The 2022 Saturn Oil Open was a professional tennis tournament that was played on clay courts. It was the first edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Troisdorf, Germany between 23 and 29 May 2022.
The following players received wildcards into the singles main draw:
The following players received entry into the singles main draw as alternates:
The following players received entry from the qualifying draw:
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Rémy Bertola
Andrey Chepelev
Lucas Gerch
Lukáš Klein
Shintaro Mochizuki
Aldin Šetkić Lukáš Klein def. .svg/1280px-Flag_of_Belgium_(civil).svg.png){kind=small}
Zizou Bergs 6–2, 6–4.
Dustin Brown / 
Evan King def. Hendrik Jebens / 
Piotr Matuszewski 6–4, 7–5..svg/1280px-Flag_of_Canada_(Pantone).svg.png){kind=small}
