| Doubles | |
|---|---|
| 2019 Hall of Fame Open | |
| Champions |  Marcel Granollers  Sergiy Stakhovsky |
| Runners-up |  Marcelo Arévalo  Miguel Ángel Reyes-Varela |
| Final score | 6–7(10–12), 6–4, [13–11] |
Jonathan Erlich and Artem Sitak were the defending champions, but lost in the first round to Marcel Granollers and Sergiy Stakhovsky.
Granollers and Stakhovsky went on to win the title, defeating Marcelo Arévalo and Miguel Ángel Reyes-Varela in the final, 6–7(10–12), 6–4, [13–11].
Santiago González / 
Aisam-ul-Haq Qureshi (first round)
Jonathan Erlich / 
Artem Sitak (first round) Marcus Daniell / 
Leander Paes (semifinals)
Ben McLachlan / 
John-Patrick Smith (semifinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | S González A-u-H Qureshi | 6 | 64 | [12] | |||||||||||||||||||||||
 B Klahn D Kudla | 3 | 77 | [14] | B Klahn D Kudla | 3 | 3 | |||||||||||||||||||||
| M Arévalo MÁ Reyes-Varela | 6 | 6 | M Arévalo MÁ Reyes-Varela | 6 | 6 | ||||||||||||||||||||||
| WC | T Sandgren M Schnur | 3 | 4 | M Arévalo MÁ Reyes-Varela | 7 | 4 | [10] | ||||||||||||||||||||
| 4 | B McLachlan J-P Smith | 6 | 79 | 4 | B McLachlan J-P Smith | 5 | 6 | [4] | |||||||||||||||||||
 U Humbert  H Nys | 3 | 67 | 4 | B McLachlan J-P Smith | 6 | 6 | |||||||||||||||||||||
N Monroe  M Zverev | 77 | 64 | [10] | N Monroe M Zverev | 3 | 4 | |||||||||||||||||||||
| WC | M Cressy K Smith | 65 | 77 | [7] | M Arévalo MÁ Reyes-Varela | 712 | 4 | [11] | |||||||||||||||||||
M Ebden  R Lindstedt | 7 | 6 | M Granollers S Stakhovsky | 610 | 6 | [13] | |||||||||||||||||||||
 A Bublik  D Istomin | 5 | 2 | M Ebden R Lindstedt | 4 | 7 | [12] | |||||||||||||||||||||
| M Purcell L Saville | 6 | 2 | [5] | 3 | M Daniell L Paes | 6 | 5 | [14] | |||||||||||||||||||
| 3 | M Daniell L Paes | 2 | 6 | [10] | 3 | M Daniell L Paes | 6 | 68 | [9] | ||||||||||||||||||
| J Nedunchezhiyan P Raja | 63 | 610 | M Granollers S Stakhovsky | 3 | 710 | [11] | |||||||||||||||||||||
 M Gong Z Zhang | 77 | 712 | M Gong Z Zhang | 2 | 3 | ||||||||||||||||||||||
| M Granollers S Stakhovsky | 66 | 6 | [11] | M Granollers S Stakhovsky | 6 | 6 | |||||||||||||||||||||
| 2 | J Erlich A Sitak | 78 | 3 | [9] | |||||||||||||||||||||||
Marcus Daniell and Horia Tecău were the defending champions, but they don't participate together this year.
Daniell partnered with Artem Sitak, but they were eliminated in the first round, by František Čermák and Christopher Kas.
Tecău played alongside Robert Lindstedt. However, they withdrew from the tournament before their first round match, against Jose Statham and Mikal Statham.
2nd seeds Marcel Granollers and Tommy Robredo won this tournament. Spanish pair defeated Johan Brunström and Stephen Huss 6–4, 7–6(8–6) in the final.
Diego Schwartzman and Horacio Zeballos were the defending champions, but they did not participate this year.
Marc Gicquel and Sergiy Stakhovsky were the defending champion, but Gicquel decided not to compete this year. Stakhovsky played alongside Lucas Pouille and finished as runners-up.
