WD40 takes tar off of wood.
https://www.bing.com/search?q=DOES+WD49+TAKE+TAR+OFF+OF+WOOD+FLOORS&form=ANNTH1&refig=9dbfc9816d744063a8505b2b9a83ffc7&pc=U531
Man, the things I learn from my fellow FReepers. In the event that I ever win the lottery, guess who I'm cuttin' in 50/50? :-)