As the modern game of tennis becomes more technologically advanced, players must adapt to more vicious serves.
These serves are the results of strength, height and quick action in the arms of the top athletes.
This list of powerful servers is mainly based on power and the angle at which the ball picks up off the court, but it also considers precision and spot serving.
Sadly, I had to leave a few incredibly powerful servers, including Juan Martin del Potro, Gael Monfils, Jo-Wilfried Tsonga, Samuel Groth and Nicolas Almagro off of the list, though the decision to do so was very tough, indeed.
Here are the top 10 most powerful servers in the game today, ranked in order.