Retro time: Jack Kramer serve

[gzhpcu]

Look at his left hand, he starts the toss with the hand pointing downwards...

[stotty]

I do the same...but that's about all I have in common with great man!

[gzhpcu]

This side view shows Kramer's highly stylized service motion which all junior players copied in those day: Rocks back, then forward. Plenty of shoulder turn...