ATP Rankings, Biggest Drop (Week)
The change is calculated from week to week.
Oct 21, 2019
| # | Player | Var/Week | Var/Jan. 1 | Var/6M | |
| 1967 | Bastien Presuhn(GER) | 746 | 1289 | 1279 | Graph |
| 1539 | Ronnie Schneider(USA) | 660 | 1071 | 1073 | Graph |
| 1321 | Germain Gigounon(BEL) | 580 | 802 | 770 | Graph |
| 1709 | Vincent Stouff(FRA) | 462 | 1031 | 1021 | Graph |
| 1933 | Tim Van Der Horst(NED) | 394 | 1255 | 1245 | Graph |
| 1949 | Jirat Navasirisomboon(THA) | 390 | 1271 | 1261 | Graph |
| 1902 | Joshua Luck(RSA) | 363 | 1224 | 1214 | Graph |
| 1361 | Marc Giner(ESP) | 357 | 732 | 724 | Graph |
| 1237 | Christian Seraphim(GER) | 300 | 689 | 691 | Graph |
| 1602 | Flemming Peters(GER) | 295 | 924 | 914 | Graph |
| 1607 | Denis Matsukevich(RUS) | 278 | 929 | 919 | Graph |
| 1556 | Jonathan Binding(GBR) | 276 | 878 | 868 | Graph |
| 1709 | Jorge Blanco Guadalupe(ESP) | 238 | 1031 | 1021 | Graph |
| 1709 | Alexandar Lazov(BUL) | 238 | 1226 | 1229 | Graph |
| 1709 | Cosmin Ontica(ROU) | 238 | 1031 | 1021 | Graph |
| 1709 | Rodrigo Sanchez(PER) | 238 | 1031 | 1021 | Graph |
| 1709 | Vullnet Tashi(SUI) | 238 | 1031 | 1021 | Graph |
| 1466 | Sam Philp(CAN) | 213 | 788 | 778 | Graph |
| 1004 | Rigele Te(CHN) | 205 | 596 | 592 | Graph |
| 1291 | Franco Capalbo(ARG) | 204 | 613 | 603 | Graph |
| 1586 | Roman Boychuk(UKR) | 172 | 908 | 898 | Graph |
| 1574 | Thanapet Chanta(THA) | 167 | 896 | 886 | Graph |
| 903 | Ajeet Rai(NZL) | 159 | 225 | 215 | Graph |
| 1559 | Pedro Araujo(POR) | 158 | 881 | 871 | Graph |
| 1179 | Benjamin Pietri(FRA) | 153 | 501 | 491 | Graph |
| 1028 | Neil Pauffley(GBR) | 146 | 350 | 340 | Graph |
| 1539 | Hugo Largo(ESP) | 145 | 861 | 851 | Graph |
| 1045 | Peter Goldsteiner(AUT) | 144 | 367 | 357 | Graph |
| 1310 | Shahar Elbaz(ISR) | 138 | 632 | 622 | Graph |
| 948 | Vadym Ursu(UKR) | 127 | 270 | 260 | Graph |
| 1166 | Karunuday Singh(IND) | 125 | 488 | 478 | Graph |
| 1200 | Samm Butler(GBR) | 121 | 522 | 512 | Graph |
| 1013 | Tom Fawcett(USA) | 119 | 571 | 542 | Graph |
| 1434 | Fabio Coelho(POR) | 118 | 756 | 746 | Graph |
| 1404 | Shamael Chaudhry(GBR) | 116 | 726 | 716 | Graph |
| 1398 | Henri Squire(GER) | 112 | 720 | 710 | Graph |
| 1096 | Niki Kaliyanda Poonacha(IND) | 111 | 488 | 481 | Graph |
| 1709 | Alessandro-Damiano Ventre(BRA) | 105 | 1031 | 1021 | Graph |
| 609 | Nicolae Frunza(ROU) | 100 | 38 | 42 | Graph |
| 1014 | Matic Spec(SLO) | 98 | 336 | 326 | Graph |
| 1370 | Len Schouten(NED) | 97 | 692 | 682 | Graph |
| 596 | Jared Hiltzik(USA) | 96 | 240 | 212 | Graph |
| 1364 | Karl Kiur Saar(EST) | 93 | 686 | 676 | Graph |
| 973 | Igor Smilansky(ISR) | 90 | 295 | 285 | Graph |
| 1796 | Adrian Barbu(ROU) | 88 | 1118 | 1108 | Graph |
| 1796 | Mark Tryakshin(UZB) | 88 | 1118 | 1108 | Graph |
| 1104 | Tom Pisane(BEL) | 84 | 426 | 416 | Graph |
| 697 | Dominik Boehler(GER) | 80 | 19 | 9 | Graph |
| 1000 | Omar Salman(BEL) | 75 | 323 | 323 | Graph |
