Australian tennis star Nick Kyrgios says tennis is quite a specific sport and noted that a player can’t get too down on himself after losses. Unlike team sports where teams usually have the whole week to prepare for their opponent, tennis players never know what to expect next as they play a big number of tournaments and face many different opponents throughout the course of the season. “One thing I learned was, (in) tennis you have to be an unbelievable loser because only one person every week wins every match,” Kyrgios told TopCourt. “Every week you are experienci …