got a question, do the pro pen's extra duty marathon balls last longer than Pro Penn Marathon? anyone noticed a difference between the two? (as i'll be playing outdoors with them, concrete courts)
just realised tennis warehouse don't have either anymore? out of stock/stop selling them?
TGK 237.1 Owner - “I am the punishment of God...If you had not committed great sins, God would not have sent a punishment like me upon you.”