| 654 | Joao Monteiro(POR) | 75 | 252 | 246 | Graph |
| 1298 | Vladislav Melnic(ROU) | 69 | 620 | 610 | Graph |
| 732 | Hiroyasu Ehara(JPN) | 67 | 227 | 44 | Graph |
| 1856 | Tristan Meraut(FRA) | 66 | 1178 | 1168 | Graph |
| 744 | Dragos Nicolae Madaras(SWE) | 66 | 66 | 56 | Graph |
| 644 | Alexis Galarneau(CAN) | 66 | 254 | 253 | Graph |
| 633 | Robert Strombachs(GER) | 65 | 45 | 55 | Graph |
| 844 | Juan Pablo Paz(ARG) | 64 | 166 | 156 | Graph |
| 328 | Gleb Sakharov(FRA) | 64 | 90 | 62 | Graph |
| 1224 | Congsup Congcar(THA) | 63 | 546 | 536 | Graph |
| 1111 | Karlo Cubelic(GER) | 63 | 433 | 423 | Graph |
| 710 | Stephane Robert(FRA) | 63 | 515 | 432 | Graph |
| 1286 | Patrik Hartmeier(SUI) | 62 | 608 | 598 | Graph |
| 1173 | Piotr Grynkowski(POL) | 62 | 495 | 485 | Graph |
| 901 | Tyler Lu(USA) | 62 | 223 | 213 | Graph |
| 196 | Ernests Gulbis(LAT) | 62 | 101 | 118 | Graph |
| 1272 | Tukhula Jacobs(NAM) | 61 | 594 | 584 | Graph |
| 1259 | Alexis Klegou(BEN) | 61 | 581 | 571 | Graph |
| 1158 | Jakob Johansson-Holm(SWE) | 61 | 480 | 470 | Graph |
| 1119 | Mikhail Korovin(RUS) | 61 | 441 | 431 | Graph |
| 1116 | Mike Urbanija(SLO) | 60 | 438 | 428 | Graph |
| 600 | Colin Sinclair(NMI) | 60 | 21 | 118 | Graph |
| 1109 | Joffrey De Schepper(FRA) | 59 | 431 | 421 | Graph |
| 947 | Pierre Faivre(FRA) | 59 | 269 | 259 | Graph |
| 1207 | Stephan Gerritsen(NED) | 58 | 554 | 543 | Graph |
| 1204 | Michael Look(AUS) | 57 | 540 | 609 | Graph |
| 1129 | Dominik Kellovsky(CZE) | 57 | 451 | 441 | Graph |
| 962 | Patrick Kypson(USA) | 55 | 510 | 377 | Graph |
| 518 | Tom Jomby(FRA) | 55 | 124 | 117 | Graph |
| 463 | Matteo Martineau(FRA) | 55 | 41 | 39 | Graph |
| 351 | Viktor Durasovic(NOR) | 53 | 33 | 18 | Graph |
| 1091 | Wei-De Lin(TPE) | 51 | 413 | 403 | Graph |
| 1024 | Nicolas Santos(BRA) | 50 | 346 | 336 | Graph |
| 474 | Kevin Krawietz(GER) | 49 | 245 | 236 | Graph |
| 212 | Filippo Baldi(ITA) | 49 | 47 | 62 | Graph |
| 1902 | William Grant(USA) | 48 | 1224 | 1214 | Graph |
| 1902 | Toby Kodat(USA) | 48 | 1224 | 1214 | Graph |
| 1902 | Christopher Patzanovsky(GER) | 48 | 1224 | 1214 | Graph |
| 1902 | Saba Purtseladze(GEO) | 48 | 1224 | 1214 | Graph |
| 1902 | Linh Giang Trinh(VIE) | 48 | 1224 | 1214 | Graph |
| 298 | Mirza Basic(BIH) | 48 | 211 | 98 | Graph |
| 492 | Jacopo Berrettini(ITA) | 47 | 1 | 71 | Graph |
| 975 | Marco Brugnerotto(ITA) | 45 | 297 | 287 | Graph |
| 788 | Quentin Folliot(FRA) | 45 | 110 | 100 | Graph |
| 529 | Ben Patael(ISR) | 43 | 18 | 17 | Graph |
| 871 | Albert Roglan(ESP) | 42 | 193 | 183 | Graph |
| 819 | Calum Puttergill(AUS) | 42 | 141 | 131 | Graph |
| 730 | Jaroslav Pospisil(CZE) | 42 | 52 | 42 | Graph |
| 683 | Bogdan Ionut Apostol(ROU) | 42 | 61 | 51 | Graph |
| 607 | Matthew Christopher Romios(AUS) | 42 | 71 | 12 | Graph |
| 551 | David Perez Sanz(ESP) | 41 | 127 | 30 | Graph |
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