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{{flagicon|NZL}} [[Jose Statham|J Statham]]'''"},"RD1-score04-1":{"wt":"'''79'''"},"RD1-score04-2":{"wt":"'''6'''"},"RD1-score04-3":{"wt":""},"RD1-seed05":{"wt":"3"},"RD1-team05":{"wt":"'''{{flagicon|SUI}} [[Luca Margaroli|L Margaroli]]
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{{flagicon|GRE}} [[Stefanos Tsitsipas|S Tsitsipas]]"},"RD1-score06-1":{"wt":"2"},"RD1-score06-2":{"wt":"3"},"RD1-score06-3":{"wt":""},"RD1-seed07":{"wt":"WC"},"RD1-team07":{"wt":"{{flagicon|FRA}} [[Nicolas N'Godrela|N N'Godrela]]
{{flagicon|SUI}} Loïc Perret"},"RD1-score07-1":{"wt":"3"},"RD1-score07-2":{"wt":"3"},"RD1-score07-3":{"wt":""},"RD1-seed08":{"wt":""},"RD1-team08":{"wt":"'''{{flagicon|USA}} [[Noah Rubin (tennis)|N Rubin]]
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{{flagicon|NZL}} [[Finn Tearney|F Tearney]]"},"RD1-score09-1":{"wt":"'''6'''"},"RD1-score09-2":{"wt":"3"},"RD1-score09-3":{"wt":"[8]"},"RD1-seed10":{"wt":""},"RD1-team10":{"wt":"'''{{nowrap|{{flagicon|ESP}} [[Adrián Menéndez-Maceiras|A Menéndez-Maceiras]]}}
{{flagicon|ITA}} [[Stefano Napolitano|S Napolitano]]'''"},"RD1-score10-1":{"wt":"4"},"RD1-score10-2":{"wt":"'''6'''"},"RD1-score10-3":{"wt":"'''[10]'''"},"RD1-seed11":{"wt":""},"RD1-team11":{"wt":"{{flagicon|SRB}} [[Peđa Krstin|P Krstin]]
{{flagicon|SRB}} [[Nikola Milojević (tennis)|N Milojević]]"},"RD1-score11-1":{"wt":"63"},"RD1-score11-2":{"wt":"1"},"RD1-score11-3":{"wt":""},"RD1-seed12":{"wt":"4"},"RD1-team12":{"wt":"'''{{flagicon|BRA}} [[Guilherme Clezar|G Clezar]]
{{flagicon|BRA}} [[André Ghem|A Ghem]]'''"},"RD1-score12-1":{"wt":"'''77'''"},"RD1-score12-2":{"wt":"'''6'''"},"RD1-score12-3":{"wt":""},"RD1-seed13":{"wt":""},"RD1-team13":{"wt":"'''{{nowrap|{{flagicon|ESP}} [[Roberto Carballés Baena|R Carballés Baena]]}}
{{flagicon|FRA}} [[Kenny de Schepper|K de Schepper]]'''"},"RD1-score13-1":{"wt":"'''77'''"},"RD1-score13-2":{"wt":"'''78'''"},"RD1-score13-3":{"wt":""},"RD1-seed14":{"wt":""},"RD1-team14":{"wt":"{{flagicon|AUS}} [[Maverick Banes|M Banes]]
{{flagicon|GER}} [[Mats Moraing|M Moraing]]"},"RD1-score14-1":{"wt":"65"},"RD1-score14-2":{"wt":"66"},"RD1-score14-3":{"wt":""},"RD1-seed15":{"wt":""},"RD1-team15":{"wt":"{{flagicon|FRA}} [[Mathias Bourgue|M Bourgue]]
{{flagicon|FRA}} [[Corentin Moutet|C Moutet]]"},"RD1-score15-1":{"wt":"5"},"RD1-score15-2":{"wt":"63"},"RD1-score15-3":{"wt":""},"RD1-seed16":{"wt":"2"},"RD1-team16":{"wt":"'''{{flagicon|USA}} [[Mitchell Krueger|M Krueger]]
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{{flagicon|FRA}} [[Tristan Lamasine|T Lamasine]]'''"},"RD2-score01-1":{"wt":"'''6'''"},"RD2-score01-2":{"wt":"'''6'''"},"RD2-score01-3":{"wt":""},"RD2-seed02":{"wt":""},"RD2-team02":{"wt":"{{flagicon|GBR}} [[Cameron Norrie|C Norrie]]
{{flagicon|NZL}} [[Jose Statham|J Statham]]"},"RD2-score02-1":{"wt":"3"},"RD2-score02-2":{"wt":"1"},"RD2-score02-3":{"wt":""},"RD2-seed03":{"wt":"3"},"RD2-team03":{"wt":"'''{{flagicon|SUI}} [[Luca Margaroli|L Margaroli]]
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{{flagicon|BRA}} [[André Ghem|A Ghem]]"},"RD2-score06-1":{"wt":"64"},"RD2-score06-2":{"wt":"3"},"RD2-score06-3":{"wt":""},"RD2-seed07":{"wt":""},"RD2-team07":{"wt":"'''{{nowrap|{{flagicon|ESP}} [[Roberto Carballés Baena|R Carballés Baena]]}}
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Benoît Paire was the defending champion, but chose to compete in Hamburg instead.
Dominic Thiem was the defending champion, but chose to compete in Kitzbühel instead.
Victor Crivoi and Petru-Alexandru Luncanu were the defending champions but only Luncanu decided to defend his title, partnering Kamil Majchrzak. Luncanu lost in the first round to Jonathan Eysseric and Tristan Lamasine.
Bai Yan and Riccardo Ghedin were the defending champions but chose to defend their title with different partners. Bai partnered Wu Di but lost in the quarterfinals to Hans Podlipnik-Castillo and Andrei Vasilevski. Ghedin partnered Quentin Halys but lost in the first round to Bai and Wu.
Grégoire Barrère and Tristan Lamasine were the defending champions but only Lamasine chose to defend his title, partnering Hugo Nys. Lamasine lost in the quarterfinals to Gero Kretschmer and Alexander Satschko.
Quentin Halys and Tristan Lamasine were the defending champions but chose not to defend their title.
Dominic Thiem was the defending champion, but he chose not to defend his title this year.
Scott Griekspoor was the defending champion but lost in the second round to Tristan Lamasine.
Filippo Baldi was the defending champion but lost in the third round to Lukáš Lacko.
Purav Raja and Antonio Šančić were the defending champions but only Raja chose to defend his title, partnering Rameez Junaid. Raja lost in the first round to Scott Clayton and Evan Hoyt.
Grégoire Barrère was the defending champion but chose not to defend his title.
Ugo Humbert was the defending champion but chose not to defend his title.
Robert Galloway and Nathaniel Lammons were the defending champions but chose not to defend their title.
This was the first edition of the tournament.
Quentin Halys and Tristan Lamasine were the defending champions but chose not to defend their title.
Marcelo Arévalo and Tomislav Brkić were the defending champions but chose not to defend their title.
Hugo Nys and Tim Pütz were the defending champions but chose not to defend their title.
Quentin Halys and Tristan Lamasine were the defending champions but only Halys chose to defend his title, partnering Lucas Pouille. Halys lost in the quarterfinals to Purav Raja and Tristan-Samuel Weissborn.
Romain Arneodo and Hugo Nys were the defending champions but lost in the quarterfinals to Benjamin Bonzi and Antoine Hoang.
This was the first edition of the tournament.