In USCF OTB I have drawn Masters several times, but have never won a game. Twice I have been a piece up, and they demonstrated why they are Masters and I am not,
As draws go, my nicest one was against NM Phil Collier in the Virginia State Championship back in the 90's. It was in September, and the previous July Phil had beaten GM Larry Christiansen in the World Open, so it was a "Kevin Bacon-esque" kind of moment.
On the negative side, I was up a bishop with queens and rooks still on the board in an open position, and he had two extra pawns. He offered a draw, and I chickened out and took it, partly out greed for rating points. Back then I was endgame-ignorant, and I probably would have lost anyway, but nowadays I am much more comfortable staying on top of the horse until the bucking stops.