This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
SinglesRankingCompositeHistoryChartRogerFedererRafaelNadalNovakDjokovic. Singles Ranking Composite History Chart Roger Federer Rafael Nadal Novak Djokovic selfmade based on data from this URL atpworldtour Darko CCZero Darko en Cczero Original upload log en SinglesRankingCompositeHistoryChartRF BRN BND bytes Darko chart expanded