| 4 | | Gaël Monfils | 38 | FRA | 325 | -1 | +50 | Australian Open R64
(R128  ) | | 375 | 2275 |
| 9 | | Kei Nishikori | 35 | JPN | 215 | -1 | +50 | Australian Open R64
(R128 ) | | 265 | 2165 |
| 19 | | Novak Djoković | 37 | SRB | 150 | +53 | +100 | Australian Open R32
(R64 ) | | 250 | 2050 |
| 20 | | Roberto Carballés Baena | 31 | ESP | 150 | +61 | +100 | Australian Open R32
(R128 ) | | 250 | 2050 |
| 28 | | Damir Džumhur | 32 | BIH | 124 | -8 | +10 | | Lost in Australian Open R128 | |
| 33 | | Grigor Dimitrov | 33 | BUL | 110 | -11 | +10 | | Lost in Australian Open R128 | |
| 42 | | Marcos Giron | 31 | USA | 100 | +30 | +50 | Australian Open R64
(R128 ) | | 150 | 2050 |
| 42 | | Jordan Thompson | 30 | AUS | 100 | +30 | +50 | | Lost in Australian Open R64 | |
| 58 | | Kimmer Coppejans | 30 | BEL | 87 | -11 | +16 | | Lost in Qual. Australian Open R3 | |
| 64 | | Pablo Carreño Busta | 33 | ESP | 81 | +51 | +50 | Australian Open R64
(R128 ) | | 131 | 2031 |
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| 65 | | Aslan Karatsev | 31 | RUS | 81 | -28 | | | Lost in Qual. Nonthaburi 3 R1 | |
| 68 | | Mitchell Krueger | 31 | USA | 80 | +944 | +80 | Australian Open R64
(R128 ) | Qual. Australian Open W | Qual. Australian Open W
Australian Open R64
(R128 ) | 130 | 2030 |
| 81 | | Fabio Fognini | 37 | ITA | 75 | -42 | | |
| 88 | | Hugo Dellien | 31 | BOL | 66 | -16 | +16 | | Lost in Qual. Australian Open R3 | |
| 89 | | Grégoire Barrère | 30 | FRA | 66 | -38 | | | Lost in Qual. Australian Open R1 | |
| 92 | | James Duckworth | 32 | AUS | 63 | +181 | +50 | | Lost in Australian Open R64
(R128 ) | |
| 95 | | Thiago Monteiro | 30 | BRA | 60 | +105 | +40 | | Qual. Australian Open W
Lost in Australian Open R128 | |
| 98 | | Federico Coria | 32 | ARG | 60 | -15 | +10 | | Lost in Australian Open R128 | |
| 107 | | Constant Lestienne | 32 | FRA | 54 | -41 | | | Lost in Qual. Australian Open R1 | |
| 108 | | Christoph Negritu | 30 | GER | 52 | -39 | | |
| 123 | | Nikoloz Basilashvili | 32 | GEO | 48 | +263 | +40 | | Qual. Australian Open W
Lost in Australian Open R128 | |
| 131 | | Dušan Lajović | 34 | SRB | 42 | -20 | +10 | | Lost in Australian Open R128 | |
| 136 | | Dominik Koepfer | 30 | GER | 40 | +876 | +40 | | Qual. Australian Open W
Lost in Australian Open R128 | |
| 149 | | Yannick Hanfmann | 33 | GER | 36 | -9 | +10 | | Lost in Australian Open R128 | |
| 152 | | Jan Lennard Struff | 34 | GER | 35 | -6 | +10 | | Lost in Australian Open R128 | |
| 154 | | Christopher O'Connell | 30 | AUS | 35 | -2 | +10 | | Lost in Australian Open R128 | |
| 154 | | Taro Daniel | 31 | JPN | 35 | -2 | +10 | | Lost in Australian Open R128 | |
| 177 | | Yasutaka Uchiyama | 32 | JPN | 30 | +76 | +16 | | Lost in Qual. Australian Open R3 | |
| 182 | | Andrej Martin | 35 | SVK | 29 | -57 | | |
| 183 | | Renzo Olivo | 32 | ARG | 29 | -57 | | | Lost in Buenos Aires R32 | |
| 189 | | Dimitar Kuzmanov | 31 | BUL | 28 | -56 | | |
| 201 | | Hiroki Moriya | 34 | JPN | 26 | -26 | +2 | | Lost in Qual. Nonthaburi 3 R2 | |
| 203 | | Joris De Loore | 31 | BEL | 25 | +809 | +25 | | Hazebrouck W | |
| 203 | | Nerman Fatić | 30 | BIH | 25 | -57 | | |
| 210 | | Franco Agamenone | 31 | ITA | 25 | -43 | | |
