Tennis superstar Roger Federer is on course for another ATP Finals title following his defeat of South Africa’s Kevin Anderson to reach the semi-finals of the tournament on Thursday.
The six-time champion overcame Anderson 6-4 6-3 to reach the last four for the 15th time.
With this win, Federer tops his group.
In the meantime, world number one Novak Djokovic is through to the semi-finals and can clinch top spot in his group by beating Marin Cilic on Friday.
Alexander Zverev, John Isner and Cilic are battling for the other semi-final spots.