Ukrainian tennis player Sergiy Stakhovsky reveals 20-time Grand Slam champion Novak Djokovic sent him a message of support, while Roger Federer and Rafael Nadal “prefer silence.” Stakhovsky returned to Ukraine so he could join the military reserve and defend his country. Djokovic, who was replaced as No. 1 this Monday by Daniil Medvedev, even chatted a little with Stakhovsky. Even though Federer and Nadal “prefer silence,” Stakhovsky doesn’t blame them as he says “it is not their war.” “Djokovic sent me a message of support, we even chatted a bit. I tried to contact Federer and Nadal, I’m sorry they preferred silence. I understand them, it’s not their war. We have the support of great pe …