| 215 | | Jason Kubler | 31 | AUS | 24 | -44 | | | Lost in Qual. Australian Open R1 | |
| 217 | | Nick Chappell | 32 | USA | 24 | -44 | | |
| 221 | | Roberto Cid Subervi | 31 | DOM | 23 | -45 | | |
| 237 | | Márton Fucsovics | 32 | HUN | 22 | +12 | +8 | | Lost in Qual. Australian Open R2 | |
| 243 | | Mohamed Safwat | 34 | EGY | 21 | -51 | | |
| 248 | | Albert Ramos Viñolas | 36 | ESP | 20 | -50 | | |
| 251 | | Karue Sell | 31 | BRA | 20 | -37 | +2 | | Lost in Qual. Oeiras 2 R2 | |
| 255 | | Lorenzo Giustino | 33 | ITA | 20 | -49 | | | Lost in Qual. Oeiras 2 R1 | |
| 257 | | Yurii Dzhavakian | 31 | UKR | 20 | -35 | +2 | Chennai R16 | Lost in Bhopal R16 | Lost in Bhopal R16
Chennai R16 | 22 | 44 |
| 261 | | Daniel Masur | 30 | GER | 19 | -52 | | |
| 261 | | Alexander Ritschard | 30 | SUI | 19 | +44 | +7 | Oeiras 2 R16 | | 26 | 112 |
| 267 | | Denis Yevseyev | 31 | KAZ | 19 | -55 | | Oeiras 2 R32 | | 26 | 119 |
| 270 | | Gastão Elias | 34 | POR | 18 | +48 | +7 | Oeiras 2 R16 | | 25 | 111 |
| 275 | | Benjamin Lock | 31 | ZIM | 18 | -57 | | |
| 276 | | Kaichi Uchida | 30 | JPN | 18 | -61 | | Cadolzburg R32 | | 19 | 33 |
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| 280 | | Adrian Mannarino | 36 | FRA | 17 | +137 | +10 | | Lost in Australian Open R128 | |
| 286 | | Nicolás Kicker | 32 | ARG | 17 | -2 | +4 | Buenos Aires R16 | | 21 | 63 |
| 288 | | Jozef Kovalík | 32 | SVK | 16 | +724 | +16 | | Lost in Qual. Australian Open R3 | |
| 294 | | Alexey Vatutin | 32 | RUS | 16 | -62 | | |
| 302 | | Arthur Weber | 32 | FRA | 16 | -65 | | |
| 312 | | Hernán Casanova | 30 | ARG | 15 | -69 | | Santiago R32 | | 16 | 30 |
| 320 | | Gonzalo Villanueva | 30 | ARG | 15 | +75 | +7 | Buenos Aires R16 | Qual. Buenos Aires W | Qual. Buenos Aires W
Buenos Aires R16 | 19 | 61 |
| 323 | | Norbert Gombos | 34 | SVK | 14 | -74 | | |
| 327 | | Dennis Novak | 31 | AUT | 14 | -68 | | |
| 330 | | Daniel Dutra da Silva | 36 | BRA | 14 | -77 | | | Lost in Buenos Aires R32 | |
| 341 | | Kenny de Schepper | 37 | FRA | 14 | -59 | +1 | Bressuire R16 | Lost in Hazebrouck R32 | Lost in Hazebrouck R32
Bressuire R16 | 15 | 28 |
| 346 | | Mikhail Kukushkin | 37 | KAZ | 13 | -73 | | | Lost in Qual. Australian Open R1 | |
| 363 | | Sidharth Rawat | 31 | IND | 13 | +146 | +8 | | Qual. Bhopal W
Lost in Bhopal SF
Qual. Chennai W
Lost in Chennai R32 | |
| 373 | | Gianluca Mager | 30 | ITA | 12 | -68 | | | Lost in Qual. Australian Open R1
Lost in Oeiras 2 R32 | |
| 377 | | Bernard Tomic | 32 | AUS | 12 | -65 | | | Lost in Qual. Australian Open R1 | |
| 390 | | Mathias Bourgue | 30 | FRA | 11 | -19 | +3 | | Lost in Hazebrouck QF | |
| 392 | | Benoît Paire | 35 | FRA | 11 | -71 | | |
| 414 | | Roberto Bautista Agut | 36 | ESP | 10 | +598 | +10 | | Lost in Australian Open R128 | |
| 420 | | David Goffin | 34 | BEL | 10 | +592 | +10 | | Lost in Australian Open R128 | |
| 465 | | Martin Kližan | 35 | SVK | 8 | -85 | | |
| 485 | | Elmar Ejupovic | 31 | GER | 8 | -88 | | |
| 487 | | Juan Pablo Paz | 30 | ARG | 8 | -87 | | | Lost in Qual. Buenos Aires R1 | |
| 500 | | Richard Gasquet | 38 | FRA | 7 | -91 | | | Lost in Qual. Australian Open R1 | |
| 502 | | Lucas Pouille | 30 | FRA | 7 | -93 | | | Lost in Australian Open R128 | |
