ATP Rankings, Biggest Drop (6 months)
The change is calculated over the past 6 months.
Dec 1, 2025
| # | Player | Var/Week | Var/Jan. 1 | Var/6M | |
| 1661 | Gonzalo Oliveira(VEN) | 821 | 1416 | 1366 | Graph |
| 2206 | Alessandro Bellifemine(ITA) | 19 | 1323 | 1300 | Graph |
| 2078 | Yshai Oliel(ISR) | 24 | 1558 | 1272 | Graph |
| 2016 | Liam Gavrielides(GER) | 20 | 1409 | 1241 | Graph |
| 1924 | Mikhail Gorokhov(RUS) | 22 | 1185 | 1185 | Graph |
| 1689 | Ernesto Escobedo(MEX) | 558 | 1244 | 1141 | Graph |
| 2198 | Leo Deflandre(FRA) | 702 | 1127 | 1141 | Graph |
| 2159 | Yuvan Nandal(IND) | 2 | 1143 | 1085 | Graph |
| 2184 | Pavel Verbin(RUS) | 19 | 1154 | 1037 | Graph |
| 2159 | Valentin Kopeikin(RUS) | 18 | 1049 | 1011 | Graph |
| 1799 | Kane Bonsach Ganley(DEN) | 499 | 1024 | 1005 | Graph |
| 2198 | Kazuma Kawachi(JPN) | 20 | 1041 | 998 | Graph |
| 1924 | Harrison Adams(USA) | 22 | 1384 | 982 | Graph |
| 2159 | Alejandro Arcila(COL) | 18 | 907 | 949 | Graph |
| 1503 | Bogdan Bobrov(RUS) | 573 | 1071 | 933 | Graph |
| 1632 | Mariano Tammaro(ITA) | 3 | 982 | 911 | Graph |
| 1440 | Nicola Kuhn(GER) | 4 | 1087 | 906 | Graph |
| 2203 | Sean Hess(ARG) | 16 | 1168 | 901 | Graph |
| 1826 | Sheng Tang(CHN) | 13 | 955 | 891 | Graph |
| 2126 | Karl Kazuma Lee(USA) | 20 | 870 | 872 | Graph |
| 1413 | Altug Celikbilek(TUR) | 1 | 971 | 868 | Graph |
| 2078 | Calin Teodor Stirbu(ROU) | 24 | 868 | 866 | Graph |
| 1924 | Tim Ruehl(GER) | 72 | 896 | 863 | Graph |
| 2126 | Rafael Kis Balazs(HUN) | 20 | 842 | 852 | Graph |
| 1290 | Maxime Cressy(USA) | 4 | 1046 | 851 | Graph |
| 1596 | Bogdan Pavel(ROU) | 1 | 831 | 844 | Graph |
| 1661 | Alexander Stater(USA) | 380 | 895 | 823 | Graph |
| 2184 | Filip Krolo(GER) | 19 | 819 | 820 | Graph |
| 1924 | Sebastian Gorzny(USA) | 22 | 828 | 817 | Graph |
| 1924 | Lucas Renard(SWE) | 22 | 828 | 817 | Graph |
| 2126 | Antoine Walch(FRA) | 20 | 858 | 814 | Graph |
| 2176 | Yong Joon Park(KOR) | 12 | 791 | 800 | Graph |
| 1768 | Mariano Dedura-Palomero(GER) | 11 | 796 | 782 | Graph |
| 1786 | Luc Fomba(FRA) | 189 | 795 | 772 | Graph |
| 2159 | Julien De Cuyper(FRA) | 18 | 768 | 742 | Graph |
| 2193 | Jayden Court(AUS) | 15 | 815 | 734 | Graph |
| 984 | Gabriel Debru(FRA) | 7 | 731 | 731 | Graph |
| 2126 | Ryan Augusto Dos Santos(BRA) | 20 | 788 | 731 | Graph |
| 1699 | Matteo De Vincentis(ITA) | 2 | 712 | 724 | Graph |
| 1674 | Petar Jovanovic(MNE) | 6 | 740 | 720 | Graph |
| 1611 | Sasa Markovic(SRB) | 9 | 739 | 714 | Graph |
| 1614 | Aliaksandr Liaonenka(BLR) | 3 | 800 | 707 | Graph |
| 930 | Gijs Brouwer(NED) | 6 | 754 | 699 | Graph |
| 1305 | Juan Pablo Paz(ARG) | 93 | 745 | 690 | Graph |
| 1646 | Ulises Blanch(USA) | 3 | 947 | 688 | Graph |
| 1242 | Pawel Juszczak(POL) | 2 | 765 | 683 | Graph |
| 1513 | Guido Andreozzi(ARG) | 5 | 714 | 681 | Graph |
| 1460 | Adam Heinonen(SWE) | 3 | 696 | 674 | Graph |
| 973 | Adrian Andreev(BUL) | 99 | 756 | 672 | Graph |
| 1424 | Timo Legout(FRA) | 1 | 771 | 666 | Graph |
