| Men's doubles | |
|---|---|
| 2022 Keio Challenger | |
| Champions |  Victor Vlad Cornea  Ruben Gonzales |
| Runners-up |  Tomoya Fujiwara Masamichi Imamura |
| Score | 7–5, 6–3 |
Moez Echargui and Skander Mansouri were the defending champions [1] but chose not to defend their title.
Victor Vlad Cornea and Ruben Gonzales won the title after defeating Tomoya Fujiwara and Masamichi Imamura 7–5, 6–3 in the final.
Arjun Kadhe / Ramkumar Ramanathan (quarterfinals)
Andrew Harris / John-Patrick Smith (first round) Victor Vlad Cornea / Ruben Gonzales (champions)
Nam Ji-sung / Song Min-kyu (quarterfinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | A Kadhe R Ramanathan | 6 | 2 | [10] | |||||||||||||||||||||||
 D Džumhur  N Serdarušić | 1 | 6 | [6] | 1 | A Kadhe R Ramanathan | 77 | 2 | [10] | |||||||||||||||||||
 E Kırkın  J Mridha | 7 | 5 | [6] | Alt | T Ichikawa Y Mochizuki | 65 | 6 | [12] | |||||||||||||||||||
| Alt | T Ichikawa Yuki Mochizuki | 5 | 7 | [10] | Alt | T Ichikawa Y Mochizuki | 65 | 62 | |||||||||||||||||||
| 3 | VV Cornea R Gonzales | 3 | 7 | [10] | 3 | VV Cornea R Gonzales | 77 | 77 | |||||||||||||||||||
| S Shimabukuro Yo Watanuki | 6 | 5 | [6] | 3 | VV Cornea R Gonzales | 6 | 5 | [10] | |||||||||||||||||||
 S Danilov Daisuke Sumizawa | 3 | 5 | ND Ionel FC Jianu | 2 | 7 | [6] | |||||||||||||||||||||
| ND Ionel FC Jianu | 6 | 7 | 3 | VV Cornea R Gonzales | 7 | 6 | |||||||||||||||||||||
FC Alcantara  NH Lý | 3 | 2 | WC | T Fujiwara M Imamura | 5 | 3 | |||||||||||||||||||||
| WC | Tomoya Fujiwara M Imamura | 6 | 6 | WC | T Fujiwara M Imamura | 3 | 6 | [10] | |||||||||||||||||||
| T Matsui K Uesugi | 3 | 67 | 4 | J-s Nam M-k Song | 6 | 2 | [7] | ||||||||||||||||||||
| 4 | J-s Nam M-k Song | 6 | 79 | WC | T Fujiwara M Imamura | w/o | |||||||||||||||||||||
| Makoto Ochi J Trotter | 1 | 1 |  F Ferreira Silva  Z Kolář | ||||||||||||||||||||||||
| WC | S Hazawa S Mochizuki | 6 | 6 | WC | S Hazawa S Mochizuki | 2 | 6 | [10] | |||||||||||||||||||
| F Ferreira Silva Z Kolář | 6 | 4 | [13] | F Ferreira Silva Z Kolář | 6 | 2 | [12] | ||||||||||||||||||||
| 2 | A Harris J-P Smith | 3 | 6 | [11] | |||||||||||||||||||||||
Ariel Behar and Andrey Golubev were the defending champions but only Behar chose to defend his title, partnering Aliaksandr Bury. Behar lost in the quarterfinals to Victor Vlad Cornea and Zdeněk Kolář.
Sander Arends and David Pel were the defending champions but chose not to defend their title.
Hunter Reese and Jan Zieliński were the defending champions but chose not to defend their title.
Sadio Doumbia and Fabien Reboul were the defending champions but lost in the quarterfinals to Victor Vlad Cornea and Fabian Fallert.
Victor Vlad Cornea and Fabian Fallert were the defending champions and successfully defended their title, defeating Antonio Šančić and Igor Zelenay 6–4, 3–6, [10–2] in the final.
Victor Vlad Cornea and Fabian Fallert were the defending champions but lost in the final to Marco Bortolotti and Vitaliy Sachko.
Jesper de Jong and Tim van Rijthoven were the defending champions but chose not to defend their title.
Nuno Borges and Francisco Cabral were the defending champions and successfully defended their title, defeating Zdeněk Kolář and Adam Pavlásek 6–4, 6–0 in the final.
Gonçalo Oliveira and Andrei Vasilevski were the defending champions but chose not to defend their title.
This was the first edition of the tournament.
Igor Sijsling and Tim van Rijthoven were the defending champions but chose not to defend their title.
Victor Vlad Cornea and Petros Tsitsipas were the defending champions. However, only Cornea chose to defend his title; he partnered with Andrew Paulson. They went on to win the title, defeating Adrian Andreev and Murkel Dellien 6–3, 6–1 in the final.
Marc-Andrea Hüsler and Kamil Majchrzak were the defending champions but chose not to defend their title.
This was the first edition of the tournament as an ATP Challenger Tour event.
Purav Raja and Ramkumar Ramanathan were the defending champions but only Ramanathan chose to defend his title, partnering Arjun Kadhe. Ramanathan lost in the quarterfinals to Marc Polmans and Jason Taylor.
Nam Ji-sung and Song Min-kyu were the defending champions but chose not to defend their title.
Victor Vlad Cornea and Petr Nouza were the defending champions but chose to defend their title with different partners. Cornea partnered Sergio Martos Gornés but lost in the semifinals to Sander Arends and David Pel. Nouza partnered Vitaliy Sachko but lost in the first round to Cornea and Martos Gornés.
Nuno Borges and Francisco Cabral were the defending champions but chose not to defend their title.
Geoffrey Blancaneaux and Alexandre Müller were the defending champions but chose not to defend their title.
Nicolás Barrientos and Miguel Ángel Reyes-Varela were the defending champions but chose to defend their title with different partners. Barrientos partnered Diego Hidalgo but lost in the quarterfinals to Victor Vlad Cornea and Philipp Oswald. Reyes-Varela partnered Jonathan Eysseric but lost in the quarterfinals to Andrey Golubev and Denys Molchanov.