| 1 | HP | | Novak Djoković | 36 | SRB | 9990 | | -45 | | |
| 10 | 3 | | Grigor Dimitrov | 32 | BUL | 3640 | | |
| 20 | 17 | | Adrian Mannarino | 35 | FRA | 1875 | | |
| 27 | 21 | | Jan Lennard Struff | 33 | GER | 1428 | +1 | +40 | München VF  | | 1478 | 1628 |
| 35 | 32 | | Jordan Thompson | 30 | AUS | 1240 | -2 | +5 | | Niederl. Barcelona AF | |
| 40 | 6 | | Gaël Monfils | 37 | FRA | 1142 | -3 | | |
| 47 | 14 | | Aslan Karatsev | 30 | RUS | 1041 | -2 | -32 | | |
| 51 | 44 | | Marcos Giron | 30 | USA | 995 | -3 | -35 | | |
| 56 | 1 | | Andy Murray | 36 | GBR | 910 | | |
| 57 | 45 | | Yannick Hanfmann | 32 | GER | 899 | +4 | +5 | | Niederl. München AF
(R32 ) | |
Anzeige |
| 64 | 23 | | Dušan Lajović | 33 | SRB | 846 | -5 | -50 | Barcelona HF
(VF ) | | 976 | 1146 |
| 67 | 49 | | Roberto Carballés Baena | 31 | ESP | 821 | +5 | +50 | | Niederl. Barcelona AF | |
| 68 | 21 | | Daniel Evans | 33 | GBR | 816 | -19 | -180 | | Niederl. Barcelona R64 | |
| 71 | 31 | | Márton Fucsovics | 32 | HUN | 792 | +11 | +80 | Bukarest HF
(VF ) | | 857 | 942 |
| 83 | 49 | | Federico Coria | 32 | ARG | 720 | | +9 | | Niederl. Bukarest AF | |
| 85 | 58 | | Taro Daniel | 31 | JPN | 717 | | +15 | | Niederl. München AF | |
| 86 | 9 | | Roberto Bautista Agut | 36 | ESP | 708 | -2 | +5 | | Niederl. Barcelona AF | |
| 87 | 3 | | Stan Wawrinka | 39 | SUI | 697 | -1 | | | Niederl. Bukarest R32 | |
| 90 | 48 | | Constant Lestienne | 31 | FRA | 658 | +1 | | |
| 94 | 9 | | Fabio Fognini | 36 | ITA | 650 | +1 | +8 | | Niederl. Oeiras 3 AF | |
| 100 | 7 | | David Goffin | 33 | BEL | 612 | | -9 | | Niederl. Bukarest R32 | |
| 103 | 17 | | Albert Ramos Viñolas | 36 | ESP | 590 | +5 | | | Niederl. Barcelona R64 | |
| 106 | 49 | | Grégoire Barrère | 30 | FRA | 575 | +22 | +93 | Bukarest HF
(AF ) | Qualif. Bukarest S | Qualif. Bukarest S
Bukarest HF
(AF ) | 640 | 725 |
| 108 | 3 | | Dominic Thiem | 30 | AUT | 562 | -3 | -39 | | Niederl. München R32 | |
| 111 | 46 | | James Duckworth | 32 | AUS | 559 | -7 | -43 | | Niederl. Gwangju R32 | |
| 115 | 7 | | Richard Gasquet | 37 | FRA | 545 | -3 | -10 | | |
| 128 | 39 | | Mikhail Kukushkin | 36 | KAZ | 476 | +4 | | |
| 132 | 39 | | Radu Albot | 34 | MDA | 465 | +7 | +6 | | Qualif. Bukarest S
Niederl. Bukarest AF | |
| 135 | 55 | | Facundo Bagnis | 34 | ARG | 460 | +2 | | | Niederl. Qualif. Barcelona R1 | |
| 140 | 18 | | Benoît Paire | 34 | FRA | 451 | +4 | | |
