Reading this thread, it is kind of sad that so many do not even know what an rts and what turn-based strategy games are and how they differ. Oh well, sign of the times, I guess.
Personally, there's hardly a sports game I ever enjoyed. The endless repetition of the same thing without any change in terms of level design isn't doing it for me. Never liked FIFA or other sports games.
However, I played the career mode of virtua tennis 2 on my ps2 to death. And also a tennis game on the snes, jimmy connor's pro tennis tour. There's something about this sport in video games I really enjoy. Maybe because I like arkanoid or something.
A new good tennis game on steam, developed by sega, would be a dream.