| Doubles | |
|---|---|
| 2021 Saint Petersburg Challenger II | |
| Champions |  Jesper de Jong Sem Verbeek |
| Runners-up |  Konstantin Kravchuk  Denis Yevseyev |
| Score | 6–1, 3–6, [10–5] |
Christopher Eubanks and Roberto Quiroz were the defending champions but chose not to defend their title. [1]
Jesper de Jong and Sem Verbeek won the title after defeating Konstantin Kravchuk and Denis Yevseyev 6–1, 3–6, [10–5] in the final.
Teymuraz Gabashvili / Aleksandr Nedovyesov (first round)
Nathan Pasha / Max Schnur (quarterfinals) James Cerretani / 
Adil Shamasdin (first round) Jesper de Jong / Sem Verbeek (champions)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | T Gabashvili A Nedovyesov | 1 | 6 | [4] | |||||||||||||||||||||||
| Alt | I Sijsling G Smits | 6 | 3 | [10] | Alt | I Sijsling G Smits | 2 | 4 | |||||||||||||||||||
 M Bašić  H Bourchier | 1 | 1 | K Kravchuk D Yevseyev | 6 | 6 | ||||||||||||||||||||||
| K Kravchuk D Yevseyev | 6 | 6 | K Kravchuk D Yevseyev | w/o | |||||||||||||||||||||||
| 3 | J Cerretani A Shamasdin | 66 | 4 | D Popko A Vatutin | |||||||||||||||||||||||
| D Popko A Vatutin | 78 | 6 | D Popko A Vatutin | 6 | 1 | [10] | |||||||||||||||||||||
 B Lock M Vervoort | 2 | 2 |  A Kadhe  S Mansouri | 4 | 6 | [8] | |||||||||||||||||||||
| A Kadhe S Mansouri | 6 | 6 | K Kravchuk D Yevseyev | 1 | 6 | [5] | |||||||||||||||||||||
| WC |  K Sultanov V Uzakov | 3 | 1 | 4 | J de Jong S Verbeek | 6 | 3 | [10] | |||||||||||||||||||
 V Kopřiva M Vrbenský | 6 | 6 | V Kopřiva M Vrbenský | 0 | 3 | ||||||||||||||||||||||
| WC | D Golubev E Tiurnev | 4 | 64 | 4 | J de Jong S Verbeek | 6 | 6 | ||||||||||||||||||||
| 4 | J de Jong S Verbeek | 6 | 77 | 4 | J de Jong S Verbeek | 6 | 77 | ||||||||||||||||||||
E Karlovskiy  N Serdarušić | 6 | 6 | E Karlovskiy N Serdarušić | 2 | 62 | ||||||||||||||||||||||
| Alt | J Sels T van Rijthoven | 1 | 2 | E Karlovskiy N Serdarušić | 63 | 6 | [10] | ||||||||||||||||||||
| WC | Alexander Igoshin I Nedelko | 65 | 4 | 2 | N Pasha M Schnur | 77 | 3 | [4] | |||||||||||||||||||
| 2 | N Pasha M Schnur | 77 | 6 | ||||||||||||||||||||||||
Novak Djokovic was the defending champion, but chose not to participate this year.
Marcelo Arévalo and Miguel Ángel Reyes-Varela were the defending champions and successfully defended their title, defeating Ariel Behar and Roberto Quiroz 1–6, 6–4, [12–10] in the final.
This was the first edition of the tournament as a Challenger event.
Alex Lawson and Li Zhe were the defending champions but only Li chose to defend his title, partnering Hugo Nys. Li lost in the final to André Göransson and Sem Verbeek.
Robert Galloway and Roberto Maytín were the defending champions but only Maytín chose to defend his title, partnering Jackson Withrow. Maytín lost in the final to Diego Hidalgo and Martin Redlicki.
Matt Reid and Sergiy Stakhovsky were the defending champions but chose not to defend their title.
Hans Hach Verdugo and Luke Saville were the defending champions but only Hach Verdugo chose to defend his title, partnering Dennis Novikov. Hach Verdugo lost in the first round to Alex Lawson and Jackson Withrow.
Sanchai Ratiwatana and Christopher Rungkat were the defending champions but chose not to defend their title.
Toshihide Matsui and Frederik Nielsen were the defending champions but chose not to defend their title.
Lloyd Harris and Dudi Sela were the defending champions but chose not to defend their title.
Max Purcell and Luke Saville were the defending champions but only Purcell chose to defend his title, partnering Jake Delaney. Purcell lost in the first round to Harri Heliövaara and Sem Verbeek.
The 2021 Saint Petersburg Challenger was a professional tennis tournament played on hard courts. It was the first edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Saint Petersburg, Russia between 1 and 7 March 2021.
This was the first edition of the tournament.
Treat Huey and Nathaniel Lammons were the defending champions but only Huey chose to defend his title, partnering Sem Verbeek. Huey lost in the quarterfinals to Emilio Gómez and Roberto Quiroz.
Roberto Maytín and Fernando Romboli were the defending champions but chose not to defend their title.
Hunter Reese and Sem Verbeek were the defending champions but chose not to defend their title.
Luis David Martínez and Felipe Meligeni Alves were the defending champions but only Martínez chose to defend his title, partnering Roberto Quiroz. Martínez lost in the first round to Jesper de Jong and Bart Stevens.
Robin Haase and Matwé Middelkoop defeated Lloyd Harris and Tim Pütz in the final, 4–6, 7–6(7–5), [10–5], to win the doubles tennis title at the 2022 ABN AMRO Rotterdam. It was their fourth career ATP Tour doubles title as a team, and marked Haase's seventh individual doubles title and Middelkoop's 12th. Harris and Pütz were competing in their first event together.
Marc Polmans and Sergiy Stakhovsky were the defending champions but chose not to defend their title.
Robin Haase and Sem Verbeek were the defending champions but chose not to defend their title.