| 142 | 8 | | Diego Schwartzman | 31 | ARG | 449 | | -4 | | Qualif. Barcelona S
Niederl. Barcelona R64 | |
| 143 | 36 | | Pierre Hugues Herbert | 33 | FRA | 447 | +5 | | | Niederl. Qualif. Barcelona R1 | |
| 145 | 23 | | Damir Džumhur | 31 | BIH | 440 | -19 | -45 | | Niederl. Qualif. Bukarest R1 | |
| 149 | 93 | | Liam Broady | 30 | GBR | 423 | | -6 | | |
| 161 | 53 | | Denis Kudla | 31 | USA | 389 | +2 | | | Niederl. Tallahassee R32 | |
| 163 | 80 | | Jozef Kovalík | 31 | SVK | 386 | -8 | -30 | | Niederl. Oeiras 3 R32 | |
| 166 | 78 | | Yasutaka Uchiyama | 31 | JPN | 369 | +1 | | |
| 167 | 112 | | Marco Trungelliti | 34 | ARG | 366 | +30 | +56 | | Qualif. Barcelona S
Niederl. Barcelona AF | |
| 173 | 64 | | Hugo Dellien | 30 | BOL | 344 | +5 | +2 | | Niederl. Qualif. Barcelona R2 | |
| 184 | 176 | | Denis Yevseyev | 30 | KAZ | 333 | +1 | +1 | | Niederl. Qualif. Barcelona R2 | |
| 188 | 63 | | Jason Kubler | 30 | AUS | 326 | -14 | -20 | | |
| 191 | 142 | | Joris De Loore | 30 | BEL | 323 | | | | Niederl. Oeiras 3 R32 | |
| 196 | 60 | | Stefano Travaglia | 32 | ITA | 308 | +2 | | |
| 199 | 3 | | Milos Raonic | 33 | CAN | 305 | | |
| 205 | 85 | | Dennis Novak | 30 | AUT | 298 | +12 | +16 | | Niederl. Oeiras 3 VF | |
| 208 | 187 | | Oriol Roca Batalla | 30 | ESP | 296 | +5 | +8 | | Niederl. Qualif. Barcelona R2 | |
| 209 | 160 | | Alexander Ritschard | 30 | SUI | 295 | -14 | -20 | | Niederl. Tallahassee VF | |
| 213 | 203 | | Jules Marie | 32 | FRA | 289 | -2 | | | Niederl. Gwangju R32 | |
| 220 | 108 | | Franco Agamenone | 31 | ITA | 275 | -6 | -8 | | Niederl. Oeiras 3 AF | |
| 226 | 10 | | Lucas Pouille | 30 | FRA | 263 | -1 | | | Niederl. Qualif. Bukarest R2 | |
Anzeige |
| 236 | 135 | | Antoine Escoffier | 32 | FRA | 252 | -14 | -16 | | Niederl. Gwangju R32 | |
| 239 | 49 | | Illya Marchenko | 36 | UKR | 243 | | | | Niederl. Gwangju R32 | |
| 243 | 125 | | Alex Bolt | 31 | AUS | 239 | +1 | +6 | | Niederl. Gwangju AF | |
| 246 | 20 | | Guido Pella | 33 | ARG | 235 | -4 | | |
| 249 | 97 | | Kimmer Coppejans | 30 | BEL | 232 | -17 | -25 | | |
| 253 | 124 | | Federico Gaio | 32 | ITA | 230 | -6 | | |
| 255 | 17 | | Bernard Tomic | 31 | AUS | 230 | -6 | | | Niederl. Acapulco R32 | |
| 258 | 21 | | Steve Johnson | 34 | USA | 227 | -4 | | |
| 259 | 41 | | Tennys Sandgren | 32 | USA | 227 | +5 | +6 | | Niederl. Tallahassee AF | |
| 264 | 159 | | Dimitar Kuzmanov | 30 | BUL | 223 | -13 | -6 | | |
| 267 | 135 | | Mitchell Krueger | 30 | USA | 222 | +10 | +15 | Tallahassee HF | | 244 | 275 |
