Roger Federer has great message for Novak Djokovic's coach (WATCH)

• Tennis News
• Roger Federer

20-time Grand Slam champion Roger Federer met Novak Djokovic and the Serb's coach Goran Ivanisevic on a practice court at the Laver Cup. After landing in London for the Laver Cup, Federer met Djokovic, who will be his teammate on Team Europe.

Federer took a chance to jokingly let Ivanisevic know that they are not rivals this week. "I'm ready to be with you, on your side," Federer told Ivanisevic with a smile on his face.

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Djokovic 'excited' to be a part of Federer's farewell

A week ago, Federer revealed his plans to retire after the Laver Cup.

Djokovic, who has been one of Federer's biggest rivals, will be a part of Federer's final tournament. "Great to be here, exciting, full of emotional moments on and off the court, particularly for Roger. It's exciting, it's great to be here, probably once in a lifetime to be in a team along with Rafa, Roger and Andy, three of my biggest rivals," Djokovic said.

Meanwhile, Federer doesn't plan to play much this week. This week, Federer revealed that his goal is to only play one doubles match this Friday. A few days ago, there was fear that Federer might be forced to sit out the entire Laver Cup.

Fortunately, tennis fans will at least get a chance to see Federer in one doubles match. "I am quite surprised how well I am playing in practice here. But it was already clear beforehand that I would only play doubles, probably on Friday evening.

That's why playing the Swiss Indoors in Basel was no longer an option. It was tough, the whole comeback was extremely difficult. I was so far from 100 percent. Reaching the quarter-finals at Wimbledon was unbelievable for me. The last set against [Hurbert] Hurkacz was one of the worst hours of my career," Federer said.