ATP Rankings, Biggest Drop (6 months)
The change is calculated over the past 6 months.
Dec 15, 2025
| # | Player | Var/Week | Var/Jan. 1 | Var/6M | |
| 2223 | Alessandro Bellifemine(ITA) | 7 | 1340 | 1305 | Graph |
| 2033 | Liam Gavrielides(GER) | 5 | 1426 | 1239 | Graph |
| 2090 | Yshai Oliel(ISR) | 4 | 1570 | 1230 | Graph |
| 2214 | Leo Deflandre(FRA) | 6 | 1143 | 1161 | Graph |
| 1704 | Ernesto Escobedo(MEX) | 1 | 1259 | 1083 | Graph |
| 2170 | Yuvan Nandal(IND) | 1154 | 1065 | Graph | |
| 2197 | Pavel Verbin(RUS) | 2 | 1167 | 1044 | Graph |
| 1814 | Kane Bonsach Ganley(DEN) | 1 | 1039 | 1021 | Graph |
| 2170 | Valentin Kopeikin(RUS) | 1060 | 1010 | Graph | |
| 1936 | Harrison Adams(USA) | 5 | 1396 | 963 | Graph |
| 2170 | Alejandro Arcila(COL) | 918 | 959 | Graph | |
| 1936 | Mikhail Gorokhov(RUS) | 5 | 1197 | 954 | Graph |
| 2214 | Kazuma Kawachi(JPN) | 6 | 1057 | 923 | Graph |
| 1505 | Bogdan Bobrov(RUS) | 1 | 1073 | 920 | Graph |
| 2219 | Sean Hess(ARG) | 7 | 1184 | 919 | Graph |
| 1645 | Mariano Tammaro(ITA) | 6 | 995 | 906 | Graph |
| 1841 | Sheng Tang(CHN) | 970 | 901 | Graph | |
| 2135 | Karl Kazuma Lee(USA) | 1 | 879 | 890 | Graph |
| 2090 | Calin Teodor Stirbu(ROU) | 4 | 880 | 878 | Graph |
| 2135 | Rafael Kis Balazs(HUN) | 1 | 851 | 871 | Graph |
| 1311 | Maxime Cressy(USA) | 6 | 1067 | 859 | Graph |
| 2197 | Filip Krolo(GER) | 2 | 832 | 845 | Graph |
| 1606 | Bogdan Pavel(ROU) | 1 | 841 | 843 | Graph |
| 2188 | Nicolas Buitrago(COL) | 373 | 763 | 833 | Graph |
| 1936 | Lucas Renard(SWE) | 5 | 840 | 830 | Graph |
| 2135 | Antoine Walch(FRA) | 1 | 867 | 822 | Graph |
| 1936 | Tim Ruehl(GER) | 5 | 908 | 817 | Graph |
| 1778 | Mariano Dedura-Palomero(GER) | 3 | 806 | 799 | Graph |
| 2090 | Andres Gabriel Ciurletti(ITA) | 4 | 709 | 786 | Graph |
| 2197 | Carlos Giraldi(ESP) | 2 | 668 | 768 | Graph |
| 2170 | Julien De Cuyper(FRA) | 779 | 766 | Graph | |
| 1936 | Sebastian Gorzny(USA) | 5 | 840 | 764 | Graph |
| 1688 | Petar Jovanovic(MNE) | 2 | 754 | 745 | Graph |
| 989 | Gabriel Debru(FRA) | 1 | 736 | 731 | Graph |
| 2197 | Yong Joon Park(KOR) | 2 | 812 | 724 | Graph |
| 1627 | Aliaksandr Liaonenka(BLR) | 1 | 813 | 722 | Graph |
| 1323 | Juan Pablo Paz(ARG) | 5 | 763 | 714 | Graph |
| 1714 | Matteo De Vincentis(ITA) | 1 | 727 | 712 | Graph |
| 2033 | Ignacio Carou(URU) | 5 | 988 | 712 | Graph |
| 1434 | Timo Legout(FRA) | 5 | 781 | 704 | Graph |
| 1936 | Gabriel Elicha Navas(ESP) | 5 | 705 | 682 | Graph |
| 1261 | Hazem Naw(SYR) | 7 | 932 | 679 | Graph |
| 1823 | Vesa Ahti(FIN) | 610 | 679 | Graph | |
| 1774 | Niels Lootsma(NED) | 173 | 868 | 677 | Graph |
| 1307 | Pawel Juszczak(POL) | 3 | 830 | 672 | Graph |
| 1212 | Jiri Vesely(CZE) | 3 | 871 | 668 | Graph |
| 1658 | Seita Watanabe(JPN) | 776 | 666 | Graph | |
| 1399 | Nick Chappell(USA) | 5 | 818 | 662 | Graph |
| 979 | Adrian Andreev(BUL) | 3 | 762 | 650 | Graph |
| 1778 | Luc Fomba(FRA) | 3 | 787 | 647 | Graph |
