| 4 | 1 | | Novak Djoković | 37 | SRB | 5560 | | |
| 10 | 3 | | Grigor Dimitrov | 33 | BUL | 3965 | | |
| 29 | MR | | Jordan Thompson | 30 | AUS | 1566 | | |
| 37 | 21 | | Jan Lennard Struff | 34 | GER | 1330 | +1 | | |
| 44 | 6 | | Gaël Monfils | 38 | FRA | 1160 | | |
| 45 | 37 | | Marcos Giron | 31 | USA | 1150 | | |
| 46 | 17 | | Adrian Mannarino | 36 | FRA | 1144 | | +14 | Rennes CF | | 1155 | 1230 |
| 55 | 49 | | Roberto Carballés Baena | 31 | ESP | 921 | | |
| 62 | 9 | | Roberto Bautista Agut | 36 | ESP | 841 | | | Copa Davis (1 G / 0 D)  | | |
| 64 | 7 | | David Goffin | 33 | BEL | 812 | | |
Publicidad |
| 65 | 23 | | Dušan Lajović | 34 | SRB | 811 | | |
| 71 | 46 | | James Duckworth | 32 | AUS | 748 | | |
| 75 | 61 | | Thiago Monteiro | 30 | BRA | 720 | +1 | | Copa Davis (0 G / 1 D) | | |
| 78 | 9 | | Fabio Fognini | 37 | ITA | 694 | +2 | | |
| 79 | 49 | | Dominik Koepfer | 30 | GER | 686 | +2 | | |
| 84 | 31 | | Márton Fucsovics | 32 | HUN | 659 | +1 | | |
| 85 | 23 | | Damir Džumhur | 32 | BIH | 655 | +1 | | |
| 87 | 53 | | Christopher O'Connell | 30 | AUS | 634 | | -2 | Cantón 2 CF | | 645 | 720 |
| 90 | 58 | | Taro Daniel | 31 | JPN | 614 | +2 | | |
| 94 | 45 | | Yannick Hanfmann | 32 | GER | 594 | +2 | | Copa Davis (2 G / 0 D) | | |
| 97 | 49 | | Federico Coria | 32 | ARG | 581 | -18 | -115 | Szczecin R16 | | 587 | 696 |
| 107 | 48 | | Constant Lestienne | 32 | FRA | 534 | +2 | +7 | Rennes CF | | 545 | 620 |
| 109 | 64 | | Hugo Dellien | 31 | BOL | 529 | -2 | | |
| 114 | 14 | | Aslan Karatsev | 31 | RUS | 508 | +3 | | |
| 115 | 39 | | Mikhail Kukushkin | 36 | KAZ | 504 | +5 | +11 | Cantón 2 CF | | 515 | 590 |
| 117 | 80 | | Jozef Kovalík | 31 | SVK | 500 | -3 | -11 | Copa Davis (0 G / 1 D) | | |
| 121 | 7 | | Richard Gasquet | 38 | FRA | 486 | -2 | -13 | | |
| 123 | 122 | | Alexander Ritschard | 30 | SUI | 485 | +1 | | |
| 126 | 17 | | Albert Ramos Viñolas | 36 | ESP | 479 | | | | Derrota Szczecin R32 | |
| 128 | 36 | | Pierre Hugues Herbert | 33 | FRA | 468 | +1 | | |
| 131 | 55 | | Facundo Bagnis | 34 | ARG | 459 | +1 | | |
| 134 | 39 | | Radu Albot | 34 | MDA | 448 | | -6 | Cantón 2 CF | | 459 | 534 |
| 136 | 112 | | Marco Trungelliti | 34 | ARG | 423 | +3 | | |
| 138 | 135 | | Mitchell Krueger | 30 | USA | 409 | +4 | | |
| 140 | 49 | | Grégoire Barrère | 30 | FRA | 405 | -5 | -36 | | |
| 141 | 10 | | Lucas Pouille | 30 | FRA | 401 | -1 | -13 | Rennes R16 | | 408 | 494 |
| 150 | 1 | | Rafael Nadal | 38 | ESP | 380 | +4 | | |
| 156 | 78 | | Yasutaka Uchiyama | 32 | JPN | 370 | +5 | | | Derrota Cantón 2 R32 | |
| 158 | 150 | | Oriol Roca Batalla | 31 | ESP | 370 | -8 | -16 | | |
| 173 | 125 | | Alex Bolt | 31 | AUS | 344 | +1 | | |
| 175 | 21 | | Daniel Evans | 34 | GBR | 334 | +3 | | Copa Davis (1 G / 0 D) | | |
