A split picture of Learner Tien and Youngster Learner Tien and veteran Gael Monfils defied their respective ages as both players reached the Australian Open fourth round. American qualifier Tien, playing for the first time in the Melbourne main draw, earned a 7-6 (12-10) 6-3 6-3 win over France’s Corentin Moutet. The 19-year-old pulled off […]