| 5 | 1 | | Daniil Medvedev | 30 | RUS | 3820 | | | ATP Finals RR (0 W / 0 L) | | |
| 12 | 1 | | Novak Djoković | 39 | SRB | 2940 | | |
| 24 | 8 | | Karen Khachanov | 30 | RUS | 1980 | | |
| 39 | 21 | | Jan Lennard Struff | 36 | GER | 1296 | -2 | -62 | | |
| 40 | 22 | | Botic van de Zandschulp | 31 | NED | 1280 | | |
| 43 | 6 | | Matteo Berrettini | 30 | ITA | 1223 | | |
| 45 | CH | | Quentin Halys | 30 | FRA | 1214 | | | | Lost in Stockholm R32 | |
| 50 | 21 | | Tallon Griekspoor | 30 | NED | 1075 | -1 | | |
| 52 | 8 | | Cameron Norrie | 31 | GBR | 1045 | +1 | +15 | | Lost in Stockholm R16  | |
| 58 | 24 | | Arthur Rinderknech | 31 | FRA | 920 | | | | Lost in Stockholm R32  | |
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| 61 | 17 | | Adrian Mannarino | 38 | FRA | 898 | | | | Lost in Qual. Stockholm R2 Lost in Stockholm R32 | |
| 67 | 45 | | Yannick Hanfmann | 35 | GER | 835 | | | | Lost in Stockholm R32 | |
| 76 | 10 | | Pablo Carreño Busta | 35 | ESP | 773 | +1 | | |
| 77 | 46 | | James Duckworth | 34 | AUS | 772 | -1 | -2 | Helsinki R32 | Lost in Stockholm R32  | Lost in Stockholm R32  Helsinki R32 | |
| 82 | 45 | | Kamil Majchrzak | 30 | POL | 725 | | |
| 85 | 16 | | Nikoloz Basilashvili | 34 | GEO | 688 | +1 | +7 | Metz R32 | Lost in Qual. Stockholm R2 | Lost in Qual. Stockholm R2 Metz R32 | |
| 88 | 76 | | Marco Trungelliti | 36 | ARG | 670 | | |
| 90 | 23 | | Damir Džumhur | 34 | BIH | 661 | | | | Lost in Qual. Stockholm R1 | |
| 91 | 42 | | Benjamin Bonzi | 30 | FRA | 657 | | | Metz R32 | Lost in Orleans R16  | Lost in Orleans R16  Metz R32 | |
| 95 | 37 | | Marcos Giron | 33 | USA | 638 | -1 | | | Lost in Knoxville R16 | |
| 99 | 3 | | Marin Čilić | 38 | CRO | 613 | -2 | | |
| 107 | 64 | | Hugo Dellien | 33 | BOL | 566 | -1 | | Montevideo R32 | Lost in Lima R32 | Lost in Lima R32 Montevideo R32 | |
| 109 | 21 | | Lorenzo Sonego | 31 | ITA | 539 | +6 | +28 | | Qual. Stockholm W Lost in Stockholm R16  | |
| 111 | 74 | | Jan Choinski | 30 | GBR | 527 | -1 | | |
| 117 | 53 | | Christopher O'Connell | 32 | AUS | 505 | | +6 | Sydney R32 | Lost in Brisbane 3 R16 | Lost in Brisbane 3 R16 Sydney R32 | |
| 123 | 37 | | Sebastian Ofner | 30 | AUT | 491 | -3 | | |
| 134 | 3 | | Grigor Dimitrov | 35 | BUL | 422 | +1 | | |
| 136 | 27 | | Laslo Djere | 31 | SRB | 419 | -3 | -6 | Helsinki R32 | | |
| 137 | 48 | | Aleksandar Vukic | 30 | AUS | 418 | | |
| 146 | 31 | | Márton Fucsovics | 34 | HUN | 400 | -1 | | |
| 157 | 31 | | Zhizhen Zhang | 30 | CHN | 354 | -1 | | Kobe R32 | | |
| 159 | 23 | | Dušan Lajović | 36 | SRB | 353 | -1 | | Metz R32 | Lost in Orleans R32 | Lost in Orleans R32 Metz R32 | |