| 269 | 114 | | Jason Jung | 34 | TWN | 217 | +2 | | |
| 273 | 140 | | Mathias Bourgue | 30 | FRA | 210 | +2 | | | Niederl. Santa Margherita 3 R32 | |
| 277 | 78 | | Renzo Olivo | 32 | ARG | 206 | +10 | +8 | | Niederl. San Miguel de Tucuman VF | |
| 282 | 35 | | Jiří Veselý | 30 | CZE | 201 | -1 | | |
| 284 | 181 | | Tristan Lamasine | 31 | FRA | 199 | | | | Niederl. Qualif. Oeiras 3 R2 | |
| 286 | 70 | | Guido Andreozzi | 32 | ARG | 198 | | |
| 287 | 16 | | Marco Cecchinato | 31 | ITA | 197 | +1 | | |
| 291 | 152 | | Luke Saville | 30 | AUS | 193 | -1 | | | Qualif. Gwangju S
Niederl. Gwangju R32 | |
| 296 | 28 | | João Sousa | 35 | POR | 189 | | |
| 299 | 40 | | Ilya Ivashka | 30 | BLR | 186 | +1 | | |
| 302 | 177 | | Andrea Collarini | 32 | ARG | 180 | +10 | +7 | San Miguel de Tucuman HF | | 191 | 216 |
| 303 | 273 | | Sebastian Fanselow | 32 | GER | 180 | +2 | | | Niederl. Acapulco R32 | |
| 305 | 284 | | Pedro Sakamoto | 30 | BRA | 178 | -6 | -9 | | Niederl. Qualif. San Miguel de Tucuman R1 | |
| 307 | 8 | | John Isner | 38 | USA | 175 | +1 | | |
| 311 | 164 | | Riccardo Bonadio | 30 | ITA | 173 | -5 | -6 | | |
| 315 | 84 | | Alessandro Giannessi | 33 | ITA | 167 | -12 | -16 | | Niederl. Qualif. München R1 | |
| 319 | 65 | | Evgeny Donskoy | 33 | RUS | 161 | +5 | -3 | | |
| 324 | 127 | | Lorenzo Giustino | 32 | ITA | 160 | -9 | -10 | | |
| 329 | 50 | | Ričardas Berankis | 33 | LTU | 157 | +42 | +22 | Gwangju HF | | 179 | 210 |
| 331 | 271 | | Moez Echargui | 31 | TUN | 157 | -15 | -12 | | Qualif. Gwangju S
Niederl. Gwangju R32 | |
| 332 | 65 | | Egor Gerasimov | 31 | BLR | 156 | +5 | +2 | | Niederl. Qualif. Gwangju R2
Niederl. Gwangju R32 | |
| 334 | 143 | | Hiroki Moriya | 33 | JPN | 155 | +1 | | | Niederl. Qualif. Gwangju R1 | |
| 339 | 200 | | Yan Bai | 34 | CHN | 153 | +1 | | |
| 354 | 33 | | Federico Delbonis | 33 | ARG | 144 | -3 | | |
| 355 | 221 | | Hernán Casanova | 30 | ARG | 144 | +29 | +14 | San Miguel de Tucuman HF | | 155 | 180 |
| 357 | 130 | | Mohamed Safwat | 33 | EGY | 144 | +49 | +24 | | Scharm asch-Schaich 11 S | |
| 358 | 4 | | Kei Nishikori | 34 | JPN | 143 | -5 | | |
| 367 | 56 | | Marius Copil | 33 | ROU | 136 | -7 | -4 | | Niederl. Qualif. Bukarest R1 | |
| 371 | 76 | | Salvatore Caruso | 31 | ITA | 135 | -10 | -5 | | |
| 378 | 57 | | Gastão Elias | 33 | POR | 131 | +20 | +8 | | Niederl. Oeiras 3 AF | |
