Sergey Lipinets, the Kazakhstan boxer, is not listed in the latest monthly rankings, but has previous ranking records, with the latest entry from January 2025 in the Super Lightweight division.
Summary from monthly sanctioning-body lists in our database (not a fight record).
| Division | First entered rankings | Most recently in rankings | Time ranked |
|---|---|---|---|
| Welterweight | March 2019 | March 2021 | 2 years 1 month |
| Super Lightweight | April 2016 | January 2025 | 4 years 3 months |
Time ranked counts distinct months this fighter appears on a rankings list for that division. If they drop out and return later, months off the ranking lists are not included.