The Southern Districts Tennis Association's senior summer competition season for 2021/22 consisted of 16 rounds with 81 teams competing each week. All participating clubs are to be commended for the excellent sportsmanship and the spirited competition that was shown throughout the season.
Tennis SA, Southern Districts Tennis Association would like to thank the club volunteers who looked after their respective teams during the season and formally congratulate the following winners:
SINGLES COMPETITION
| Men | |
| Division 1 | Colonel Light West Tennis Club |
| Division 2 | Denman Tennis Club (Dark Blue) |
| Division 3 | Denman Tennis Club (White) |
| Division 4 | Kingswood Tennis Club |
| Division 5 | Reynella Tennis Club (Black) |
| Division 6 | Kingswood Tennis Club |
| Division 7 | Morphett Vale Tennis Club |
| Women | |
| Division 1 | Colonel Light West Tennis Club |
| Division 2 | Kingswood Tennis Club |
| Division 3 | Coromandel Valley Tennis Club |
MIXED DOUBLES COMPETITION
| Mixed Doubles Competition | Flagstaff Hill Tennis Club |