Conny Rudhof has ranking history, with the latest entry from May 1968 in the Welterweight 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 | May 1966 | May 1968 | 1 year 7 months |
| Lightweight | November 1963 | March 1966 | 12 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.