| 179 | 53 | | Denis Kudla | 32 | USA | 326 | +9 | +12 | Las Vegas CF | | 336 | 389 |
| 195 | 60 | | Stefano Travaglia | 32 | ITA | 299 | +4 | | |
| 198 | 127 | | Facundo Mena | 31 | ARG | 295 | -8 | -17 | | |
| 200 | 4 | | Kei Nishikori | 34 | JPN | 288 | +5 | | |
| 203 | 10 | | Pablo Carreño Busta | 33 | ESP | 287 | +4 | | |
| 206 | 153 | | Denis Yevseyev | 31 | KAZ | 282 | +4 | | |
| 213 | 142 | | Joris De Loore | 31 | BEL | 273 | +1 | | |
| 214 | 135 | | Antoine Escoffier | 32 | FRA | 271 | +1 | -2 | Rennes R16 | | 278 | 364 |
| 218 | 8 | | Diego Schwartzman | 32 | ARG | 266 | +1 | | |
Publicidad |
| 233 | 17 | | Bernard Tomic | 31 | AUS | 246 | +6 | +5 | Las Vegas CF | | 256 | 309 |
| 234 | 3 | | Stan Wawrinka | 39 | SUI | 243 | +1 | | |
| 240 | 85 | | Dennis Novak | 31 | AUT | 241 | +6 | +8 | | Derrota Szczecin R16 | |
| 241 | 3 | | Milos Raonic | 33 | CAN | 240 | -1 | | |
| 242 | 3 | | Dominic Thiem | 31 | AUT | 238 | | |
| 255 | 177 | | Andrea Collarini | 32 | ARG | 223 | -11 | -15 | | Córdoba 2 G | |
| 260 | 18 | | Benoît Paire | 35 | FRA | 209 | +3 | | | Derrota Rennes R32 | |
| 268 | 200 | | Yan Bai | 35 | CHN | 204 | +4 | +5 | | Derrota Cantón 2 R16 | |
| 269 | 65 | | Egor Gerasimov | 31 | BLR | 202 | -12 | -16 | | Derrota Cantón 2 R32 | |
| 281 | 78 | | Renzo Olivo | 32 | ARG | 189 | | |
| 282 | 271 | | Pedro Sakamoto | 31 | BRA | 189 | -11 | -12 | | Derrota Calif. Szczecin R1 | |
| 284 | 203 | | Jules Marie | 33 | FRA | 186 | +10 | +5 | | Derrota Rennes R16 | |
| 290 | 127 | | Lorenzo Giustino | 33 | ITA | 182 | +12 | +8 | Dobrich 2 CF | | 188 | 224 |
| 304 | 57 | | Gastão Elias | 33 | POR | 170 | +3 | | |
| 313 | 24 | | Martin Kližan | 35 | SVK | 165 | +1 | | |
| 316 | 49 | | Illya Marchenko | 37 | UKR | 163 | -10 | -7 | | |
| 321 | NMR
(329) | | Karue Sell | 30 | BRA | 159 | +9 | +4 | Las Vegas R16 | | 165 | 228 |
| 322 | 108 | | Franco Agamenone | 31 | ITA | 159 | +1 | | |
| 324 | 273 | | Sebastian Fanselow | 32 | GER | 158 | +7 | +3 | | Derrota Calif. Szczecin R2
Derrota Szczecin R16 | |
| 325 | 50 | | Ričardas Berankis | 34 | LTU | 157 | +1 | | |
| 327 | 16 | | Nikoloz Basilashvili | 32 | GEO | 156 | +20 | +11 | | Calif. Rennes G
Derrota Rennes R16 | |
| 328 | 314 | | Benjamin Lock | 31 | ZIM | 156 | -8 | -8 | | Derrota Dobrich 2 R32 | |
| 331 | 292 | | David Jordá Sanchis | 30 | ESP | 154 | +6 | +4 | Dobrich 2 R16 | | 158 | 200 |
| 340 | 93 | | Liam Broady | 30 | GBR | 148 | | | | Derrota Rennes R32 | |
| 362 | 234 | | Maxime Chazal | 31 | FRA | 136 | +8 | +3 | | Derrota Calif. Szczecin R2 | |
| 363 | 207 | | Daniel Dutra da Silva | 36 | BRA | 136 | | |
| 368 | 181 | | Tristan Lamasine | 31 | FRA | 133 | -29 | -16 | | Derrota Cantón 2 R32 | |
| 370 | 159 | | Dimitar Kuzmanov | 31 | BUL | 131 | +12 | +4 | Dobrich 2 R16 | | 135 | 177 |
