2021 Potchefstroom Open II – Doubles

This was the second of two editions of the tournament in the 2021 tennis season. Marc-Andrea Hüsler and Zdeněk Kolář were the defending champions but only Kolář chose to defend his title, partnering Julien Cagnina. Kolář lost in the final to Raven Klaasen and Ruan Roelofse.

Klaasen and Roelofse won the title after defeating Cagnina and Kolář 6–4, 6–4 in the final.

Seeds
• # Raven Klaasen / Ruan Roelofse (champions)

• # 🇫🇷 Benjamin Bonzi / 🇫🇷 Tristan Lamasine (quarterfinals, withdrew)

• # 🇷🇺 Teymuraz Gabashvili / Mark Vervoort (semifinals)

• # 🇨🇦 Peter Polansky / 🇨🇦 Brayden Schnur (first round, withdrew)