Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to win a tennis tournament [title] Start practicing two weeks before the tournament. [step] Whether you are competing in a doubles or singles tennis tournament, it is important to begin mental and physical preparation well before your competition day. Eliminate distractions that will take your focus away from the competition and work on your skills with a coach or friend.

Ending1: [substeps] Identify your weaknesses and search online for drills that will help turn these weaknesses into strengths before the tournament. Work on your volleying, footwork, and stamina in the weeks before your competition. Ending2: [title] Get a workout at least two weeks before the tournament. [step] During an super-large competition, most players enjoy cardio, but don't spend a significant amount of time in an established, low-impact fitness gym. Ending3: [substeps] More information about the various rules can be found on the school's website. If you are entering the tournament alone, run a quick check on the website to make sure that you don't miss any time before you get into the game. Ending4: [substeps] This means aiming to stay mentally and physically prepared for the and without distractions. Lay a few exercise balls out in your car.

Answer format: ending1/ending2/ending3/ending4