| 1276 | Duarte Vale(POR) | 240 | 783 | 665 | Graph |
| 1639 | Zhenxiong Dong(CHN) | 4 | 650 | 663 | Graph |
| 1197 | Jiri Vesely(CZE) | 856 | 658 | Graph | |
| 1924 | Peter Benjamin Privara(SVK) | 22 | 1119 | 658 | Graph |
| 1200 | Joao Domingues(POR) | 41 | 665 | 653 | Graph |
| 2016 | Jake Van Emburgh(USA) | 38 | 636 | 648 | Graph |
| 1646 | Seita Watanabe(JPN) | 3 | 764 | 646 | Graph |
| 1205 | Hazem Naw(SYR) | 5 | 876 | 638 | Graph |
| 1005 | Alexey Zakharov(RUS) | 9 | 680 | 634 | Graph |
| 1596 | Viktor Jovic(SRB) | 1 | 675 | 634 | Graph |
| 1924 | Patrik Oplustil(CZE) | 72 | 621 | 634 | Graph |
| 1382 | Nick Chappell(USA) | 317 | 801 | 632 | Graph |
| 1786 | Fabien Salle(FRA) | 8 | 1006 | 631 | Graph |
| 2176 | Moritz Hoffmann(GER) | 386 | 539 | 628 | Graph |
| 1823 | Drew Van Orderlain(USA) | 501 | 707 | 625 | Graph |
| 1924 | Lorenzo Esquici(BRA) | 22 | 605 | 615 | Graph |
| 2184 | Carlos Giraldi(ESP) | 19 | 655 | 615 | Graph |
| 2184 | Gabriel Matuszewski(POL) | 19 | 515 | 613 | Graph |
| 1924 | Gabriel Elicha Navas(ESP) | 22 | 693 | 610 | Graph |
| 1611 | Ryotero Matsumura(JPN) | 1 | 655 | 603 | Graph |
| 1033 | Samuel Vincent Ruggeri(ITA) | 33 | 758 | 601 | Graph |
| 1809 | Vesa Ahti(FIN) | 13 | 596 | 601 | Graph |
| 1562 | Illya Beloborodko(UKR) | 4 | 676 | 596 | Graph |
| 1547 | Maciej Rajski(POL) | 7 | 611 | 592 | Graph |
| 1827 | Tomas Lanik(SVK) | 13 | 516 | 592 | Graph |
| 1614 | Aleksa Pisaric(SRB) | 3 | 631 | 587 | Graph |
| 1393 | Vuk Radjenovic(SRB) | 2 | 611 | 586 | Graph |
| 1202 | Elliot Benchetrit(MAR) | 597 | 579 | Graph | |
| 1768 | Luke Simkiss(GBR) | 10 | 574 | 576 | Graph |
| 2078 | Mirko Martinez(SUI) | 24 | 441 | 575 | Graph |
| 2016 | Raghav Jaisinghani(IND) | 38 | 556 | 572 | Graph |
| 1572 | Niccolo Baroni(ITA) | 25 | 650 | 568 | Graph |
| 1646 | Milan Welte(GER) | 3 | 671 | 561 | Graph |
| 1827 | Matias Franco Descotte(ARG) | 13 | 967 | 560 | Graph |
| 1827 | Jean-Christian Morandais(FRA) | 75 | 542 | 555 | Graph |
| 2176 | Daniil Bogatov(RUS) | 19 | 563 | 555 | Graph |
| 1802 | Hernando Jose Escurra Isnardi(PAR) | 12 | 796 | 554 | Graph |
| 1768 | Alessandro Spadola(ITA) | 11 | 444 | 553 | Graph |
| 1786 | Kody Pearson(AUS) | 412 | 637 | 548 | Graph |
| 2016 | Rethin Pranav Senthil Kumar(IND) | 20 | 545 | 542 | Graph |
| 2198 | Andrea Motta(ITA) | 20 | 331 | 541 | Graph |
| 2016 | Thanaphat Boosarawongse(THA) | 20 | 536 | 539 | Graph |
| 2126 | Jan Jermar(CZE) | 15 | 562 | 539 | Graph |
| 1399 | Lasse Poertner(GER) | 543 | 534 | Graph | |
| 1069 | Antoine Cornut-Chauvinc(FRA) | 13 | 457 | 532 | Graph |
| 1287 | Khololwam Montsi(RSA) | 4 | 520 | 531 | Graph |
| 688 | Nicolas Moreno De Alboran(USA) | 1 | 578 | 529 | Graph |
| 1924 | Edoardo Lavagno(ITA) | 22 | 1305 | 526 | Graph |
| 1924 | Fernando Yamacita(BRA) | 22 | 513 | 526 | Graph |
| 1424 | Collin Altamirano(USA) | 81 | 549 | 519 | Graph |
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