| 163 | 3 | | Stan Wawrinka | 41 | SUI | 343 | +1 | | |
| 168 | 58 | | Taro Daniel | 33 | JPN | 338 | +4 | +12 | Kobe R32 | Lost in Matsuyama QF | Lost in Matsuyama QF Kobe R32 | |
| 171 | 16 | | Marco Cecchinato | 34 | ITA | 325 | +2 | | | Lost in Lima R32 | |
| 173 | 17 | | Bernard Tomic | 34 | AUS | 322 | +3 | | | Lost in Brisbane 3 QF | |
| 174 | 60 | | Stefano Travaglia | 34 | ITA | 322 | +3 | | Helsinki R32 | | |
| 190 | 101 | | Billy Harris | 31 | GBR | 296 | +37 | +44 | Matsuyama F | | 327 | 327 |
| 192 | 184 | | David Jordá Sanchis | 32 | ESP | 290 | +3 | -3 | Kobe R32 | Lost in Matsuyama R32 | Lost in Matsuyama R32 Kobe R32 | |
| 196 | 60 | | Juan Pablo Varillas | 31 | PER | 288 | +4 | +3 | Montevideo R32 | Lost in Lima R16 | Lost in Lima R16 Montevideo R32 | |
| 197 | 127 | | Facundo Mena | 34 | ARG | 285 | -4 | -11 | | Lost in Lima R32 | |
| 207 | 125 | | Alex Bolt | 33 | AUS | 269 | -36 | -63 | Sydney R32 | Lost in Brisbane 3 QF | Lost in Brisbane 3 QF Sydney R32 | |
| 211 | 111 | | Zdeněk Kolář | 30 | CZE | 267 | -7 | -7 | Montevideo R32 | Lost in Lima R32 | Lost in Lima R32 Montevideo R32 | |
| 220 | 97 | | Kimmer Coppejans | 32 | BEL | 259 | -1 | | Qual. Helsinki R1 | | |
| 226 | 40 | | Ilya Ivashka | 32 | BLR | 254 | -3 | | Helsinki R32 | | |
| 228 | 61 | | Thiago Monteiro | 32 | BRA | 253 | -3 | | | Lost in Lima R32 | |
| 241 | 9 | | Roberto Bautista Agut | 38 | ESP | 233 | -2 | | |
| 248 | 17 | | Cristian Garín | 30 | CHI | 224 | -74 | -100 | | |
| 253 | 36 | | Pierre Hugues Herbert | 35 | FRA | 222 | -3 | | Metz R32 | Lost in Orleans R32  | Lost in Orleans R32  Metz R32 | |
| 259 | 93 | | Liam Broady | 32 | GBR | 219 | -44 | -46 | Kobe R32 | Lost in Matsuyama R32 | Lost in Matsuyama R32 Kobe R32 | |
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| 265 | 37 | | Mackenzie McDonald | 31 | USA | 215 | -3 | | |
| 267 | 49 | | Roberto Carballés Baena | 33 | ESP | 213 | -1 | | |
| 268 | 116 | | Calvin Hémery | 31 | FRA | 213 | +16 | +21 | Qual. Metz R1 | Qual. Orleans W Lost in Orleans QF  | Qual. Orleans W Lost in Orleans QF  Qual. Metz R1 | |
| 278 | 99 | | Alexander Ritschard | 32 | SUI | 199 | +2 | +3 | Qual. Helsinki R1 | Lost in Qual. Orleans R2 | Lost in Qual. Orleans R2 Qual. Helsinki R1 | |
| 286 | 127 | | Lorenzo Giustino | 35 | ITA | 194 | +3 | +4 | Helsinki R32 | Lost in Monastir 1 QF | Lost in Monastir 1 QF Helsinki R32 | |
| 287 | 150 | | Oriol Roca Batalla | 33 | ESP | 193 | -4 | | Qual. Montevideo R2 | Qual. Lima W Lost in Lima R32 | Qual. Lima W Lost in Lima R32 Qual. Montevideo R2 | |
| 289 | 197 | | Fajing Sun | 30 | CHN | 191 | +8 | +6 | Kobe R32 | Lost in Matsuyama R16 | Lost in Matsuyama R16 Kobe R32 | |
