39-year-old Croatian Ivo Karlovich told how his training changed in the off-season with age. “I usually practiced a lot, but with age I try to facilitate my work, because it becomes more difficult to train. In the offseason, I spent a lot of time at home, and I really enjoyed it. Now the psychological aspect comes to the fore. It is not easy to find the motivation to wake up every morning and do all the necessary work. Despite this, I understand that I am doing what I love and want to do it as long as possible, ”Karlovic Tennis World USA quotes.