No more drawing on paper or (with your racket) on the ground. Just simply picture the situation on your phone or tablet and bring your coaching skills to the next level. TennisCourt can be used by teachers, coaches and every individual player. The court has already been drawn. Within the court, you can draw lines yourself or draw straight lines with adjustable thickness. You can also place and move various objects in the court: rectangle(s), circle(s), right and left- handed player(s) and ball(s). The colour of the tennis court, the lines and objects are adjustable. Objects can be removed one at a time or all together. You can make a pic of the court and save lesson preparation (album). A blank page for personal notes is available. The app also offers you a video functionality for accurate analysis. Maarten Kloet (Netherlands) - founder of this app - is a highly professional tennis coach with over 40 years of teaching experience worldwide.A picture tells more than a thousand words. Coaches / Trainers adapt to the times