In tennis, ______ holds the record of being the reigning world number 1 for the longest time. September 14, 2021September 14, 2021 administrator In tennis, ______ holds the record of being the reigning world number 1 for the longest time.Novak DjokovicWell Done. Your Answer is Correct Keep it Up!Pete SamprasRafael NadalRoger Federer Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Like this:Like Loading...Related Posts:For pipes, turbulent flow occurs when Reynolds…A large Roynold number is indication of_________________?Reynolds number is significant in____________________?Froude number is significant in____________________?