2021-10-02 21:22:14 GMT+00:00 - No. 1 seed Jannik Sinner of Italy will defend his Sofia Open title Sunday against No. 2 Gael Monfils of France in the Bulgarian capital. Sinner struck seven aces and converted four of eight break points in a 6-3, 7-5 win over No. 5 seed Filip Krajinovic of Serbia in one hour and 43 minutes. Sinner, 20, has not dropped a set all week and is 2-1 head-to-head against Monfils, who defeated American Marcos Giron 7-5, 6-0 in Saturday"s other semifinal. Monfils trailed 4-2 in the first set before sweeping 11 of the next 12 games to advance in 65 minutes.