Boys Rankings, Biggest Drop (6 Months)
The change is calculated over the past 6 months.
May 20, 2013
| # | Player | Var/Week | Var/Jan. 1 | Var/6M | |
| 1795 | Samuel Sutton(GBR) | 4 | 1193 | 1105 | Graph |
| 1098 | Albert Alcaraz Ivorra(ESP) | 3 | 1076 | 1061 | Graph |
| 1727 | Eyal Cohen(ISR) | 3 | 1169 | 976 | Graph |
| 1795 | Baptiste Daubigney(FRA) | 4 | 1109 | 871 | Graph |
| 1680 | Ali Mekouar(MAR) | 4 | 1035 | 806 | Graph |
| 1205 | Calvin Hemery(FRA) | 880 | 779 | Graph | |
| 1513 | Djordje Djokovic(SRB) | 6 | 962 | 771 | Graph |
| 1210 | Tommaso Evangelisti(ITA) | 866 | 753 | Graph | |
| 1727 | Marco Di Prima(ITA) | 3 | 970 | 710 | Graph |
| 943 | Robert Dula(CRO) | 247 | 744 | 674 | Graph |
| 1795 | Axel Holm(SWE) | 4 | 945 | 670 | Graph |
| 1727 | Su Hao Zhong(CHN) | 220 | 930 | 660 | Graph |
| 1569 | Nikita Zverkov(RUS) | 5 | 731 | 646 | Graph |
| 1468 | Pengyu Zhang(CHN) | 448 | 854 | 637 | Graph |
| 1432 | Maksim Yorsh(BLR) | 5 | 829 | 615 | Graph |
| 1372 | Wen-Po Tseng(TPE) | 2 | 661 | 582 | Graph |
| 940 | James Elliott(GBR) | 2 | 660 | 568 | Graph |
| 1261 | Sung Min Han(KOR) | 737 | 563 | Graph | |
| 1727 | Artur Culicovschi(ROU) | 3 | 826 | 555 | Graph |
| 1680 | George Goldhoff(USA) | 4 | 814 | 532 | Graph |
| 1680 | Vladimir Filip(ROU) | 4 | 813 | 530 | Graph |
| 912 | Nicholas C. Crystal(USA) | 3 | 600 | 522 | Graph |
| 1680 | Kai Lemke(GER) | 4 | 805 | 520 | Graph |
| 916 | Singekrawee Wattanakul(THA) | 253 | 519 | 488 | Graph |
| 734 | Nicholas Horton(AUS) | 1 | 549 | 482 | Graph |
| 1795 | Aria Harajchi(SUI) | 4 | 800 | 482 | Graph |
| 836 | Carlos Benito Hergueta(ESP) | 4 | 528 | 479 | Graph |
| 1468 | Alejandro Daniel Castillo Gamarra(PER) | 5 | 725 | 468 | Graph |
| 814 | Giorgi Javakhishvili(GEO) | 168 | 535 | 443 | Graph |
| 1107 | Paul C. Oosterbaan(USA) | 3 | 608 | 443 | Graph |
| 1118 | Oscar Forsell(SWE) | 2 | 602 | 433 | Graph |
| 1902 | Alistair Hobson(GBR) | 4 | 340 | 418 | Graph |
| 1459 | Franco Moral(CHI) | 5 | 686 | 413 | Graph |
| 1146 | Elvyn Nguyen(FRA) | 2 | 579 | 385 | Graph |
| 1451 | Alvaro Daniel Riveros(CRC) | 5 | 649 | 381 | Graph |
| 997 | Jelle Sels(NED) | 3 | 536 | 380 | Graph |
| 622 | Tom Hill(GBR) | 5 | 386 | 372 | Graph |
| 1297 | Karl Enander(SWE) | 1 | 606 | 368 | Graph |
| 1102 | Evgeny Tyurnev(RUS) | 3 | 555 | 365 | Graph |
| 1727 | Oussama Aziz(MAR) | 3 | 702 | 365 | Graph |
| 1727 | Yi-Ting Lu(TPE) | 3 | 367 | 359 | Graph |
| 1372 | Nicholas Alexander Reyes(USA) | 268 | 619 | 357 | Graph |
| 1028 | Akhmed Djamal Mukhamed(UZB) | 520 | 356 | Graph | |
| 1902 | Jan Pehnec(CRO) | 4 | 734 | 346 | Graph |
| 1680 | Daniel Tamir(ISR) | 4 | 669 | 342 | Graph |
| 1680 | Joe Woolley(GBR) | 4 | 712 | 342 | Graph |
| 481 | Patrick Ciorcila(ROU) | 3 | 380 | 338 | Graph |
| 1468 | Stefan Rhodes(GBR) | 5 | 269 | 330 | Graph |
