"Next Gen" star Karen Khachanov jumps 14 spots in the ATP World Tour rankings! Here's your weekly ATP rankings update:

A run to the Barcelona Open quarterfinals gave Next Gen star Karen Khachanov a big jump in the rankings, rising 14 places to career high No. 42. With his Barcelona Open semifinal run, Horacio Zeballos shot to No. 63. Barcelona Open qualifier Hyeon Chang mo