Source: Reuters
ATP Tour Rankings
Jan 13 (OPTA) - Rankings from the ATP Tour singles
Rank Points
1 Rafael Nadal (ESP) 9,985
2 Novak Djokovic (SRB) 9,055
3 Roger Federer (SUI) 6,590
4 Dominic Thiem (AUT) 5,825
5 Daniil Medvedev (RUS) 5,705
6 Stefanos Tsitsipas (GRE) 5,300
7 Alexander Zverev (GER) 3,345
8 Matteo Berrettini (ITA) 2,870
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