Credit: Amazon Prime. Aslan Karatsev beat fellow Russian No. 3 seed Karen Khachanov 7:6, 6:1 in the semi-final of the Kremlin Cup on Saturday. Karatsev saved four set points in the first set, and survived a tight tie-breaker, to dominate in the second set against 2018 Kremlin Cup champion. Karatsev is through to his third final of the year, on Sunday he will face two-time Moscow champ Marin Cilic.