| 372 | 16 | | Marco Cecchinato | 31 | ITA | 130 | +2 | | |
| 374 | 140 | | Mathias Bourgue | 30 | FRA | 129 | +1 | | | Derrota Rennes R32 | |
| 380 | 136 | | Alexey Vatutin | 31 | RUS | 127 | +20 | +8 | Szczecin R16 | Calif. Szczecin G | Calif. Szczecin G
Szczecin R16 | 135 | 244 |
| 381 | 41 | | Tennys Sandgren | 33 | USA | 126 | -29 | -16 | | |
| 384 | 147 | | Kaichi Uchida | 30 | JPN | 125 | +3 | | | Derrota Cantón 2 R32 | |
| 393 | 271 | | Moez Echargui | 31 | TUN | 121 | +4 | | |
| 396 | 211 | | Roberto Cid Subervi | 31 | DOM | 118 | +29 | +15 | Kursumlijska Banja 19 R32 | Pirot 2 G | Pirot 2 G
Kursumlijska Banja 19 R32 | |
| 402 | 143 | | Hiroki Moriya | 33 | JPN | 116 | +7 | +3 | | Derrota Nakhon Si Thammarat 9 CF | |
| 407 | 80 | | Norbert Gombos | 34 | SVK | 114 | +1 | | |
| 413 | 130 | | Mohamed Safwat | 33 | EGY | 108 | +2 | -2 | | |
| 418 | 35 | | Jiří Veselý | 31 | CZE | 106 | | |
| 421 | 164 | | Riccardo Bonadio | 31 | ITA | 105 | | |
| 442 | NMR
(457) | | Christoph Negritu | 30 | GER | 98 | +15 | +6 | | Calif. Dobrich 2 G
Derrota Dobrich 2 R16 | |
| 446 | 290 | | Shintaro Imai | 31 | JPN | 96 | +2 | +1 | Sapporo 2 CF | Derrota Sapporo R16 | Derrota Sapporo R16
Sapporo 2 CF | |
| 447 | 65 | | Evgeny Donskoy | 34 | RUS | 96 | -53 | -26 | | Calif. Cantón 2 G
Derrota Cantón 2 R32 | |
| 450 | 221 | | Hernán Casanova | 30 | ARG | 94 | +2 | | |
| 453 | 442 | | Harrison Adams | 30 | USA | 93 | +3 | | | Derrota Calif. Las Vegas R1 | |
| 455 | 232 | | José Pereira | 33 | BRA | 92 | -8 | -4 | | |
| 463 | 211 | | Evgeny Karlovskiy | 30 | RUS | 91 | +3 | +1 | | Derrota Taskent 2 R16 | |
| 466 | 28 | | João Sousa | 35 | POR | 90 | -2 | | |
| 468 | 152 | | Luke Saville | 30 | AUS | 90 | -25 | -7 | | Derrota Las Vegas R32 | |
| 483 | 70 | | Guido Andreozzi | 33 | ARG | 83 | -48 | -16 | | |
Publicidad |
| 495 | 124 | | Federico Gaio | 32 | ITA | 81 | | |
| 503 | 393 | | Pawel Juszczak | 30 | POL | 79 | -23 | -6 | | |
| 506 | 478 | | Yurii Dzhavakian | 31 | UKR | 79 | +23 | +7 | | Derrota Nakhon Si Thammarat 9 SF
Derrota Denpasar 2 R32 | |
| 533 | 76 | | Salvatore Caruso | 31 | ITA | 71 | +1 | +1 | | Derrota Bolonia 2 R16 | |
| 537 | 84 | | Alessandro Giannessi | 34 | ITA | 71 | +7 | +3 | | Derrota Calif. Szczecin R2 | |
| 548 | 273 | | Peter Heller | 32 | GER | 67 | -2 | | |
| 553 | 134 | | Steven Diez | 33 | CAN | 66 | +6 | +2 | | Calif. Rennes G
Derrota Rennes R32 | |
| 554 | 273 | | Elmar Ejupovic | 31 | GER | 66 | -3 | | |
| 558 | 93 | | Andrej Martin | 34 | SVK | 65 | -5 | | | Derrota Calif. Szczecin R1 | |
| 562 | 114 | | Jason Jung | 35 | TWN | 64 | -4 | | |
| 568 | 341 | | Wilson Leite | 32 | BRA | 63 | -11 | -2 | | |
| 571 | 150 | | João Domingues | 30 | POR | 62 | -17 | -3 | | |
| 580 | 74 | | Mirza Bašić | 33 | BIH | 59 | -1 | | |
