Negative Burrow. Knowing how mant Wimby's or slams Edberg won shows some tennis kowledge because it shows you have been following the game for some time, whereas anyone can find out what the current rankings is and it doesn't mean shit. Knowing strengths and weaknesses of players also shows tennis knowledge because first of all not anyone can identify them, and second not anyone is interested to. If you ever played tennis on any serious level whatsoever you would know that it's very important to know that about your opponent. So as a fan it would just be natural to identify them as well.
No, knowing how many slams Edberg has won strictly shows only ATP tennis knowledge. I am talking about the sport itself, not the goings on in the professional circuit.
And yes, identifying strengths and weaknesses is anything anyone can do if provoked. My mother would be able to tell you that X has a better forehand and backhand and that Y has a big serve. It takes actual
study and commitment to learn the 3 fundamental aspects I initially mentioned and this is attained by reading good literature, not MTF.
Identifying strengths and weaknesses and applying them tactically to in-game scenarios, as say, a coach, is completely different and far more complex than saying "Rafael, as you know, Federer has a weak backhand, I want you to pummel forehands with heavy top spin so that the ball sits shoulder length on that weak backhand of his".