A) Novak Djokovic (Serbia)
B) Rafael Nadal (Spain)
C) Daniil Medvedev (Russia)
D) Roger Federer (Switzerland)
Answer: C) Daniil Medvedev (Russia)
A) Novak Djokovic (Serbia)
B) Rafael Nadal (Spain)
C) Daniil Medvedev (Russia)
D) Roger Federer (Switzerland)
Answer: C) Daniil Medvedev (Russia)