Nole is through to the semi-finals at the event for the eighth time.<\/p>\n
Top seed Novak Djokovic improved to 2-0 in Group Guga Kuerten on Wednesday, outplaying Alexander Zverev 6-4, 6-1 at the Nitto ATP Finals<\/a>.<\/strong><\/p>\n Novak broke his young German rival three times en-route to a one hour, 16-minute victory.<\/p>\n Djokovic saved two break points at 4-4 and made a break in the following game to seal the opening set on his third set point.<\/p>\n The world no.1 raced to his second triumph at The O2 this week, breaking Zverev twice more, in the fourth and sixth games of the second set.<\/p>\n Since Cilic lost a set against Isner in their RR2 clash, Novak qualified regardless of score of Friday matches.<\/p>\n “I don’t think it was breathtaking tennis but a win is a win,”<\/strong> Novak said. “I played well mid-way through the second set and started to swing through the ball. I had not served that well but he made a lot of unforced errors which helped me win. He served very well in the first set, it was very hard to read his serve. I actually found it more difficult than in the first match against Isner.”<\/strong><\/p>\n Match statistics: aces (1-9), double faults (3-2), winners (11-20), unforced errors (13-33), total points won (61-41).<\/p>\n