| Doubles | |
|---|---|
| 2013 Ethias Trophy | |
| Champions |  Jesse Huta Galung Igor Sijsling |
| Runners-up |  Eric Butorac  Raven Klaasen |
| Final score | 4–6, 7–6(7–2), [10–7] |
Tomasz Bednarek and Jerzy Janowicz were the defending champions but decided Janowicz not to participate.
Bednarek partnered with Filip Polášek, but lost in the first round.
Jesse Huta Galung and Igor Sijsling won the title, defeating Eric Butorac and Raven Klaasen in the final, 4–6, 7–6(7–2), [10–7].
Juan Sebastián Cabal / Robert Farah (quarterfinals) Eric Butorac / Raven Klaasen (final)
Tomasz Bednarek / 
Filip Polášek (first round) Nicholas Monroe / 
Simon Stadler (semifinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | JS Cabal R Farah | 6 | 6 | ||||||||||||||||||||||||
 K Coppejans X Malisse | 4 | 4 | 1 | JS Cabal R Farah | 5 | 1 | |||||||||||||||||||||
 A Shamasdin  A Siljeström | 6 | 3 | [5] | J Huta Galung I Sijsling | 7 | 6 | |||||||||||||||||||||
| J Huta Galung I Sijsling | 4 | 6 | [10] | J Huta Galung I Sijsling | 6 | 6 | |||||||||||||||||||||
| 3 | T Bednarek F Polášek | 6 | 4 | [9] | C Kas  O Marach | 4 | 4 | ||||||||||||||||||||
| C Kas O Marach | 4 | 6 | [11] | C Kas O Marach | 77 | 6 | |||||||||||||||||||||
 R Junaid F Moser | 6 | 6 | R Junaid F Moser | 61 | 3 | ||||||||||||||||||||||
| M Kowalczyk I Zelenay | 4 | 4 | J Huta Galung I Sijsling | 4 | 77 | [10] | |||||||||||||||||||||
 T Gabashvili  M Kukushkin | 4 | 4 | 2 | E Butorac R Klaasen | 6 | 62 | [7] | ||||||||||||||||||||
| PR | A Beck T Kamke | 6 | 6 | PR | A Beck T Kamke | 4 | 4 | ||||||||||||||||||||
J Brunström  F Mergea | 4 | 3 | 4 | N Monroe S Stadler | 6 | 6 | |||||||||||||||||||||
| 4 | N Monroe S Stadler | 6 | 6 | 4 | N Monroe S Stadler | 3 | 4 | ||||||||||||||||||||
| D Brown P Marx | 6 | 6 | 2 | E Butorac R Klaasen | 6 | 6 | |||||||||||||||||||||
| WC | G Gigounon O Rochus | 3 | 4 | D Brown P Marx | 3 | 3 | |||||||||||||||||||||
| WC | M Authom R Bemelmans | 2 | 0 | 2 | E Butorac R Klaasen | 6 | 6 | ||||||||||||||||||||
| 2 | E Butorac R Klaasen | 6 | 6 | ||||||||||||||||||||||||
Lukáš Dlouhý and Leander Paes were the defending champions, but Paes decided not to participate that year. Dlouhý partnered with David Škoch, but they lost in the first round against Eric Butorac and Rajeev Ram. Butorac and Ram won in the final 7–6(7–4), 6–3, against Guillermo García-López and Mischa Zverev.
Eric Butorac and Jean-Julien Rojer were the defending champions but were eliminated in the second round by Robin Haase and Viktor Troicki. Andy Murray and Jamie Murray won the title after beating František Čermák and Filip Polášek 6–1, 6–4 in the final.
Eric Butorac and Jean-Julien Rojer were the defending champions but decided not to participate together.
Butorac played alongside Bruno Soares, while Rojer partnered up with Aisam-ul-Haq Qureshi.
Butorac lost in the first round to Paul Hanley and Julian Knowle and Rojer lost in the semifinals to American Bob and Mike Bryan, who won the tournament defeating Oliver Marach and Filip Polášek 7–6(7–5), 6–3 in the final.
