Factbox: U.S. Open finalist Angelique Kerber

(Reuters) - Factbox on Germany's Angelique Kerber, who will contest her first U.S. Open women's singles final on Saturday against Czech 10th seed Karolina Pliskova. Born: Bremen, Germany, January 18, 1988 (Age: 28) Seed: 2 GRAND SLAM TITLES (1): Australian Open (2016) EARLY LIFE Began playing tennis aged three and grew up idolizing Steffi Graf. Made first main draw in 2006 at Hasselt in Belgium, losing to Serbia's Ana Ivanovic in the second round.