You can use this site...
To calculate. You can use http://www.wtatour.com
for APPROXIMATE weight and height. (Not all is correct)
Venus Williams has a BMI of 21. (Acceptable)
Serena Williams' has a BMI of 22. (Acceptable)
Marion Bartoli has a BMI of 20. (Acceptable) Weight is clearly wrong on site though.
Healthier than Vee apparently.
Ai Sugiyama has a BMI of 21. (Acceptable)
Vania King also has a BMI of 21. (Acceptable)
Maria Sharapova has a BMI of 17. (Underweight
Jelena Jankovic has a BMI of 19. (Almost underweight.)
Sanda Mamic aka Miss Anorexic has a BMI of 18. (Underweight)
Casey Dellacqua is almost overweight. BMI = 25.
* Normal weight = 18.5-24.9
* Overweight = 25-29.9
* Obesity = BMI of 30 or greater
So obviously most players are fit. But here's the quest - fine an obese player. See if you can.