My oppenent's service toss accidentally grazed his raquet.
have no bearing on
~に何の関係もない
It was a missplaced toss, plain and simple, and the fact that it grazed his raquest has no bearing on that.
enlist 〜に協力を求める
in making 作る際に
A player shall not enlist the aid of a spectator in making a call.
ultimately
【副】
最後に、最終的に
究極的には、突き詰めていくと、結局のところ(は)
Ultimately we decided to play a let.
concede
【自動】
敗北を認める
concede the point
in the line of sight
視線方向
hindrance
【名】
妨害[邪魔](する[されている]こと)
He caught the hat and then threw it to his right, in my line of sight as I was preparing to hit a sure winner.I stopped play and claimed the point for his hindrance.
hindered 妨げられる
deliberate 【形】
よく考えた、熟考した上での 故意の、意図的な、計画的な
If a player is hindered in playing the point by a deliberate act of the opponent, the player shall win the point.