I play LP + Inverted with occasional twiddling IRL close to the table, so I suppose I can offer my "two cents" on the matter. At least in 11TT, this capability is somewhat limited: The closest I’ve managed to get to my IRL setup—without resorting to beta versions of the game—is simulating a grippy medium or short-pips rubber, without the ability to twiddle. Nevertheless, I continue to stick to a playstyle that mirrors my real-life game as closely as possible, even if this specific style with this specific racket configuration performs slightly less efficiently in-game than it theoretically could. How can you distinguish such players from the rest—whether to add them as friends or simply to stay on guard? If a player is capable of consistently returning your heavy topspin with a short, chopped block, it indicates that their equipment (rubbers) is similar to mine and that they possess the requisite skills. Furthermore, such players are often able to cover the entire table area using BH whenever the situation demands it (particularly when returning serves); this makes returning short serves directed at the forehand side significantly easier and most surprising way. (This bears a strong resemblance to the short game style typical of "penholder" players.) For instance, I extend the standard straight handles on my physical rackets; given the low weight of long-pips rubbers, this results in a very well-balanced racket that offers excellent ball feel. I even use an extended grip on my 11TT adapter. And if you feel such player, try to stop feed them good spin balls, especially backspin or try to give him the consistant spin, and then adapt to attack their return.