Madison | 45 |
| 11 | Milbank | 0 |
| 11 | Vermillion | 0 |
Singles Flight 1 - Click Here
Singles Flight 2 - Click Here
Singles Flight 3 - Click Here
Singles Flight 4 - Click Here
Singles Flight 5 - Click Here
Singles Flight 6 - Click Here
Doubles Flight 1 - Click Here
Doubles Flight 2 - Click Here
Doubles Flight 3 - Click Here