| 583 | 329 | | Nick Chappell | 31 | USA | 59 | +1 | +1 | | Derrota Nakhon Si Thammarat 9 R16
Derrota Calif. Cantón 2 R1 | |
| 590 | 56 | | Marius Copil | 33 | ROU | 57 | -4 | | |
| 591 | 236 | | JiSung Nam | 31 | KOR | 57 | -4 | | |
| 618 | 21 | | Steve Johnson | 34 | USA | 50 | -3 | | |
| 622 | 303 | | Arthur Weber | 32 | FRA | 50 | +17 | +2 | | Derrota Hong Kong 4 CF | |
| 627 | 26 | | Filip Krajinović | 32 | SRB | 49 | | |
| 638 | 68 | | Gerald Melzer | 34 | AUT | 48 | -3 | | |
| 643 | 36 | | Oscar Otte | 31 | GER | 47 | +3 | | |
| 649 | 161 | | Filip Peliwo | 30 | POL | 47 | +4 | | Pozzuoli CF | Derrota Bolonia 2 R32 | Derrota Bolonia 2 R32
Pozzuoli CF | |
| 656 | 25 | | Vasek Pospisil | 34 | CAN | 45 | +8 | | |
| 669 | 198 | | Christian Harrison | 30 | USA | 43 | -53 | -7 | | |
| 675 | 469 | | Juan Sebastián Gómez | 32 | COL | 42 | -7 | -2 | | |
| 680 | 62 | | Kenny de Schepper | 37 | FRA | 42 | +52 | +7 | | Derrota Bagneres De Bigorre CF
Calif. Rennes G
Derrota Rennes R32 | |
| 709 | 285 | | Matías Franco Descotte | 30 | ARG | 38 | -49 | -8 | | Derrota Córdoba 2 R32 | |
| 711 | 97 | | Kimmer Coppejans | 30 | BEL | 37 | +25 | +3 | | Calif. Dobrich 2 G
Derrota Dobrich 2 R32 | |
| 759 | 453 | | Arklon Huertas Del Pino Cordova | 30 | PER | 30 | +2 | | |
| 761 | 188 | | Miljan Zekić | 36 | SRB | 30 | -12 | -2 | Kursumlijska Banja 19 R16 | Derrota Pirot 2 R32 | Derrota Pirot 2 R32
Kursumlijska Banja 19 R16 | |
| 777 | 3 | | Marin Čilić | 35 | CRO | 28 | +1 | | |
| 787 | 754 | | Maik Steiner | 30 | GER | 28 | -12 | -1 | | |
| 799 | 160 | | Gonzalo Lama | 31 | CHI | 26 | +5 | | |
| 813 | 63 | | Jason Kubler | 31 | AUS | 25 | +3 | | |
| 814 | 78 | | Blaž Rola | 33 | SLO | 25 | +4 | | |
| 815 | 182 | | Maximilian Neuchrist | 33 | AUT | 25 | +4 | | |
| 835 | 279 | | Rubin Statham | 37 | NZL | 23 | +2 | | |
| 836 | 206 | | Daniel Cox | 33 | GBR | 23 | +2 | | |
| 837 | 216 | | David Pérez Sanz | 30 | ESP | 23 | +2 | | |
| 852 | 660 | | Michael Zhu | 32 | USA | 22 | +7 | | |
| 853 | 39 | | Peter Gojowczyk | 35 | GER | 21 | +7 | | |
| 855 | 193 | | Zhe Li | 37 | CHN | 21 | -6 | -1 | | |
| 872 | 225 | | Karim Mohamed Maamoun | 33 | EGY | 20 | +4 | | |
| 889 | 430 | | Sidharth Rawat | 31 | IND | 19 | +38 | +2 | | Derrota Taskent 2 SF
Derrota Denpasar 2 CF | |
| 895 | 641 | | Toby Martin | 31 | GBR | 19 | +5 | | | Derrota Pozzuoli R16 | |
| 902 | 532 | | Maciej Rajski | 33 | POL | 18 | -31 | -2 | | |
| 923 | 466 | | Jea Moon Lee | 31 | KOR | 17 | +5 | | |
| 936 | 363 | | Oscar Jose Gutierrez | 31 | BRA | 17 | +3 | | | Derrota Monastir 37 R16 | |
| 940 | 33 | | Federico Delbonis | 33 | ARG | 16 | +4 | | |
| 945 | 84 | | Henri Laaksonen | 32 | SUI | 16 | +3 | | |
Publicidad |
| 968 | 165 | | Aldin Šetkić | 36 | BIH | 15 | +3 | | | Derrota Calif. Denpasar R1
Derrota Singapur R16 | |
|
