(Jürgen Fritz, 11.05.2021) The ATP Ranking, which is decisive for the seedings in professional tennis tournaments, has been modified several times since the pandemic break, much to the disadvantage of the young players. Now, results count not only for up to 12 months, but for up to 36 months. It also contains some other fundamental deficiencies and distortions. In order to have an overview of what actually happened in the last 52 weeks, without tendency skews, the JFB Ranking was developed.