ATP Rankings, Biggest Drop (Week)
The change is calculated from week to week.
Dec 9, 2019
| # | Player | Var/Week | Var/Jan. 1 | Var/6M | |
| 1821 | Igor Sao Thiago(BRA) | 746 | 1143 | 1139 | Graph |
| 1670 | Mate Zsiga(HUN) | 422 | 992 | 988 | Graph |
| 1935 | Ivan Marrero Curbelo(ESP) | 363 | 1257 | 1253 | Graph |
| 1821 | Bartosz Wojnar(POL) | 315 | 1143 | 1139 | Graph |
| 1759 | Vasile-Alexandru Ghilea(ROU) | 281 | 1081 | 1077 | Graph |
| 1557 | Skyler Butts(HKG) | 269 | 879 | 875 | Graph |
| 1532 | Patrick Foley(GBR) | 252 | 854 | 850 | Graph |
| 1382 | Jatin Dahiya(IND) | 234 | 704 | 700 | Graph |
| 1474 | Jiri Jenicek(CZE) | 212 | 796 | 792 | Graph |
| 1453 | Samm Butler(GBR) | 196 | 775 | 771 | Graph |
| 1235 | Kunal Anand(IND) | 172 | 557 | 553 | Graph |
| 1104 | Filip Duda(CZE) | 161 | 426 | 422 | Graph |
| 1567 | Esteban Bruna(CHI) | 158 | 889 | 885 | Graph |
| 1567 | Alessandro Ceppellini(ITA) | 158 | 889 | 885 | Graph |
| 1547 | Finn Bass(GBR) | 146 | 869 | 865 | Graph |
| 1289 | Jose Pereira(BRA) | 133 | 625 | 632 | Graph |
| 837 | Toby Martin(GBR) | 130 | 159 | 155 | Graph |
| 1246 | Jordi Munoz-Abreu(VEN) | 119 | 568 | 564 | Graph |
| 1474 | Franco Capalbo(ARG) | 115 | 796 | 792 | Graph |
| 1474 | Antonin Stepanek(CZE) | 115 | 796 | 792 | Graph |
| 933 | Edris Fetisleam(ROU) | 109 | 255 | 251 | Graph |
| 895 | Jacob Dunbar(USA) | 101 | 217 | 213 | Graph |
| 1418 | Nicolaas Scholtz(RSA) | 95 | 878 | 736 | Graph |
| 1370 | Jordan Parker(USA) | 92 | 692 | 688 | Graph |
| 1759 | Berk Ilkel(TUR) | 88 | 1081 | 1077 | Graph |
| 1759 | Fletcher Scott(USA) | 88 | 1081 | 1077 | Graph |
| 1759 | Eduard Vlasceanu(ROU) | 88 | 1081 | 1077 | Graph |
| 1670 | Tuur Heuvinck(BEL) | 88 | 992 | 988 | Graph |
| 1670 | Arthur Weber(FRA) | 88 | 992 | 988 | Graph |
| 1670 | Jing Long Weng(NED) | 88 | 992 | 988 | Graph |
| 944 | Moez Echargui(TUN) | 82 | 311 | 350 | Graph |
| 999 | Aaron Schmid(SUI) | 73 | 321 | 317 | Graph |
| 996 | Samuel Brosset(FRA) | 73 | 318 | 314 | Graph |
| 1309 | Dante Gennaro(ITA) | 69 | 631 | 627 | Graph |
| 1311 | Diego Matos(BRA) | 67 | 633 | 629 | Graph |
| 752 | Connor Farren(USA) | 67 | 74 | 70 | Graph |
| 1260 | Tyler Lu(USA) | 64 | 582 | 578 | Graph |
| 720 | Leny Mitjana(FRA) | 64 | 42 | 38 | Graph |
| 1263 | Darko Bojanovic(BIH) | 63 | 585 | 581 | Graph |
| 1263 | Baker Newman(BAH) | 63 | 585 | 581 | Graph |
| 1271 | Lorenzo Brunetti(ITA) | 61 | 593 | 589 | Graph |
| 1821 | Mohamad Gomaa(EGY) | 60 | 1143 | 1139 | Graph |
| 1821 | Edoardo Graziani(ITA) | 60 | 1143 | 1139 | Graph |
| 1225 | Anton Chekhov(RUS) | 60 | 547 | 543 | Graph |
| 878 | Vladimir Korolev(RUS) | 60 | 200 | 196 | Graph |
| 1149 | Dalibor Svrcina(CZE) | 59 | 471 | 467 | Graph |
| 687 | Michal Konecny(CZE) | 58 | 9 | 5 | Graph |
| 1172 | Jody Maginley(ANT) | 55 | 494 | 490 | Graph |
| 851 | Simon Yitbarek(SWE) | 54 | 173 | 188 | Graph |
