World number one Roger Federer has been just phenomenal when it comes to grass-court tennis. And the Swiss legend is nearing one more record on his favoured surface. Federer is just six wins away from  matching Jimmy Connors’ all-time record of 174 victories on the mown lawns. The 20-time Grand Slam Champion recently won the Mercedes Cup, his first tournament in three months. Also Read - French Open 2020: Rafael Nadal on Novak Djokovic Surpassing Roger Federer's Record | WATCH

According to the FedEx ATP Performance Zone, no other player in the history of the game has won more than 136 grass-court matches. Also Read - French Open 2020 Final: Chris Evert Calls Out Novak Djokovic For 'Rivalry With Rafael Nadal Biggest in Sport' Comment

Federer last week began his Garry Weber Open campaign with a comfortable 6-3, 6-4 win over Slovene Aljaz Bedene  in a one-sided opening-round clash that lasted one hour and 11 minutes. With the win, he also extended his grass-court winning streak to 17 matches. He will today lock horns with France’s Benoit Paire to book a place in the quarter-finals of the ongoing pre-Wimbledon tournament. Also Read - French Open 2020: Novak Djokovic Showers Big Praise on Rafael Nadal After Historic Roland Garros Triumph, Says Today You Showed Why You Are King of Clay

According to FedEx ATP Performance Zone, the nine-time Garry Weber Open champion has the highest win-rate in grass-court matches (87.5 per cent (168-24)). Andy Murray (84.8 per cent) and Novak Djokovic (81.9 per cent) are the only two players who have a win percent of more than 80 at the grass court.

The 36-year-old Swiss legend is also ranked among the best in tennis history on both hard courts and clay courts. He is second all-time on hard courts, behind Djokovic, at 83.3 per cent (725-145) and 14th on clay at 75.9 per cent (214-68). Federer has won 42.9 per cent (18/42) of the tour-level grass-court tournaments he has played.

(With inputs from atpworldtour.com)