| 290 | 121 | | Stefano Napolitano | 31 | ITA | 188 | | |
| 305 | 105 | | Elias Ymer | 30 | SWE | 175 | -51 | -44 | Helsinki R32 | Lost in Stockholm R32  | Lost in Stockholm R32  Helsinki R32 | |
| 309 | 244 | | Lucas Poullain | 30 | FRA | 173 | +7 | +2 | | Lost in Qual. Orleans R2 | |
| 312 | 47 | | Marc-Andrea Hüsler | 30 | SUI | 171 | -12 | -12 | | |
| 328 | 268 | | Gonzalo Villanueva | 31 | ARG | 163 | +3 | | Qual. Montevideo R1 | | |
| 337 | 167 | | Laurent Lokoli | 32 | FRA | 158 | +3 | | |
| 338 | 168 | | Frederico Ferreira Silva | 31 | POR | 158 | -9 | -6 | | |
| 339 | 78 | | Nicolás Kicker | 34 | ARG | 157 | -3 | -2 | Qual. Montevideo R1 | | |
| 343 | 56 | | Daniel Elahi Galán | 30 | COL | 152 | +2 | | |
| 347 | 176 | | Daniel Masur | 32 | GER | 150 | +4 | | |
| 349 | 93 | | Andrej Martin | 37 | SVK | 149 | +3 | | | Lost in San Gregorio Di Catania 2 R16 | |
| 350 | 212 | | Michael Geerts | 31 | BEL | 148 | +6 | +1 | | Lost in Hersonissos 3 R16 | |
| 351 | 134 | | Moez Echargui | 33 | TUN | 148 | +9 | +4 | Qual. Helsinki R1 | Lost in Monastir 1 R16 | Lost in Monastir 1 R16 Qual. Helsinki R1 | |
| 369 | 159 | | Dimitar Kuzmanov | 33 | BUL | 139 | -3 | | |
| 375 | 39 | | Mikhail Kukushkin | 38 | KAZ | 136 | -31 | -16 | | |
| 378 | 108 | | Franco Agamenone | 33 | ITA | 136 | -11 | -3 | | |
| 379 | 80 | | Norbert Gombos | 36 | SVK | 133 | -2 | | | Lost in Qual. Orleans R1 | |
| 396 | 319 | | Christian Langmo | 30 | USA | 127 | +132 | +45 | Brisbane 3 F | Qual. Brisbane 3 W | Qual. Brisbane 3 W Brisbane 3 F | 158 | 158 |
| 410 | 65 | | Thanasi Kokkinakis | 30 | AUS | 118 | +3 | | |
| 421 | 229 | | Marek Gengel | 31 | CZE | 113 | -12 | -6 | | Lost in Sharm El Sheikh 21 SF | |
| 423 | 234 | | Maxime Chazal | 33 | FRA | 113 | +1 | | |
| 426 | 221 | | Hernán Casanova | 32 | ARG | 110 | +3 | | | Lost in Roldan SF | |
| 427 | 95 | | Hugo Grenier | 30 | FRA | 110 | -9 | -7 | Qual. Metz R1 | Qual. Orleans W Lost in Orleans R32  | Qual. Orleans W Lost in Orleans R32  Qual. Metz R1 | |
| 430 | 303 | | Arthur Weber | 34 | FRA | 108 | +3 | | | Lost in Heraklion 14 QF | |
| 440 | 143 | | Hiroki Moriya | 36 | JPN | 105 | +10 | +2 | Qual. Sydney R1 | Qual. Brisbane 3 W Lost in Brisbane 3 R32 | Qual. Brisbane 3 W Lost in Brisbane 3 R32 Qual. Sydney R1 | |
| 443 | 142 | | Ivan Gakhov | 30 | RUS | 103 | +96 | +25 | | Valencia W Lost in Las Palmas De Gran Canaria R16 | |
| 451 | 143 | | Benjamin Hassan | 31 | LBN | 101 | +3 | | Qual. Kobe R1 | Lost in Qual. Matsuyama R1 | Lost in Qual. Matsuyama R1 Qual. Kobe R1 | |
| 459 | 271 | | Pedro Sakamoto | 33 | BRA | 100 | -23 | -8 | Santa Cruz Do Sul F | | |
