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| Jan 16 • 01:00 | Alex De Minaur |  | - |  | Gerald Melzer | 3 | : | 2 |
| Jan 16 • 01:00 | Ryan Harrison |  | - |  | Nicolas Mahut | 3 | : | 0 |
| Jan 16 • 01:00 | Nicolás Almagro |  | - | | Jérémy Chardy | 0 | : | 0 |
| Jan 16 • 01:00 | Andrey Kuznetsov |  | - |  | Kei Nishikori | 2 | : | 3 |
| Jan 16 • 01:00 | Damir Džumhur |  | - |  | Viktor Troicki | 2 | : | 3 |
| Jan 16 • 01:00 | Víctor Estrella Burgos |  | - |  | Aljaž Bedene | 3 | : | 1 |
| Jan 16 • 02:30 | Andrey Rublev | | - |  | Lu Yen-Hsun | 3 | : | 1 |
| Jan 16 • 02:30 | Quentin Halys | | - | | Sam Querrey | 1 | : | 3 |
| Jan 16 • 02:30 | John Isner | | - | | Konstantin Kravchuk | 3 | : | 1 |
| Jan 16 • 02:30 | Guillermo García López | | - |  | Mischa Zverev | 0 | : | 3 |
| Jan 16 • 02:30 | Tomáš Berdych |  | - |  | Luca Vanni | 1 | : | 0 |
| Jan 16 • 02:30 | Bernard Tomic | | - |  | Thomaz Bellucci | 3 | : | 0 |
| Jan 16 • 04:00 | Andy Murray |  | - |  | Illya Marchenko | 3 | : | 0 |
| Jan 16 • 04:00 | Malek Jaziri |  | - | | Go Soeda | 3 | : | 0 |
| Jan 16 • 04:00 | James Duckworth | | - | | Paolo Lorenzi | 1 | : | 3 |
| Jan 16 • 04:00 | Pablo Cuevas |  | - |  | Diego Schwartzman | 0 | : | 3 |
| Jan 16 • 04:30 | Albert Ramos-Viñolas | | - |  | Lukáš Lacko | 2 | : | 3 |
| Jan 16 • 04:30 | Paul-Henri Mathieu | | - | | Andreas Seppi | 1 | : | 3 |
| Jan 16 • 04:30 | Dušan Lajović | | - | | Stéphane Robert | 3 | : | 0 |
| Jan 16 • 04:30 | Karen Khachanov | | - | | Adrian Mannarino | 3 | : | 1 |
| Jan 16 • 04:30 | Jerzy Janowicz |  | - |  | Marin Čilić | 2 | : | 3 |
| Jan 16 • 05:30 | Jo-Wilfried Tsonga | | - | | Thiago Moura Monteiro | 3 | : | 1 |
| Jan 16 • 06:00 | Alexander Bublik |  | - | | Lucas Pouille | 3 | : | 1 |
| Jan 16 • 06:00 | Bjorn Fratangelo | | - | | Noah Rubin | 2 | : | 3 |
| Jan 16 • 06:00 | Federico Delbonis | | - | | Steve Johnson | 0 | : | 3 |
| Jan 16 • 06:00 | Steve Darcis |  | - | | Samuel Groth | 3 | : | 1 |
| Jan 16 • 07:30 | Marcel Granollers | | - |  | Dudi Sela | 1 | : | 3 |
| Jan 16 • 07:30 | Pierre-Hugues Herbert | | - | | Jack Sock | 0 | : | 3 |
| Jan 16 • 07:30 | Facundo Bagnis | | - | | Daniel Evans | 0 | : | 3 |
| Jan 16 • 08:30 | Gastão Elias |  | - | | Nick Kyrgios | 0 | : | 3 |
| Jan 16 • 09:00 | Stanislas Wawrinka |  | - | | Martin Kližan | 3 | : | 2 |
| Jan 16 • 10:30 | Jürgen Melzer | | - | | Roger Federer | 1 | : | 3 |
| Jan 17 • 01:00 | Thomas Fabbiano | | - | | Donald Young | 0 | : | 3 |
| Jan 17 • 01:00 | Nikoloz Basilashvili |  | - | | Philipp Kohlschreiber | 1 | : | 3 |
| Jan 17 • 01:00 | Alexander Zverev | | - |  | Robin Haase | 3 | : | 2 |
| Jan 17 • 01:00 | Gilles Simon | | - | | Michael Mmoh | 3 | : | 0 |
| Jan 17 • 01:00 | Jared Donaldson | | - | | Rogério Dutra da Silva | 2 | : | 3 |
| Jan 17 • 02:30 | Frances Tiafoe | | - | | Mikhail Kukushkin | 3 | : | 1 |
| Jan 17 • 02:30 | Yoshihito Nishioka | | - | | Alex Bolt | 3 | : | 1 |
| Jan 17 • 02:30 | Dustin Brown | | - |  | Milos Raonic | 0 | : | 3 |
| Jan 17 • 02:30 | Reilly Opelka | | - | | David Goffin | 2 | : | 3 |
| Jan 17 • 02:30 | Radu Albot |  | - | | Carlos Berlocq | 1 | : | 3 |
| Jan 17 • 02:30 | Pablo Carreño Busta | | - | | Peter Polansky | 2 | : | 2 |