| 1170 | Niklas Johansson(SWE) | 53 | 492 | 488 | Graph |
| 1158 | Remy Bertola(SUI) | 52 | 480 | 476 | Graph |
| 832 | Michel Vernier(CHI) | 49 | 154 | 150 | Graph |
| 1086 | Luca Staeheli(SUI) | 48 | 408 | 404 | Graph |
| 1200 | Milen Ianakiev(GER) | 47 | 522 | 518 | Graph |
| 569 | Youssef Hossam(EGY) | 47 | 163 | 162 | Graph |
| 1196 | Yeong-Seok Jeong(KOR) | 46 | 518 | 514 | Graph |
| 750 | Luke Johnson(GBR) | 45 | 72 | 68 | Graph |
| 1866 | Facundo Arias Bisso(ARG) | 42 | 1188 | 1184 | Graph |
| 388 | Michael Geerts(BEL) | 41 | 218 | 222 | Graph |
| 672 | Robin Stanek(CZE) | 40 | 6 | 10 | Graph |
| 1020 | Lucas Hellfritsch(GER) | 36 | 342 | 338 | Graph |
| 457 | Andres Artunedo Martinavarro(ESP) | 35 | 40 | 58 | Graph |
| 339 | Skander Mansouri(TUN) | 35 | 251 | 104 | Graph |
| 649 | Jaroslav Pospisil(CZE) | 34 | 29 | 33 | Graph |
| 651 | Jose Olivares(DOM) | 33 | 27 | 31 | Graph |
| 892 | Vadym Ursu(UKR) | 31 | 214 | 210 | Graph |
| 959 | Cameron Green(AUS) | 30 | 281 | 277 | Graph |
| 856 | Gabriel Alejandro Hidalgo(ARG) | 28 | 178 | 174 | Graph |
| 802 | Ondrej Krstev(CZE) | 27 | 124 | 120 | Graph |
| 859 | Maciej Rajski(POL) | 25 | 181 | 177 | Graph |
| 596 | Alexis Gautier(FRA) | 25 | 82 | 86 | Graph |
| 428 | Evan Furness(FRA) | 23 | 38 | 75 | Graph |
| 355 | Baptiste Crepatte(FRA) | 23 | 242 | 15 | Graph |
| 456 | Mathieu Perchicot(FRA) | 21 | 222 | 226 | Graph |
| 922 | Alex Blumenberg(BRA) | 19 | 244 | 240 | Graph |
| 905 | Aziz Ouakaa(TUN) | 19 | 227 | 223 | Graph |
| 653 | Giorgio Ricca(ITA) | 19 | 25 | 29 | Graph |
| 654 | Alexander Igoshin(RUS) | 18 | 24 | 28 | Graph |
| 730 | Maksim Tikhomirov(USA) | 17 | 52 | 48 | Graph |
| 438 | Ronald Slobodchikov(RUS) | 17 | 240 | 244 | Graph |
| 1911 | Besir Durguti(MKD) | 16 | 1233 | 1229 | Graph |
| 1911 | Arvid Nordquist(SWE) | 16 | 1233 | 1229 | Graph |
| 645 | Dejan Katic(SRB) | 14 | 33 | 37 | Graph |
| 783 | Sebastian Prechtel(GER) | 13 | 105 | 101 | Graph |
| 614 | Fermin Tenti(ARG) | 13 | 64 | 68 | Graph |
| 593 | Christian Langmo(USA) | 13 | 85 | 89 | Graph |
| 289 | Aslan Karatsev(RUS) | 13 | 196 | 57 | Graph |
| 1395 | Sheil Kotecha(KEN) | 11 | 717 | 713 | Graph |
| 1380 | Xavier Gabarro(ESP) | 11 | 702 | 698 | Graph |
| 520 | David Pichler(AUT) | 11 | 158 | 152 | Graph |
| 505 | Matias Zukas(ARG) | 11 | 173 | 177 | Graph |
| 530 | Nick Chappell(USA) | 10 | 90 | 106 | Graph |
| 1547 | Gleb Blekher(CAN) | 9 | 869 | 865 | Graph |
| 1547 | Vladimir Filip(ROU) | 9 | 869 | 865 | Graph |
| 1105 | Matthew Mendez(USA) | 9 | 427 | 423 | Graph |
| 766 | Juan Bautista Otegui(ARG) | 9 | 88 | 84 | Graph |
| 717 | Shalva Dzhanashiya(RUS) | 9 | 39 | 35 | Graph |
| 1532 | Adrian Exposito(ESP) | 8 | 854 | 850 | Graph |
| 1035 | Mirko Martinez(SUI) | 8 | 357 | 353 | Graph |
| 736 | Marco Miceli(ITA) | 8 | 58 | 54 | Graph |
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