This was the first edition of the tournament. Zizou Bergs won the title after defeating

Altuğ Çelikbilek Altuğ Çelikbilek (; born 7 September 1996) is a Turkish professional tennis player. Çelikbilek has a career high ATP singles ranking of World No. 154 achieved on 21 February 2022. He also has a career high ATP doubles ranking of World No. 22 ...

6–4, 3–6, 6–4 in the final.

Seeds

Draw

Finals

Top half

Bottom half

References

External links

Main drawQualifying draw
{{DEFAULTSORT:2021 Saint Petersburg Challenger - 1 Saint Petersburg Challenger - 1 St. Petersburg Challenger