| 460 | 147 | | Kaichi Uchida | 32 | JPN | 100 | -29 | -10 | Kobe R32 | Lost in Matsuyama QF | Lost in Matsuyama QF Kobe R32 | |
| 469 | 153 | | Denis Yevseyev | 33 | KAZ | 98 | | | Hua Hin F | | |
| 476 | 135 | | Mitchell Krueger | 32 | USA | 95 | +6 | +2 | | Lost in Qual. Knoxville R2 | |
| 481 | 340 | | Colin Sinclair | 31 | NMI | 94 | -2 | | | Lost in Qual. Knoxville R1 | |
| 486 | 177 | | Andrea Collarini | 34 | ARG | 91 | -11 | -4 | | |
| 493 | 155 | | Dmitry Popko | 30 | KAZ | 89 | +2 | | | Lost in Valencia R32 Lost in Antalya 10 SF | |
| 499 | 160 | | Li Tu | 30 | AUS | 87 | +5 | | Sydney R32 | | |
| 506 | 350 | | Vladyslav Orlov | 31 | UKR | 86 | +7 | +1 | | Lost in Qual. Hersonissos 3 R2 | |
| 546 | 78 | | Yasutaka Uchiyama | 34 | JPN | 75 | +2 | | |
| 561 | 150 | | João Domingues | 33 | POR | 72 | -5 | | | Lost in Vale Do Lobo 2 R16 | |
| 562 | 63 | | Jason Kubler | 33 | AUS | 71 | -3 | | Qual. Sydney R1 | | |
| 567 | 39 | | Radu Albot | 37 | MDA | 69 | | |
| 575 | 207 | | Daniel Dutra da Silva | 38 | BRA | 67 | -13 | -4 | | Lost in Santa Cruz Do Sul R32 | |
| 584 | 170 | | Maxime Janvier | 30 | FRA | 66 | +22 | +3 | | Qual. Monastir 1 W Lost in Monastir 1 R32 | |
| 587 | 191 | | Nerman Fatić | 32 | BIH | 65 | -4 | | |
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| 588 | 469 | | Juan Sebastián Gómez | 34 | COL | 65 | -10 | -2 | | Lost in Qual. Lima R2 | |
| 597 | 128 | | Andrea Vavassori | 31 | ITA | 63 | +3 | | |
| 603 | 26 | | Jordan Thompson | 32 | AUS | 62 | +6 | | |
| 607 | 19 | | Hyeon Chung | 30 | KOR | 62 | -34 | -6 | | |
| 613 | 161 | | Filip Peliwo | 32 | POL | 62 | +5 | +1 | | Lost in Maanshan 10 R16 | |
| 633 | 520 | | Conner Huertas del Pino | 30 | PER | 57 | +4 | | |
| 639 | 430 | | Sidharth Rawat | 33 | IND | 57 | +3 | | |
| 640 | 513 | | Kai Wehnelt | 30 | GER | 57 | +5 | | Qual. Helsinki R1 | Lost in Heraklion 13 R32 Lost in Qual. Hersonissos 3 R1 | Lost in Heraklion 13 R32 Lost in Qual. Hersonissos 3 R1 Qual. Helsinki R1 | |
| 642 | 363 | | Oscar Jose Gutierrez | 33 | ESP | 57 | +42 | +7 | | Lost in Salvador F Lost in Santa Cruz Do Sul R32 | |
| 664 | 382 | | Thomas Fancutt | 31 | AUS | 52 | +26 | +4 | Qual. Sydney R1 | Qual. Brisbane 3 W Lost in Brisbane 3 R32 | Qual. Brisbane 3 W Lost in Brisbane 3 R32 Qual. Sydney R1 | |
| 680 | 595 | | S D Prajwal Dev | 30 | IND | 50 | +13 | +2 | Qual. Kobe R1 | Lost in Qual. Matsuyama R2 | Lost in Qual. Matsuyama R2 Qual. Kobe R1 | |
| 681 | 341 | | Wilson Leite | 35 | BRA | 50 | -7 | -1 | | Lost in Santa Cruz Do Sul R32 | |
| 683 | 127 | | Jelle Sels | 31 | NED | 50 | -1 | | |
| 685 | 7 | | David Goffin | 35 | BEL | 49 | +1 | | |
