ATP Rankings, Biggest Drop (Week)
The change is calculated from week to week.
Sep 20, 2021
| # | Player | Var/Week | Var/Jan. 1 | Var/6M | |
| 1825 | Karol Drzewiecki(POL) | 497 | 558 | 531 | Graph |
| 2114 | Martin Dimitrov(BUL) | 397 | 527 | 499 | Graph |
| 2049 | Andrea Borroni(ITA) | 380 | 462 | 434 | Graph |
| 1992 | Michael Gloeckler(AUT) | 357 | 446 | 421 | Graph |
| 1992 | Radu Mihai Papoe(ROU) | 323 | 615 | 688 | Graph |
| 1920 | Alexandre Rotsaert(USA) | 318 | 401 | 379 | Graph |
| 1920 | Roland Stuurman(NED) | 318 | 401 | 379 | Graph |
| 1542 | James Trotter(JPN) | 278 | 378 | 357 | Graph |
| 1435 | Karlo Kranic(CRO) | 273 | 315 | 295 | Graph |
| 1045 | Sergio Gutierrez-Ferrol(ESP) | 223 | 298 | 276 | Graph |
| 1530 | Tim Heger(GER) | 208 | 281 | 256 | Graph |
| 1459 | Leonardo Telles(BRA) | 176 | 248 | 223 | Graph |
| 1634 | Lorenzo Brunetti(ITA) | 173 | 234 | 211 | Graph |
| 1634 | Jordan Parker(USA) | 173 | 234 | 211 | Graph |
| 1462 | Petru-Alexandru Luncanu(ROU) | 172 | 273 | 252 | Graph |
| 1285 | Justin Boulais(CAN) | 165 | 301 | 285 | Graph |
| 962 | Ivan Davydov(RUS) | 162 | 254 | 233 | Graph |
| 1436 | Tom Fawcett(USA) | 158 | 262 | 242 | Graph |
| 1601 | Benjamin Niv(BUL) | 154 | 216 | 192 | Graph |
| 1261 | Daniel Munoz De La Nava(ESP) | 150 | 221 | 206 | Graph |
| 1577 | Agustin Maria Gascia(ARG) | 139 | 192 | 168 | Graph |
| 892 | Axel Geller(ARG) | 135 | 257 | 228 | Graph |
| 1358 | Giovanni Calvano(ITA) | 133 | 173 | 154 | Graph |
| 899 | Dimitriy Voronin(RUS) | 133 | 248 | 223 | Graph |
| 880 | Cezar Cretu(ROU) | 125 | 50 | 64 | Graph |
| 1305 | Li-Wei Tan(TPE) | 119 | 157 | 138 | Graph |
| 1526 | Juan Pablo Canas Garcia(ESP) | 116 | 192 | 168 | Graph |
| 1316 | Mikalai Haliak(BLR) | 113 | 314 | 343 | Graph |
| 1507 | Anatoliy Petrenko(UKR) | 109 | 53 | 29 | Graph |
| 690 | Wilson Leite(BRA) | 105 | 165 | 153 | Graph |
| 1480 | Cing-Yang Meng(TPE) | 103 | 240 | 220 | Graph |
| 1491 | Sam Taylor(SWE) | 101 | 175 | 153 | Graph |
| 1462 | Marco De Rossi(SMR) | 97 | 62 | 39 | Graph |
| 941 | Nicolo Turchetti(ITA) | 92 | 157 | 139 | Graph |
| 1002 | Anas Fattar(MAR) | 90 | 157 | 137 | Graph |
| 1920 | Kokoro Isomura(JPN) | 89 | 80 | 124 | Graph |
| 1019 | Matvey Khomentovskiy(RUS) | 86 | 154 | 135 | Graph |
| 1436 | Kareem Al Allaf(SYR) | 85 | 155 | 131 | Graph |
| 830 | Benjamin Sigouin(CAN) | 79 | 203 | 171 | Graph |
| 1388 | Valentin Vanta(ROU) | 78 | 247 | 228 | Graph |
| 1103 | David Volfson(CAN) | 75 | 235 | 214 | Graph |
| 693 | Bruno Santanna(BRA) | 72 | 240 | 218 | Graph |
| 571 | Vaclav Safranek(CZE) | 72 | 229 | 219 | Graph |
| 1992 | Loic Cloes(BEL) | 71 | 528 | 504 | Graph |
| 1992 | Sean Hess(ARG) | 71 | 8 | 52 | Graph |
| 1992 | Rayane Oumaouche(FRA) | 71 | 77 | 36 | Graph |
| 652 | Gabriel Petit(FRA) | 69 | 123 | 116 | Graph |
| 1825 | Daniel Ibragimov(RUS) | 67 | 175 | 148 | Graph |
