Who is the most consistent tennis player of all time?

Not the biggest peak — the fewest bad days. Semi-finals reached, win percentages, years spent in the top ten. Pick the player who almost never lost early.

1. 1
   Chris Evert

   Reached the semi-finals or better at 52 of the 56 majors she entered.
2. 2
   Roger Federer

   Twenty-three consecutive major semi-finals between 2004 and 2010.
3. 3
   Novak Djokovic

   More than 400 weeks at world No. 1 and a top-three finish in most seasons since 2011.
4. 4
   Martina Navratilova

   Ranked in the world's top ten for nearly two decades and 332 weeks at No. 1.
5. 5
   Rafael Nadal

   Fourteen French Open titles across eighteen years, losing four matches there in total.
6. 6
   Steffi Graf

   Held world No. 1 for 377 weeks, still the record for either tour.
7. 7
   Serena Williams

   Reached a major final in fifteen different years across three decades.
8. 8
   Jimmy Connors

   Ranked in the top ten for sixteen straight years and reached 41 major quarter-finals.
9. 9
   Ivan Lendl

   Reached eight consecutive US Open finals from 1982 to 1989.
10. 10
    Margaret Court

    Won at least one major singles title in eleven different years.
11. 11
    Billie Jean King

    Reached major finals across three decades and won 129 singles titles.
12. 12
    Pete Sampras

    Finished year-end No. 1 six years in a row from 1993 to 1998.
13. 13
    Venus Williams

    Played major main draws in twenty-four different seasons.
14. 14
    Monica Seles

    Reached ten of the eleven major finals she contested before 1993.