Taylor Fritz has credited the quality of his serve as one the main reasons he made a winning start at the ATP Finals after a 6-3, 6-4 victory against Lorenzo Musetti.
Italy's Jannik Sinner launched his bid to retain the ATP Finals crown with a convincing 7-5, 6-1 victory over Canada's injury-hit Felix Auger-Aliassime.
Carlos Alcaraz and Alexander Zverev both claimed opening-day wins in ATP Finals action on Sunday in Turin.
Novak Djokovic has decided not to participate at the ATP Finals for the second consecutive season following his marathon final win at the ATP 250 in Athens.
Carlos Alcaraz has arrived in Turin for the ATP Finals with two major objectives: capturing his first title at the season-ending event and claiming the year-end world No. 1 ranking.
Carlos Alcaraz and Jannik Sinner top the two groups at the 2025 ATP Finals, but Novak Djokovic's ongoing tournament could throw the event into disarray.