| 1171 | Andrei Piakutska(BLR) | 1 | 472 | 328 | Graph |
| 1451 | Dominik Domazet(AUT) | 5 | 600 | 324 | Graph |
| 510 | Abdelkader Benabdellah(MAR) | 4 | 376 | 318 | Graph |
| 1227 | Robert Herrera(ESP) | 552 | 316 | Graph | |
| 747 | Ugo Santomenna(FRA) | 2 | 417 | 311 | Graph |
| 1025 | Hyunsoo Ahn(KOR) | 214 | 298 | Graph | |
| 574 | Kevin Jack Carpenter(MEX) | 6 | 370 | 297 | Graph |
| 698 | Vincent Thierry Schneider(GER) | 4 | 393 | 295 | Graph |
| 608 | Suraj R Prabodh(IND) | 6 | 94 | 291 | Graph |
| 1513 | Gregory Garcia(USA) | 6 | 583 | 290 | Graph |
| 502 | Botic Van De Zandschulp(NED) | 4 | 343 | 288 | Graph |
| 548 | Christopher Pearce(GBR) | 5 | 358 | 288 | Graph |
| 654 | Maxim Kravtsov(RUS) | 4 | 347 | 277 | Graph |
| 1492 | Shau-Po Yin(TPE) | 5 | 330 | 272 | Graph |
| 1680 | Ruben Alberts(RSA) | 4 | 617 | 269 | Graph |
| 488 | Zhizhen Zhang(CHN) | 3 | 322 | 265 | Graph |
| 382 | Jacob Grills(AUS) | 7 | 298 | 258 | Graph |
| 820 | Romai Ugarte(CHI) | 4 | 395 | 255 | Graph |
| 1727 | Olle Thestrup(SWE) | 3 | 617 | 254 | Graph |
| 1492 | Jesse Flores(CAN) | 5 | 653 | 248 | Graph |
| 770 | Vladimir Korolev(RUS) | 4 | 335 | 247 | Graph |
| 1536 | Kazuki Toyoshima(JPN) | 5 | 561 | 243 | Graph |
| 1264 | Jingqi Wang(CHN) | 501 | 239 | Graph | |
| 344 | Alexandre Favrot(FRA) | 278 | 238 | Graph | |
| 432 | Goncalo Loureiro(POR) | 6 | 287 | 233 | Graph |
| 995 | Viktor Prokopov(UKR) | 3 | 427 | 233 | Graph |
| 1210 | Augustas Radziukynas(LTU) | 484 | 230 | Graph | |
| 1150 | Will Kneale(AUS) | 2 | 459 | 221 | Graph |
| 1324 | Drazen Vuko(CRO) | 496 | 220 | Graph | |
| 1372 | Adam Gage-Brown(NZL) | 2 | 501 | 218 | Graph |
| 464 | Arkadijs Slobodkins(LAT) | 4 | 283 | 216 | Graph |
| 967 | Filip Obucina(CAN) | 3 | 407 | 215 | Graph |
| 316 | Luka Ilic(SRB) | 2 | 246 | 207 | Graph |
| 611 | Zhicheng Zhu(CHN) | 107 | 301 | 202 | Graph |
| 598 | Ivan Divkovic(CRO) | 9 | 298 | 200 | Graph |
| 483 | Matthew Tanza(AUS) | 3 | 268 | 196 | Graph |
| 1106 | Andras Szekely(ROU) | 3 | 432 | 196 | Graph |
| 326 | Krittin Koaykul(THA) | 2 | 238 | 195 | Graph |
| 1264 | Shoma Saito(JPN) | 457 | 189 | Graph | |
| 1584 | Edgar Diaz(PUR) | 5 | 534 | 188 | Graph |
| 339 | Fedor Andrienko(RUS) | 107 | 231 | 187 | Graph |
| 1569 | Chan Hwi Shin(KOR) | 5 | 159 | 187 | Graph |
| 792 | Akbar Rahman(TJK) | 1 | 244 | 186 | Graph |
| 1297 | Harry Busby(GBR) | 1 | 449 | 176 | Graph |
| 1237 | Minguk Cho(KOR) | 443 | 174 | Graph | |
| 697 | Paul Cayre(FRA) | 4 | 220 | 173 | Graph |
| 891 | Keisuke Numajiri(JPN) | 4 | 356 | 172 | Graph |
| 916 | Andrei Stefan Apostol(ROU) | 3 | 361 | 171 | Graph |
| 1727 | Ryan Brough(GBR) | 3 | 559 | 171 | Graph |
| 940 | Nikolas Walterscheid-Tukic(GER) | 2 | 367 | 170 | Graph |
| 1297 | Vladislav Soloviev(RUS) | 1 | 299 | 170 | Graph |
| 1902 | Ilya Koshcheyev(RUS) | 4 | 529 | 167 | Graph |












