#6 65 consecutive match wins on grass
With 19 titles and 187 match wins, no other player has won as many titles or matches on grass as Federer.
If that is already not impressive enough, Federer's streak of 65 consecutive wins on the surface (2003 to 2008) is the best on the surface by a country mile. Swede Bjorn Borg won 41 consecutive matches between 1976 to 1981 (all at Wimbledon), while the next best on the all-time list is John McEnroe's 23 between 1980 and 1982.
Among active players, Andy Murray won 19 consecutive grass-court matches between 2012 and 2014. And in terms of titles on the surface, the Scot's 8 titles are good enough for joint fourth-place in the all-time list, while his 107 grass-court match wins places him in 15th place in the all-time list.
The Swiss failed to land a record-extending 9th Wimbledon title and 20th grass-court title when he squandered consecutive match points on serve against Djokovic in the 2019 final. However, Federer's grass-court records remain likely to be beyond the reach of any player for a very long time.
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