| Jan 17 • 03:00 | Florian Mayer | | - | | Rafael Nadal | 0 | : | 3 |
| Jan 17 • 03:00 | Kyle Edmund | | - |  | Santiago Giraldo | 3 | : | 0 |
| Jan 17 • 04:00 | Alexandr Dolgopolov | | - | | Borna Ćorić | 3 | : | 1 |
| Jan 17 • 04:00 | Dominic Thiem | | - | | Jan-Lennard Struff | 3 | : | 1 |
| Jan 17 • 04:00 | Dmitry Tursunov | | - | | Radek Štěpánek | 0 | : | 3 |
| Jan 17 • 04:00 | Blake Mott | | - | | Richard Gasquet | 0 | : | 3 |
| Jan 17 • 04:30 | Mikhail Youzhny | | - |  | Marcos Baghdatis | 0 | : | 1 |
| Jan 17 • 04:30 | Roberto Bautista-Agut | | - | | Guido Pella | 3 | : | 0 |
| Jan 17 • 04:30 | Daniil Medvedev | | - | | Ernesto Escobedo | 1 | : | 3 |
| Jan 17 • 04:30 | Gilles Müller |  | - | | Taylor Harry Fritz | 3 | : | 0 |
| Jan 17 • 04:30 | Jordan Thompson | | - | | João Sousa | 3 | : | 2 |
| Jan 17 • 04:30 | Ivo Karlović | | - | | Horacio Zeballos | 3 | : | 2 |
| Jan 17 • 04:30 | Adam Pavlásek | | - | | Andrew Whittington | 1 | : | 3 |
| Jan 17 • 06:00 | Gaël Monfils | | - | | Jiří Veselý | 3 | : | 0 |
| Jan 17 • 06:00 | Tommy Haas | | - | | Benoît Paire | 0 | : | 2 |
| Jan 17 • 06:00 | Fabio Fognini | | - | | Feliciano López | 3 | : | 0 |
| Jan 17 • 06:00 | Chung Hyeon |  | - | | Renzo Olivo | 3 | : | 0 |
| Jan 17 • 06:00 | Denis Istomin |  | - | | Ivan Dodig | 3 | : | 1 |
| Jan 17 • 07:00 | Omar Jasika | | - | | David Ferrer | 0 | : | 3 |
| Jan 17 • 09:00 | Grigor Dimitrov |  | - | | Christopher O'Connell | 3 | : | 0 |
| Jan 17 • 09:00 | Fernando Verdasco | | - | | Novak Djokovic | 0 | : | 3 |
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| Jan 18 • 01:00 | Malek Jaziri | | - | | Alexander Bublik | 3 | : | 0 |
| Jan 18 • 01:00 | Jérémy Chardy | | - | | Kei Nishikori | 0 | : | 3 |
| Jan 18 • 02:30 | John Isner | | - | | Mischa Zverev | 2 | : | 3 |
| Jan 18 • 02:30 | Tomáš Berdych | | - | | Ryan Harrison | 3 | : | 0 |
| Jan 18 • 02:30 | Jo-Wilfried Tsonga | | - | | Dušan Lajović | 3 | : | 0 |
| Jan 18 • 03:00 | Lukáš Lacko | | - | | Dudi Sela | 3 | : | 1 |
| Jan 18 • 04:00 | Noah Rubin | | - | | Roger Federer | 0 | : | 3 |
| Jan 18 • 04:00 | Stanislas Wawrinka | | - | | Steve Johnson | 3 | : | 0 |
| Jan 18 • 04:00 | Paolo Lorenzi | | - | | Viktor Troicki | 2 | : | 3 |
| Jan 18 • 04:30 | Karen Khachanov | | - | | Jack Sock | 0 | : | 3 |
| Jan 18 • 05:30 | Diego Schwartzman | | - | | Steve Darcis | 1 | : | 3 |
| Jan 18 • 06:00 | Alex De Minaur | | - | | Sam Querrey | 0 | : | 3 |
| Jan 18 • 06:00 | Daniel Evans | | - | | Marin Čilić | 3 | : | 1 |
| Jan 18 • 08:00 | Andreas Seppi | | - | | Nick Kyrgios | 3 | : | 2 |
| Jan 18 • 10:30 | Andy Murray | | - | | Andrey Rublev | 3 | : | 0 |
| Jan 18 • 10:30 | Bernard Tomic | | - | | Víctor Estrella Burgos | 3 | : | 1 |
| Jan 19 • 01:00 | Donald Young | | - | | Philipp Kohlschreiber | 0 | : | 3 |
| Jan 19 • 01:00 | Roberto Bautista-Agut | | - | | Yoshihito Nishioka | 3 | : | 0 |
| Jan 19 • 01:00 | Ernesto Escobedo | | - | | David Ferrer | 1 | : | 3 |
| Jan 19 • 01:00 | Gilles Simon | | - | | Rogério Dutra da Silva | 3 | : | 0 |
| Jan 19 • 01:00 | Ivo Karlović | | - | | Andrew Whittington | 3 | : | 0 |
| Jan 19 • 01:00 | Carlos Berlocq | | - | | Richard Gasquet | 0 | : | 3 |
| Jan 19 • 01:00 | Pablo Carreño Busta | | - | | Kyle Edmund | 3 | : | 0 |
