20-year old Zverev moved to No. 19 in this ATP World Tour rankings this week Kris Budden has your rankings update:

After Pablo Carreno Busta took his first ATP title on clay this weekend in Estoril, his ranking jumped to a career high of No. 18. Meanwhile, Marin Cilic jumped to No. 7 with his Istanbul title.20-year-old Alexander Zverev moved to No. 19 and has a very h