London - Nitto ATP Finals - Day 4

Day 4 of the  Nitto ATP Finals in London.

2019 Nitto ATP Finals - the season ending ATP tournament, on Hard Indoor, in London, England, 10 - 17 November 2019.

Defending champion:

Alexander Zverev (3) who defeated Novak Djokovic (1) 6-4 6-3

GROUP ANDRE AGASSI 

Rafa Nadal (seeded 1)

Daniil Medvedev (4)

Stefanos Tsitsipas (6)

Alexander Zverev (7)

Day 4 results 

Stefanos Tsitsipas (6) defeated Alexander Zverev (7) 6-3 6-2

Rafa Nadal (1) defeated Daniil Medvedev (4) 6-7(3) 6-3 7-6(4)