Andre Begemann and Lukáš Rosol were the defending champions, but they did not participate this year. When Prostějov tournament started, Rosol was still in play in doubles competition at French Open.
Andre Begemann and Julian Knowle were the defending champions, but chose not to participate together. Begemann played alongside Florian Mayer, but lost in the first round to Dustin Brown and Jan-Lennard Struff. Knowle teamed up with Vasek Pospisil, but lost in the first round to Eric Butorac and Scott Lipsky.
Raven Klaasen and Rajeev Ram won the title, defeating Rohan Bopanna and Florin Mergea in the final, 7–6(7–5), 6–2.
The world's no.1 doubles pairing, the Bryan Brothers, were originally slated to play the event. This would have been the Bryans' first-ever appearance at Halle, after over a decade of playing in the Queen's Club Championships prior to Wimbledon. However, the Bryans withdrew just prior to the start of the tournament.
Lu Yen-hsun and Jonathan Marray were the defending champions, but Lu chose not to compete this year and Marray chose to compete in Brisbane instead.
Oliver Marach and Fabrice Martin won the title, defeating Austin Krajicek and Benoît Paire in the final, 6–3, 7–5.
Marcus Daniell and Artem Sitak were the defending champions, but lost in the first round to Andrea Arnaboldi and Marc López.
Oliver Marach and Fabrice Martin were the defending champions, but Marach chose not to participate this year and Martin chose to compete in Doha instead.
Nicolaas Scholtz and Tucker Vorster were the defending champions but chose not to defend their title.
Łukasz Kubot and Marcelo Melo were the defending champions and successfully defended their title, defeating Alexander and Mischa Zverev in the final, 7–6(7–1), 6–4 in a repeat of the previous year's final.
Aisam-ul-Haq Qureshi and Rajeev Ram were the defending champions but Ram chose not to participate and Qureshi chose to compete in Båstad instead.
Jonathan Erlich and Aisam-ul-Haq Qureshi were the defending champions but chose not to participate together. Erlich played alongside James Cerretani, but lost in the first round to Guido Pella and João Sousa. Qureshi teamed up with Santiago González and lost in the semifinals to Ivan Dodig and Mate Pavić.
Pierre-Hugues Herbert and Nicolas Mahut were the defending champions, but chose not to defend their title.
Luke Bambridge and Jonny O'Mara were the defending champions but only Bambridge chose to defend his title, partnering Marcus Daniell. Bambridge lost in the semifinals to Marcel Granollers and Ben McLachlan.
Marcelo Demoliner and Santiago González were the defending champions, but chose not to participate together. Demoliner played alongside Divij Sharan, but lost in the quarterfinals to Denys Molchanov and Igor Zelenay. González teamed up with Aisam-ul-Haq Qureshi, but lost in the first round to Ivan Dodig and Filip Polášek.
Ben McLachlan and Jan-Lennard Struff were the defending champions, but chose not to participate together. McLachlan teamed up with Luke Bambridge, but lost in the first round to Divij Sharan and Artem Sitak. Struff played alongside Lucas Pouille, but lost in the semifinals to Nikola Mektić and Franko Škugor.
Rohan Bopanna and Divij Sharan were the defending champions, but chose not to participate together. Bopanna played alongside Arjun Kadhe but lost in the first round to Antoine Hoang and Benoît Paire. Sharan teamed up with Artem Sitak but lost in the first round to Matthew Ebden and Leander Paes.
Jonathan Erlich and Artem Sitak were the defending champions, but Sitak chose not to participate this year. Erlich partnered up with Andrei Vasilevski, but they lost to Jérémy Chardy and Fabrice Martin in the first round.
Łukasz Kubot and Marcelo Melo were the defending champions, but they decided to participate in Dubai instead.
Marcel Granollers and Sergiy Stakhovsky were the reigning champions from when the tournament was last held in 2019, but chose not to defend their title.