| 502 | | Andrea Collarini | 32 | ARG | 7 | -93 | | | Lost in Qual. Australian Open R1
Lost in Buenos Aires R32 | |
| 502 | | Alex Bolt | 32 | AUS | 7 | -85 | | | Lost in Qual. Australian Open R1 | |
| 508 | | Pedro Sakamoto | 31 | BRA | 7 | -81 | | |
| 530 | | Marco Trungelliti | 34 | ARG | 6 | -76 | | | Lost in Qual. Australian Open R1 | |
| 530 | | Facundo Mena | 32 | ARG | 6 | -85 | | | Lost in Qual. Australian Open R1
Lost in Buenos Aires R32 | |
| 544 | | Maxime Chazal | 31 | FRA | 6 | +58 | +3 | | Qual. Buenos Aires W
Lost in Buenos Aires R32 | |
| 548 | | Moez Echargui | 32 | TUN | 6 | -70 | | |
| 578 | | Drew Van Orderlain | 30 | USA | 5 | -42 | +1 | Kingston 2 R32 | Lost in Kingston R16 | Lost in Kingston R16
Kingston 2 R32 | 6 | 20 |
| 578 | | Ivan Nedelko | 38 | RUS | 5 | -85 | | Doha R32 | | 6 | 20 |
| 587 | | Niels Lootsma | 30 | NED | 5 | -75 | | |
| 595 | | Wilson Leite | 33 | BRA | 5 | -83 | | | Lost in Santiago R32 | |
| 601 | | Filip Peliwo | 30 | POL | 5 | -83 | | |
| 603 | | Ričardas Berankis | 34 | LTU | 4 | -83 | | |
| 603 | | Egor Gerasimov | 32 | BLR | 4 | -83 | | |
| 603 | | JiSung Nam | 31 | KOR | 4 | -83 | | |
| 617 | | Tristan Lamasine | 31 | FRA | 4 | -97 | | Bressuire R32 | | 5 | 19 |
| 617 | | Sebastian Fanselow | 33 | GER | 4 | -97 | | Cadolzburg R32 | | 5 | 19 |
| 654 | | Oscar Jose Gutierrez | 31 | BRA | 4 | +82 | +2 | | Lost in Manacor QF
Lost in Qual. Manacor 2 R1 | |
| 654 | | Ricardo Rodriguez Pace | 31 | VEN | 4 | -77 | | |
| 663 | | Vishnu Vardhan | 37 | IND | 4 | -92 | | | Lost in Bhopal R32
Lost in Qual. Chennai R3 | |
| 672 | | Aldin Šetkić | 37 | BIH | 4 | -22 | +1 | Doha R16 | | 5 | 18 |
| 675 | | Marco Cecchinato | 32 | ITA | 3 | +337 | +3 | | Qual. Buenos Aires W
Lost in Buenos Aires R32 | |
| 686 | | Daniel Evans | 34 | GBR | 3 | -101 | | | Lost in Qual. Australian Open R1
Lost in Oeiras 2 R32 | |
| 713 | | Antoine Escoffier | 32 | FRA | 3 | -118 | | | Lost in Qual. Australian Open R1
Lost in Nonthaburi 3 R32 | |
| 729 | | Sekou Bangoura | 33 | USA | 3 | -89 | | |
| 752 | | Michael Zhu | 32 | USA | 3 | -102 | | Kingston 2 R32 | Lost in Kingston R32 | Lost in Kingston R32
Kingston 2 R32 | 4 | 18 |
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| 754 | | Liam Broady | 31 | GBR | 2 | -92 | | |
| 754 | | Steven Diez | 33 | CAN | 2 | -92 | | |
| 754 | | Fernando Romboli | 36 | BRA | 2 | -92 | | |
| 776 | | Yan Bai | 35 | CHN | 2 | -86 | | | Lost in Qual. Nonthaburi 3 R1 | |
| 849 | | Pawel Juszczak | 30 | POL | 2 | -113 | | Monastir 2 R32 | | 3 | 17 |
| 860 | | Siddharth Vishwakarma | 30 | IND | 2 | +105 | +1 | | Lost in Bhopal R16
Lost in Chennai R32 | |
| 876 | | Mark Whitehouse | 31 | GBR | 1 | -106 | | |
| 876 | | Mikal Statham | 37 | NZL | 1 | -106 | | |
| 876 | | Matías Franco Descotte | 30 | ARG | 1 | -106 | | |
| 876 | | Patricio Betancourt Gonzalez | 30 | MEX | 1 | -106 | | |
| 964 | | Darian King | 32 | BAR | 1 | +48 | +1 | Kingston 2 R32 | Lost in Kingston R16 | Lost in Kingston R16
Kingston 2 R32 | 2 | 16 |
| 964 | | Toby Martin | 31 | GBR | 1 | -84 | | |
| 964 | | Gergely Madarász | 30 | HUN | 1 | -84 | | |
| 964 | | Harrison Adams | 30 | USA | 1 | -84 | | |
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