Johan Brunström and Ken Skupski were the defending champions but decided not to participate together.
Brunström played alongside Raven Klaasen, while Skupski partnered up with Jamie Delgado.
Tomasz Bednarek and Jerzy Janowicz won the final 7–5, 4–6, [10–2] against Michaël Llodra and Édouard Roger-Vasselin.
František Čermák and Filip Polášek were the defending champions, but decided not to participate together.
Čermak played alongside Michal Mertiňák, but lost in the first round to Marcos Baghdatis and Eric Butorac, while Polášek teamed up with Julian Knowle and lost in the semifinals to Jarkko Nieminen and Dmitry Tursunov.
Nieminen and Tursunov went on to win the title, defeating Baghdatis and Butorac in the final, 6–1, 6–4.
František Čermák and Michal Mertiňák were the defending champion, but they decided not to participate together. Čermák played alongside Filip Polášek, but lost in the first round to Rameez Junaid and Philipp Marx. Mertiňák teamed up with André Sá, but lost in the quarterfinals to Victor Baluda and Konstantin Kravchuk.
Mikhail Elgin and Denis Istomin won the title, defeating Ken Skupski and Neal Skupski in the final, 6–2, 1–6, [14–12].
Bob and Mike Bryan were the defending champions, but lost in the final to Eric Butorac and Raven Klaasen, 4–6, 4–6.
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Jarkko Nieminen and Dmitry Tursunov were the defending champions, but Tursunov chose to play in Oeiras instead. Nieminen partnered up with Rameez Junaid but lost in the quarterfinals to Eric Butorac and Raven Klaasen.
Johan Brunström and Raven Klaasen were the defending champions, but Brunström chose not to participate this year. Klaasen played alongside Eric Butorac, but lost in the first round to Andre Begemann and Robin Haase.
Johan Brunström and Raven Klaasen were the defending champions, but Klaasen chose not to participate. Brunström plays alongside Philipp Oswald, but they lost in the first round to Tomasz Bednarek and André Sá.
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Aisam-ul-Haq Qureshi and Jean-Julien Rojer were the defending champions, but Qureshi chose not to participate this year. Rojer played alongside Horia Tecău, but lost in the first round to Grigor Dimitrov and Pierre-Hugues Herbert.
Eric Butorac and Raven Klaasen won the title, defeating Treat Huey and Jack Sock in the final, 6-4, 6-3.
Raven Klaasen and Leander Paes were the defending champions, but Klaasen chose not to compete this year and Paes chose to participate in Sydney instead.
Ivan Dodig and Filip Polášek won the tournament by defeating the defending champions Łukasz Kubot and Marcelo Melo in the final, 6−3, 7−6(7−4).
Marcel Granollers and Rajeev Ram were the defending champions, but chose to compete with different partners. Granollers played alongside Horacio Zeballos, but lost in the second round to Jamie Murray and Neal Skupski. Ram teamed up with Joe Salisbury, but lost in the quarterfinals to Ivan Dodig and Filip Polášek.
Ivan Dodig and Filip Polášek were the defending champions but lost in the first round to Pablo Carreño Busta and Alex de Minaur.
Jean-Julien Rojer and Horia Tecău were the reigning champions from when the tournament was last held in 2019, but both players chose to participate with different partners. Rojer partnered with Marcelo Melo, losing to Tim Pütz and Alexander Zverev in the second round. Tecău partnered with Kevin Krawietz and lost to Ivan Dodig and Filip Polášek, also in the second round.
Raven Klaasen and Michael Venus were the defending champion from when the event was last held in 2019, but they decided not to participate together this year. Klaasen played alongside Ben McLachlan but lost in the second round to Andrés Molteni and Guido Pella. Venus played alongside Tim Pütz but lost in the semifinals to Félix Auger-Aliassime and Hubert Hurkacz.
Raven Klaasen and Michael Venus were the reigning champions from when the tournament was last held in 2019, but both players chose to participate with different partners.