| 384 | 314 | | Benjamin Lock | 31 | ZIM | 130 | +6 | +1 | | Niederl. Qualif. Acapulco R2 | |
| 390 | 36 | | Oscar Otte | 30 | GER | 127 | -42 | -20 | | |
| 395 | 303 | | Arthur Weber | 31 | FRA | 126 | -2 | -1 | | Niederl. Qualif. Oeiras 3 R1 | |
| 397 | 211 | | Roberto Cid Subervi | 30 | DOM | 126 | -1 | | |
| 406 | 127 | | Facundo Mena | 31 | ARG | 120 | -5 | | Santiago de Chile HF | | |
| 414 | 134 | | Steven Diez | 33 | CAN | 117 | -57 | -25 | | |
| 430 | 39 | | Peter Gojowczyk | 34 | GER | 105 | -1 | | |
| 438 | 329 | | Nick Chappell | 31 | USA | 103 | +5 | +2 | | Niederl. Qualif. Acapulco R2 | |
| 452 | 78 | | Blaž Rola | 33 | SLO | 96 | +1 | | |
Anzeige |
| 459 | 161 | | Filip Peliwo | 30 | POL | 93 | -1 | -1 | | Niederl. Monastir 15 AF
Niederl. Monastir 16 AF | |
| 460 | 206 | | Matija Pecotić | 34 | CRO | 92 | +1 | | |
| 464 | 207 | | Daniel Dutra da Silva | 35 | BRA | 91 | +10 | +4 | | Niederl. San Miguel de Tucuman AF | |
| 468 | 234 | | Maxime Chazal | 30 | FRA | 90 | -5 | -2 | Dubrovnik HF | | |
| 478 | NHP
(479) | | Yurii Dzhavakian | 30 | UKR | 86 | +1 | | | Niederl. Scharm asch-Schaich 11 AF | |
| 493 | 26 | | Filip Krajinović | 32 | SRB | 81 | +2 | | |
| 494 | 68 | | Gerald Melzer | 33 | AUT | 81 | +69 | +16 | | Qualif. Tallahassee S
Niederl. Tallahassee VF | |
| 497 | 206 | | Daniel Cox | 33 | GBR | 80 | +1 | | |
| 499 | 80 | | Norbert Gombos | 33 | SVK | 79 | +2 | | |
| 512 | 1 | | Rafael Nadal | 37 | ESP | 75 | +132 | +25 | | Niederl. Barcelona R32 | |
| 513 | 193 | | Zhe Li | 37 | CHN | 75 | +3 | | |
| 522 | 160 | | Gonzalo Lama | 30 | CHI | 73 | +6 | | |
| 539 | 16 | | Nikoloz Basilashvili | 32 | GEO | 69 | +7 | | |
| 540 | 273 | | Peter Heller | 31 | GER | 69 | +20 | +3 | | Niederl. Hammamet 6 VF | |
| 543 | 106 | | Darian King | 31 | BAR | 68 | +5 | | |
| 549 | 273 | | Elmar Ejupovic | 31 | GER | 68 | +5 | | | Niederl. Qualif. Acapulco R1 | |
| 552 | 136 | | Alexey Vatutin | 31 | RUS | 67 | +5 | | |
| 555 | 371 | | Karue Sell | 30 | BRA | 66 | +27 | +5 | | Qualif. Acapulco S
Niederl. Acapulco R32 | |
| 557 | 62 | | Kenny de Schepper | 36 | FRA | 66 | -7 | -2 | | Niederl. Azay Le Rideau VF | |
| 563 | 466 | | Jea Moon Lee | 30 | KOR | 65 | +1 | | | Niederl. Gwangju R32 | |
| 580 | 290 | | Shintaro Imai | 30 | JPN | 61 | +1 | | |
| 593 | 341 | | Wilson Leite | 32 | BRA | 60 | -18 | -3 | | |
| 600 | 78 | | Nicolás Kicker | 31 | ARG | 58 | -4 | | |
| 607 | 466 | | Christoph Negritu | 30 | GER | 57 | -3 | | | Niederl. Antalya 14 AF | |
