The plot of the book 'Теннис за 3 дня' (Tennis in 3 Days) revolves around the story of a young man named Ivan, who finds himself caught up in the midst of a brutal war that has ravaged his homeland. With no end in sight, Ivan discovers an unlikely savior in the form of tennis, a sport he had never played before but one that becomes his lifeline in the face of adversity. As he learns to play the game, he realizes that it is not just about hitting a ball back and forth over a net, but about strategy, skill, and mental toughness. Ivan's journey begins when he stumbles upon an old tennis racket while scavenging for supplies in the ruins of his city. Despite having no prior experience with the sport, he decides to teach himself how to play, using books and online tutorials as his guide. He soon discovers that tennis requires more than just physical strength; it demands mental fortitude, strategic thinking, and the ability to adapt quickly. As he hones his skills, Ivan finds solace in the game, and it becomes his escape from the horrors of war. As the days pass, Ivan's tennis prowess grows, and he begins to see the world through a different lens. He recognizes that the principles of tennis - such as perseverance, resilience, and teamwork - can be applied to his survival in the war-torn landscape. He starts to view the world as a court, with obstacles and challenges serving as the net.

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