| 1825 | Yannik Reuter(BEL) | 67 | 336 | 314 | Graph |
| 1825 | Henrique Rocha(POR) | 67 | 175 | 219 | Graph |
| 1003 | Ryan Shane(USA) | 67 | 354 | 329 | Graph |
| 1358 | Colin Van Beem(NED) | 65 | 304 | 287 | Graph |
| 765 | Alexander Igoshin(RUS) | 58 | 139 | 108 | Graph |
| 1250 | Joffrey De Schepper(FRA) | 57 | 97 | 76 | Graph |
| 958 | Calin Manda(ROU) | 57 | 124 | 106 | Graph |
| 488 | Dan Added(FRA) | 57 | 92 | 86 | Graph |
| 688 | Juan Ignacio Galarza(ARG) | 56 | 122 | 106 | Graph |
| 1255 | Karlo Cubelic(GER) | 55 | 157 | 134 | Graph |
| 2049 | Felipe Santamaria(COL) | 53 | 134 | 93 | Graph |
| 1201 | Sagadat Ayap(KAZ) | 51 | 134 | 112 | Graph |
| 281 | Peter Polansky(CAN) | 49 | 63 | 55 | Graph |
| 1175 | Bart Van Den Berg(NED) | 48 | 181 | 167 | Graph |
| 1192 | Timur Khabibulin(KAZ) | 47 | 99 | 145 | Graph |
| 537 | Thomas Laurent(FRA) | 47 | 49 | 38 | Graph |
| 1207 | Gabriel Diallo(CAN) | 46 | 666 | 706 | Graph |
| 1179 | Kalman L. Boyd(USA) | 46 | 182 | 169 | Graph |
| 966 | Vladimir Korolev(RUS) | 46 | 81 | 97 | Graph |
| 1223 | Pascal Meis(GER) | 45 | 262 | 244 | Graph |
| 1176 | Zachary Eisinga(NED) | 45 | 259 | 245 | Graph |
| 1038 | Luca Prevosto(ITA) | 44 | 186 | 168 | Graph |
| 996 | Taha Baadi(CAN) | 44 | 80 | 66 | Graph |
| 527 | Laurent Lokoli(FRA) | 44 | 152 | 132 | Graph |
| 1138 | Franco Feitt(ARG) | 42 | 169 | 149 | Graph |
| 1034 | Matvey Minin(RUS) | 42 | 81 | 67 | Graph |
| 596 | Roy Smith(USA) | 42 | 40 | 54 | Graph |
| 1106 | Dhruv Sunish(IND) | 41 | 110 | 95 | Graph |
| 382 | Jisung Nam(KOR) | 41 | 112 | 97 | Graph |
| 1111 | Manfred Fellin(ITA) | 40 | 10 | 11 | Graph |
| 1074 | Diego Augusto Barreto Sanchez(ESP) | 40 | 17 | 4 | Graph |
| 1066 | Yaraslav Shyla(BLR) | 40 | 78 | 130 | Graph |
| 153 | Jo-Wilfried Tsonga(FRA) | 40 | 91 | 85 | Graph |
| 874 | Aziz Kijametovic(BIH) | 38 | 71 | 60 | Graph |
| 873 | Gregoire Jacq(FRA) | 38 | 147 | 124 | Graph |
| 1668 | Alexander Hoogmartens(BEL) | 37 | 332 | 376 | Graph |
| 875 | Cannon Kingsley(USA) | 37 | 43 | 59 | Graph |
| 370 | Jelle Sels(NED) | 36 | 32 | 23 | Graph |
| 809 | Fabien Reboul(FRA) | 35 | 142 | 122 | Graph |
| 474 | Nicholas David Ionel(ROU) | 34 | 60 | 67 | Graph |
| 838 | Dragos Dima(ROU) | 33 | 69 | 95 | Graph |
| 738 | Petr Nouza(CZE) | 32 | 129 | 103 | Graph |
| 792 | Kyle Seelig(USA) | 31 | 219 | 231 | Graph |
| 734 | Giacomo Dambrosi(ITA) | 31 | 187 | 128 | Graph |
| 926 | Joao Monteiro(POR) | 30 | 64 | 45 | Graph |
| 263 | Paolo Lorenzi(ITA) | 29 | 117 | 106 | Graph |
| 666 | Davide Galoppini(ITA) | 28 | 13 | 8 | Graph |
| 209 | Danilo Petrovic(SRB) | 28 | 67 | 49 | Graph |
| 528 | Evan King(USA) | 25 | 103 | 82 | Graph |
| 2078 | Lautaro Agustin Falabella(ARG) | 24 | 277 | 240 | Graph |
| 2078 | Andres Urrea(COL) | 24 | 667 | 642 | Graph |
| 1570 | Lucio Carnevalle(ARG) | 24 | 430 | 474 | Graph |
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