| 614 | 90 | | Emilio Gómez | 32 | ECU | 55 | -96 | -20 | | |
| 615 | 393 | | Pawel Juszczak | 30 | POL | 55 | +50 | +8 | | Niederl. Hammamet 6 HF
Niederl. Hammamet 7 VF | |
| 618 | 188 | | Miljan Zekić | 35 | SRB | 54 | | |
| 623 | 5 | | Kevin Anderson | 37 | RSA | 53 | -2 | | |
| 625 | 25 | | Vasek Pospisil | 33 | CAN | 53 | -2 | | |
| 633 | 232 | | José Pereira | 33 | BRA | 52 | -39 | -7 | | Niederl. San Miguel de Tucuman R32 | |
| 638 | 259 | | Shuichi Sekiguchi | 32 | JPN | 51 | -3 | | |
| 660 | 84 | | Henri Laaksonen | 32 | SUI | 48 | -2 | | |
| 663 | 279 | | Rubin Statham | 36 | NZL | 48 | +5 | +1 | | Niederl. Qualif. Acapulco R2 | |
| 672 | 12 | | Feliciano López | 42 | ESP | 45 | +3 | | |
| 674 | 236 | | JiSung Nam | 30 | KOR | 45 | +34 | +6 | | Niederl. Gwangju AF | |
| 688 | 50 | | Juan Ignacio Lóndero | 30 | ARG | 43 | -1 | | |
| 690 | 225 | | Karim Mohamed Maamoun | 33 | EGY | 43 | -1 | | Qualif. Scharm asch-Schaich 11 R2 | | |
| 691 | 197 | | Jeremy Jahn | 34 | GER | 43 | | |
| 702 | 40 | | Thiemo de Bakker | 35 | NED | 41 | -2 | | |
| 711 | 74 | | Mirza Bašić | 32 | BIH | 39 | -2 | | Dubrovnik HF | | |
| 720 | 182 | | Maximilian Neuchrist | 32 | AUT | 37 | -36 | -7 | | |
| 765 | 60 | | Tatsuma Ito | 35 | JPN | 31 | +1 | | |
| 769 | 25 | | Jérémy Chardy | 37 | FRA | 30 | +1 | | |
| 775 | 7 | | Fernando Verdasco | 40 | ESP | 29 | +4 | | |
| 798 | 430 | | Sidharth Rawat | 30 | IND | 27 | +3 | | |
| 818 | 150 | | João Domingues | 30 | POR | 26 | +3 | | | Niederl. Qualif. Oeiras 3 R1 | |
| 831 | 19 | | Pablo Cuevas | 38 | URU | 24 | +2 | | |
| 839 | 24 | | Martin Kližan | 34 | SVK | 23 | +4 | | Telde 2 HF | | |
| 849 | 660 | | Michael Zhu | 31 | USA | 23 | -7 | -1 | | |
| 859 | 523 | | Mark Whitehouse | 30 | GBR | 22 | +2 | | |
Anzeige |
| 868 | 115 | | Mats Moraing | 31 | GER | 21 | -1 | | |
| 880 | 663 | | Calum Puttergill | 30 | AUS | 20 | -1 | | |
| 898 | 328 | | Arjun Kadhe | 30 | IND | 19 | -1 | | |
| 904 | 165 | | Aldin Šetkić | 36 | BIH | 19 | | | | Niederl. Dubrovnik R32 | |
| 922 | 363 | | Oscar Jose Gutierrez | 30 | BRA | 18 | +32 | +2 | | Niederl. Telde VF
Niederl. Telde 2 AF | |
| 926 | 99 | | Bjorn Fratangelo | 30 | USA | 17 | +1 | | |
| 928 | 153 | | Andrea Arnaboldi | 36 | ITA | 17 | | |
| 936 | 33 | | John Millman | 34 | AUS | 16 | +4 | | |
| 974 | 26 | | Lukáš Rosol | 38 | CZE | 14 | +2 | | |
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