Flirt ... go for it.
However, I would never want a girlfriend that played tennis. Thank goodness my wife is a non-athlete.
In my previous life in volley ball ... the kiss of death happened as soon as you started dating your mixed doubles partner. Fights, poor play and if you ever started playing with someone new ... forget about it.
NO, NO, NO you cant make me do it ... again
"You should be playing linebacker, not singles."