Angelique Kerber has prepared intensively in Mallorca 's sun for the Grand Slam tournament in Wimbledon ( 27 June to 10 July ) .
Is highly confident going into the year 's biggest tennis major .
Angelique Kerber has prepared intensively in Mallorca 's sun for the Grand Slam tournament in Wimbledon ( 27 June to 10 July ) and is highly confident going into the year 's biggest tennis major .