Advanced Grade Doubles
| Dixon/Jones
    (Canterbury)
 7
                    beat Telfer/Dowling (Southland) 1 | 20 Mar 2021 | 
| McCorkindale/Cleveland
    (South Canterbury)
 7
                    beat Clark/Moratti (Otago) 4 | 20 Mar 2021 | 
| McCorkindale/Cleveland
    (South Canterbury)
 7
                    beat Telfer/Dowling (Southland) 5 | 20 Mar 2021 | 
| Clark/Moratti
    (Otago)
 7
                    beat Green/Wooff (Nelson) 4 | 20 Mar 2021 | 
| McCorkindale/Cleveland
    (South Canterbury)
 7
                    beat Green/Wooff (Nelson) 2 | 21 Mar 2021 | 
| Dixon/Jones
    (Canterbury)
 7
                    beat Clark/Moratti (Otago) 2 | 21 Mar 2021 | 
| Dixon/Jones
    (Canterbury)
 7
                    beat Green/Wooff (Nelson) 3 | 21 Mar 2021 | 
| Clark/Moratti
    (Otago)
 7
                    beat Telfer/Dowling (Southland) 6 | 21 Mar 2021 | 
| Green/Wooff
    (Nelson)
 7
                    beat Telfer/Dowling (Southland) 5 | 21 Mar 2021 | 
| Dixon/Jones
    (Canterbury)
 7
                    beat McCorkindale/Cleveland (South Canterbury) 4 | 21 Mar 2021 |