| Doubles | ||||
|---|---|---|---|---|
| 2021 Potchefstroom Open | ||||
| Final | ||||
| Champions |  Marc-Andrea Hüsler Zdeněk Kolář | |||
| Runners-up |  Peter Polansky Brayden Schnur | |||
| Score | 6–4, 2–6, | |||
| Events | ||||
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This was the second edition of the tournament. There was no defending champion as the tournament was canceled at the quarterfinals stage due to the COVID-19 pandemic.
Marc-Andrea Hüsler and Zdeněk Kolář won the title after defeating Peter Polansky and Brayden Schnur 6–4, 2–6, in the final.
Seeds
Raven Klaasen / Ruan Roelofse (semifinals)- Marc-Andrea Hüsler / Zdeněk Kolář (champions)
Benjamin Bonzi / Tristan Lamasine (first round)
Teymuraz Gabashvili / 
Mark Vervoort (first round)
Draw
Key
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- SE = Special exempt
- PR = Protected ranking
- ITF = ITF entry
- JE = Junior exempt
- w/o = Walkover
- r = Retired
- d = Defaulted
- SR = Special ranking
| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | R Klaasen R Roelofse
| 6 | 6 | ||||||||||||||||||||||||
| WC | Vasilios Caripi Vaughn Hunter
| 3 | 2 | 1 | R Klaasen R Roelofse
| 6 | 7 | ||||||||||||||||||||
| PR |  J Cagnina N Kuhn
| 6 | 6 | PR | J Cagnina N Kuhn
| 1 | 5 | ||||||||||||||||||||
| WC | Devin Badenhorst Pierre Malan
| 3 | 4 | 1 | R Klaasen R Roelofse
| 3 | 4 | ||||||||||||||||||||
| 4 | T Gabashvili M Vervoort
| 3 | 6 | P Polansky B Schnur
| 6 | 6 | |||||||||||||||||||||
| P Polansky B Schnur
| 6 | 7 | P Polansky B Schnur
| 7 | 3 | ||||||||||||||||||||||
 D Kuzmanov R Quiroz
| 6 | 6 | D Kuzmanov R Quiroz
| 6 | 6 | ||||||||||||||||||||||
| WC | Robbie Arends Khololwam Montsi
| 3 | 2 | P Polansky B Schnur
| 4 | 6 | |||||||||||||||||||||
 L Broady J Draper
| 7 | 7 | 2 | M-A Hüsler Z Kolář
| 6 | 2 | |||||||||||||||||||||
 B Lock A Santillan
| 6 | 5 | L Broady J Draper
| 3 | 6 | ||||||||||||||||||||||
 R Cid Subervi A Kadhe
| 4 | 6 | R Cid Subervi A Kadhe
| 6 | 4 | ||||||||||||||||||||||
| 3 | B Bonzi T Lamasine
| 6 | 4 | L Broady J Draper
| 6 | 3 | |||||||||||||||||||||
G Blancaneaux C İlkel
| 4 | 4 | 2 | M-A Hüsler Z Kolář
| 7 | 6 | |||||||||||||||||||||
A Menéndez Maceiras L Miedler
| 6 | 6 | A Menéndez Maceiras L Miedler
| 6 | 6 | ||||||||||||||||||||||
| Alt | J de Jong V Kopřiva
| 3 | 4 | 2 | M-A Hüsler Z Kolář
| 7 | 3 | ||||||||||||||||||||
| 2 | M-A Hüsler Z Kolář
| 6 | 6 | ||||||||||||||||||||||||