Einen guten Tennisspieler macht eine Vielzahl an Zutaten aus.
There's a lot of ingredients go into being a good tennis player.
Wenn du die Gelegenheit hast, schlag zu!
When you have the opportunity, you strike!
Am verwundbarsten ist dein Spiel, wenn du vorne liegst; lass niemals nach!
The time your game is most vulnerable is when you're ahead; never let up!
When you've got your man down, rub him out.
The next point - that's all you must think about.