| 687 | 663 | | Benjamin Pietri | 30 | FRA | 49 | +24 | +3 | | Lost in Heraklion 13 R16 Qual. Hersonissos 3 W Lost in Hersonissos 3 R32 | |
| 688 | 450 | | Yurii Dzhavakian | 33 | UKR | 49 | -17 | -3 | Sharm El Sheikh 21 F | | |
| 692 | 316 | | Alberto Barroso Campos | 30 | ESP | 48 | +23 | +3 | | Lost in Valencia QF Lost in Las Palmas De Gran Canaria QF | |
| 703 | 49 | | Federico Coria | 34 | ARG | 46 | +1 | | |
| 707 | 447 | | Kuan Yi Lee | 30 | TWN | 46 | +1 | | |
| 730 | 362 | | Tim Handel | 30 | GER | 43 | +3 | | |
| 737 | 232 | | José Pereira | 35 | BRA | 42 | +3 | | |
| 746 | 724 | | Matt Kuhar | 30 | USA | 41 | +3 | | | Qual. Pembroke 2 W Lost in Pembroke 2 QF Lost in Montreal 2 R32 | |
| 749 | 745 | | Gabriele Maria Noce | 31 | ITA | 41 | +1 | | | Lost in San Gregorio Di Catania R32 | |
| 751 | 16 | | Nicolás Jarry | 31 | CHI | 40 | +39 | +4 | Montevideo R32 | Qual. Lima W Lost in Lima R32 | Qual. Lima W Lost in Lima R32 Montevideo R32 | |
| 753 | 114 | | Gijs Brouwer | 30 | NED | 40 | +1 | | |
| 754 | 375 | | Strong Kirchheimer | 31 | USA | 40 | -12 | -2 | | |
| 759 | 263 | | Christoph Negritu | 32 | GER | 39 | +1 | | |
| 762 | 453 | | Arklon Huertas Del Pino Cordova | 32 | PER | 39 | | | Qual. Montevideo R1 | Lost in Lima R32 | Lost in Lima R32 Qual. Montevideo R1 | |
| 766 | 641 | | Kosuke Ogura | 30 | JPN | 39 | | | Qual. Kobe R1 | Lost in Qual. Matsuyama R2 | Lost in Qual. Matsuyama R2 Qual. Kobe R1 | |
| 782 | 759 | | Jesse Flores | 31 | CRC | 37 | +32 | +3 | | Lost in Guadalajara QF Lost in Zamora SF | |
| 808 | 362 | | Bastián Malla | 30 | CHI | 35 | -3 | | |
| 817 | 479 | | Felix Corwin | 30 | USA | 34 | -4 | | | Lost in Hilton Head Island QF Lost in Naples 4 R16 | |
| 878 | 290 | | Shintaro Imai | 33 | JPN | 28 | +51 | +4 | Qual. Kobe R1 | Qual. Matsuyama W Lost in Matsuyama R32 | Qual. Matsuyama W Lost in Matsuyama R32 Qual. Kobe R1 | |
| 896 | 228 | | Stefan Seifert | 41 | GER | 26 | +6 | | |
| 899 | 13 | | Nick Kyrgios | 31 | AUS | 25 | +5 | | |
| 924 | 352 | | Kris Van Wyk | 30 | RSA | 24 | +25 | +1 | | Qual. Monastir 44 W Lost in Monastir 44 R16 Lost in Monastir 45 R32 | |
| 929 | 236 | | JiSung Nam | 33 | KOR | 23 | -42 | -4 | | |
| 930 | 237 | | Nicolás Barrientos | 39 | COL | 23 | -24 | -2 | Qual. Montevideo R1 | Lost in Qual. Lima R1 | Lost in Qual. Lima R1 Qual. Montevideo R1 | |
| 936 | 74 | | Mirza Bašić | 35 | BIH | 23 | +5 | | |
| 940 | 819 | | Dominik Reček | 31 | CZE | 23 | +4 | | |
| 964 | NCH (988) | | Mohamed Nazim Makhlouf | 30 | ALG | 22 | +34 | +2 | | Lost in Monastir 44 QF Lost in Monastir 45 R16 | |
| 996 | 461 | | Peter Bertran | 30 | DOM | 19 | -58 | -4 | | |
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