Definition: In this task, you need to reverse all words of a given length in the sentence. The number of letters in a word determine its length. For example, the length of the word "apple" is 5.
Input: Sentence: 'a woman tennis player with a racket and ball in a service stance on the court'. Reverse all words of length '6' in the given sentence.

a woman sinnet reyalp with a tekcar and ball in a service ecnats on the court