The Langside League runs two cup tournaments in each season: The Southern Trophy and The Henderson Cup. A knockout tournament is drawn at the beginning of each season and cup finals take place on the final week of the season, usually the last week of March at the National Badminton Academy in Scotstoun.
The draw has taken place for the 2021-22 season as follows:
- Shawlands Trinity (Home) v Eaglesham (Away)
- Newton Mearns (Home) v Orchardhill B (Away)
- Netherlee (Home) v Orchardhill A (Away)
- Newlands South (Home) v Old Parish (Away)
Quarter final games must take place before the end of January 2021. The winners of each tie will progress to the semi finals, while the losing teams will then play in the semi finals of the Henderson Cup as follows:
- Eaglesham or Shawlands Trinity (Home) v Newton Mearns or Orchardhill B (Away)
- Netherlee or Orchardhill A (Home) v Newlands South or Old Parish (Away)
Semi final games must take place before 13 March 2022.
The finals of both cups will be held on Wednesday 30 March 2022, most likely at the National Badminton Academy in Scotstoun.