This is the 15697th most frequent Turkish word.
tenisçi
Tennis player.
Here, "tenisçi" is used as a noun to denote a person whose occupation or notable activity involves playing tennis.
Tenisçi kortta antrenman yapıyordu.
The tennis player was training on the court.
In this sentence, "tenisçiler" (plural form), derived from "tenisçi," refers to a group of people who play tennis at a professional level, emphasizing its usage as a subject performing actions.
Profesyonel tenisçiler genelde sıkı bir diyet uygular.
Professional tennis players generally follow a strict diet.
The word "tenisçiyi" (accusative form) indicates a specific tennis player as the object of the action.