You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "who is considered the best tennis player of all time?" whose answer is Roger Federer.
Each document should contain about 30 words, and these documents should contain useful information.

Query: records of Roger Federer, Rafael Nadal, Novak Djokovic
Useful Output:

Doc 1: 1.Djokovic was Down 14-5 to Roger. 16-7 to Nadal. He now leads both in H2H Catagory. 2.. Nadals dominance on Clay really gave him an insane advantage over Nole
Doc 2: Novak Djokovic joined Roger Federer and Rafael Nadal with 20 Slams on Sunday, defeating Matteo Berrettini for his sixth Wimbledon title.
Doc 3: Novak Djokovic has equalled Roger Federer's record of 310 weeks ranked world No 1. The 33-year-old had made chasing the mark, which he is guaranteed to break
Doc 4: What are the career singles records of Federer, Nadal and Djokovic? Swiss prodigy Federer has a 82% career singles record of 1251-275. However,
Doc 5: Nadal has a 17-7 record in Slam finals (70.8 per cent win rate), against Federer's 20-10 (66.7 per cent win rate), and Djokovic's 14-9 (60.9 per