.TURIN, Italy– Top-ranked Jannik Sinner became the 1st gamer to advance to the semifinals at the ATP Finals on Thursday.Sinner was assured of a place in the last four after USA Open finalist Taylor Fritz defeated Alex de Minaur 5-7, 6-4, 6-3 in their group.Sinner won his opening up pair of suits and participates in Daniil Medvedev later. In 2013, Sinner lost the last to Novak Djokovic, who pulled out harmed this year.Fritz also possesses 2 wins, while Medvedev is still in opinion and also could come to two victories by trumping Sinner. De Minaur was mathematically eliminated with no triumphes in his finals debut.The leading two finishers in each group advance to the semifinals.Alexander Zverev leads the various other group in front of Casper Ruud, Carlos Alcaraz as well as Andrey Rublev.