| 1627 | Aristarkh Safonov(RUS) | 1 | 656 | 646 | Graph |
| 2188 | Moritz Hoffmann(GER) | 3 | 551 | 641 | Graph |
| 1805 | Fabien Salle(FRA) | 1025 | 640 | Graph | |
| 937 | Gijs Brouwer(NED) | 1 | 761 | 639 | Graph |
| 1295 | Duarte Vale(POR) | 7 | 802 | 637 | Graph |
| 1517 | Guido Andreozzi(ARG) | 1 | 718 | 629 | Graph |
| 1215 | Joao Domingues(POR) | 3 | 680 | 628 | Graph |
| 1936 | Lorenzo Esquici(BRA) | 5 | 617 | 628 | Graph |
| 1627 | Aleksa Pisaric(SRB) | 1 | 644 | 626 | Graph |
| 1653 | Zhenxiong Dong(CHN) | 1 | 664 | 613 | Graph |
| 1936 | Peter Benjamin Privara(SVK) | 5 | 1131 | 610 | Graph |
| 1842 | Tomas Lanik(SVK) | 531 | 609 | Graph | |
| 1625 | Ryotero Matsumura(JPN) | 1 | 669 | 607 | Graph |
| 1551 | Maciej Rajski(POL) | 1 | 615 | 606 | Graph |
| 1014 | Alexey Zakharov(RUS) | 1 | 689 | 603 | Graph |
| 1551 | Stefan Latinovic(SRB) | 1 | 571 | 602 | Graph |
| 2033 | Jake Van Emburgh(USA) | 5 | 653 | 594 | Graph |
| 2090 | Mirko Martinez(SUI) | 4 | 453 | 588 | Graph |
| 1842 | Matias Franco Descotte(ARG) | 982 | 587 | Graph | |
| 1805 | Alessandro Spadola(ITA) | 24 | 481 | 586 | Graph |
| 1606 | Viktor Jovic(SRB) | 1 | 685 | 583 | Graph |
| 1778 | Luke Simkiss(GBR) | 3 | 584 | 582 | Graph |
| 1658 | Milan Welte(GER) | 683 | 571 | Graph | |
| 1407 | Vuk Radjenovic(SRB) | 5 | 625 | 568 | Graph |
| 2033 | Rethin Pranav Senthil Kumar(IND) | 5 | 562 | 560 | Graph |
| 1837 | Rocco Valente(ARG) | 193 | 475 | 559 | Graph |
| 2033 | Thanaphat Boosarawongse(THA) | 5 | 553 | 556 | Graph |
| 2135 | Jan Jermar(CZE) | 1 | 571 | 551 | Graph |
| 1838 | Drew Van Orderlain(USA) | 722 | 549 | Graph | |
| 1002 | Samuel Vincent Ruggeri(ITA) | 17 | 727 | 547 | Graph |
| 1936 | Edoardo Lavagno(ITA) | 5 | 1317 | 547 | Graph |
| 1936 | Fernando Yamacita(BRA) | 5 | 525 | 547 | Graph |
| 2033 | Lautaro Correa Beguerie(ARG) | 5 | 396 | 547 | Graph |
| 1306 | Khololwam Montsi(RSA) | 6 | 539 | 546 | Graph |
| 1778 | Kody Pearson(AUS) | 3 | 629 | 546 | Graph |
| 2188 | Daniil Bogatov(RUS) | 3 | 575 | 544 | Graph |
| 1936 | Nathan Trouve(FRA) | 5 | 605 | 542 | Graph |
| 1217 | Elliot Benchetrit(MAR) | 3 | 612 | 538 | Graph |
| 696 | Nicolas Moreno De Alboran(USA) | 2 | 586 | 537 | Graph |
| 2188 | Jim Hendrikx(NED) | 18 | 591 | 535 | Graph |
| 1567 | Illya Beloborodko(UKR) | 1 | 681 | 531 | Graph |
| 1157 | Ramkumar Ramanathan(IND) | 3 | 762 | 530 | Graph |
| 2090 | Matic Kriznik(SLO) | 4 | 929 | 530 | Graph |
| 1734 | Yeong-Seok Jeong(KOR) | 4 | 438 | 529 | Graph |
| 2214 | Andrea Motta(ITA) | 6 | 347 | 528 | Graph |
| 1067 | Antoine Cornut-Chauvinc(FRA) | 4 | 455 | 527 | Graph |
| 1816 | Hernando Jose Escurra Isnardi(PAR) | 1 | 810 | 524 | Graph |
| 1755 | Seungmin Park(KOR) | 4 | 554 | 518 | Graph |
| 1651 | Issei Okamura(JPN) | 466 | 513 | Graph | |
| 2197 | Krittin Koaykul(THA) | 2 | 497 | 511 | Graph |
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