| Jan 19 • 02:30 | Grigor Dimitrov | | - | | Chung Hyeon | 3 | : | 1 |
| Jan 19 • 04:00 | Gilles Müller | | - | | Milos Raonic | 0 | : | 3 |
| Jan 19 • 04:00 | Radek Štěpánek | | - | | David Goffin | 0 | : | 3 |
| Jan 19 • 04:00 | Denis Istomin | | - | | Novak Djokovic | 3 | : | 2 |
| Jan 19 • 05:30 | Gaël Monfils | | - | | Alexandr Dolgopolov | 3 | : | 1 |
| Jan 19 • 06:00 | Alexander Zverev | | - | | Frances Tiafoe | 3 | : | 0 |
| Jan 19 • 06:00 | Benoît Paire | | - | | Fabio Fognini | 3 | : | 2 |
| Jan 19 • 10:30 | Marcos Baghdatis | | - | | Rafael Nadal | 0 | : | 3 |
| Jan 19 • 10:30 | Dominic Thiem | | - | | Jordan Thompson | 3 | : | 1 |
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| Jan 20 • 02:30 | Steve Darcis | | - | | Andreas Seppi | 1 | : | 3 |
| Jan 20 • 02:30 | Jo-Wilfried Tsonga | | - | | Jack Sock | 3 | : | 1 |
| Jan 20 • 04:00 | Andy Murray | | - | | Sam Querrey | 3 | : | 0 |
| Jan 20 • 04:00 | Mischa Zverev | | - | | Malek Jaziri | 3 | : | 1 |
| Jan 20 • 04:00 | Stanislas Wawrinka | | - | | Viktor Troicki | 3 | : | 1 |
| Jan 20 • 06:00 | Bernard Tomic | | - | | Daniel Evans | 0 | : | 3 |
| Jan 20 • 09:30 | Lukáš Lacko | | - | | Kei Nishikori | 0 | : | 3 |
| Jan 20 • 10:30 | Tomáš Berdych | | - | | Roger Federer | 0 | : | 3 |
| Jan 21 • 02:30 | Dominic Thiem | | - | | Benoît Paire | 3 | : | 1 |
| Jan 21 • 02:30 | Ivo Karlović | | - | | David Goffin | 0 | : | 3 |
| Jan 21 • 04:00 | Alexander Zverev | | - | | Rafael Nadal | 2 | : | 3 |
| Jan 21 • 05:30 | Roberto Bautista-Agut | | - | | David Ferrer | 3 | : | 1 |
| Jan 21 • 05:30 | Pablo Carreño Busta | | - | | Denis Istomin | 2 | : | 3 |
| Jan 21 • 08:00 | Gilles Simon | | - | | Milos Raonic | 1 | : | 3 |
| Jan 21 • 09:00 | Gaël Monfils | | - | | Philipp Kohlschreiber | 3 | : | 0 |
| Jan 21 • 10:30 | Grigor Dimitrov | | - | | Richard Gasquet | 3 | : | 0 |
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| Jan 22 • 04:00 | Andy Murray | | - | | Mischa Zverev | 1 | : | 3 |
| Jan 22 • 04:00 | Stanislas Wawrinka | | - | | Andreas Seppi | 3 | : | 0 |
| Jan 22 • 06:30 | Jo-Wilfried Tsonga | | - | | Daniel Evans | 3 | : | 1 |
| Jan 22 • 09:00 | Roger Federer | | - | | Kei Nishikori | 3 | : | 2 |
| Jan 23 • 02:30 | Dominic Thiem | | - | | David Goffin | 1 | : | 3 |
| Jan 23 • 07:00 | Grigor Dimitrov | | - | | Denis Istomin | 3 | : | 1 |
| Jan 23 • 08:00 | Roberto Bautista-Agut | | - | | Milos Raonic | 1 | : | 3 |
| Jan 23 • 10:30 | Gaël Monfils | | - | | Rafael Nadal | 1 | : | 3 |
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| Jan 24 • 04:30 | Stanislas Wawrinka | | - | | Jo-Wilfried Tsonga | 3 | : | 0 |
| Jan 24 • 09:00 | Mischa Zverev | | - | | Roger Federer | 0 | : | 3 |
| Jan 25 • 04:30 | David Goffin | | - | | Grigor Dimitrov | 0 | : | 3 |
| Jan 25 • 09:30 | Rafael Nadal | | - | | Milos Raonic | 3 | : | 0 |
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| Jan 26 • 09:30 | Roger Federer | | - | | Stanislas Wawrinka | 3 | : | 2 |
| Jan 27 • 09:30 | Rafael Nadal | | - | | Grigor Dimitrov | 3 | : | 2 |
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| Jan 29 • 09:30 | Roger Federer | | - | | Rafael Nadal | 3 | : | 2 |
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