See main article: article and 2019 Nordic Naturals Challenger.
Thanasi Kokkinakis and Matt Reid were the defending champions[1] but only Reid chose to defend his title, partnering Jonny O'Mara. Reid lost in the first round to Egor Gerasimov and Li Zhe.
Marcelo Arévalo and Miguel Ángel Reyes-Varela won the title after defeating Nathan Pasha and Max Schnur 5–7, 6–3, [10–8] in the final.