When it comes to comparisons between wheelchair tennis and the pedestrian form of the sports, there are really only two major differences.
The first, the two bounce rule we've talked about before the second and perhaps less understood difference is the classification system.
Designed to maintain integrity of competition and ensure a level playing field as far as possible, anyway, wheelchair tennis like all power sports, has an international classification system in place.
And it's important that the right system is created, so competition is determined by sporting ability rather than a players degree of impairment.
Up until May, 2019, the eligibility criteria to compete on the tour and at the Paralympics was simply based on whether it was possible for you to play the pedestrian game.
If you couldn't and your impairments effected your lower limbs only, then you were eligible to play in the open division of wheelchair tennis.
If one or both upper limbs were affected as well, players could opt to go through a further process and get classified in the quad division.
It was a system established by the ITF and recognized by the international Paralympic committee that took into account the sport and how it is played.
For example, having the power or function to perform the shots only scratches the surface of what makes a great tennis player.
There's also the cerebral element of having a sharp tennis brain, meaning even of player who looks weak on paper could overcome an opponent considered more physically powerful with the right tactics and game plan.
