The 6-foot-6 Zverev said that while he is physically more powerful this year, it took him a while to figure out how to adapt his game to his growing body. The 18-year old qualified for Miami ...

but the Serbian great admits to be being worried about his creaking body ahead of an Australian Open semi-final with "super dangerous" Alexander Zverev. The irrepressible 37-year-old put to bed ...

Zverev pairs this with a conservative Eastern grip with his top hand. The combination is well suited to taking the ball early, and pushes the contact point further out in front of his body.