Zverev keeps ATP Finals hopes alive with Schwartzman win

The 2018 champion could still qualify for the semi-finals after his 6-3 4-6 6-3 victory over the Argentine. Alexander Zverev needed a victory to keep his hopes alive at the Nitto ATP Finals in London, and he was able to clutch one out against Diego Schwartzman, taking down the Argentinian 6-3, 4-6, 6-3.