Tennis fail - Polansky loses the first set to an UNDERHAND server McDonald

One of the most unusual sets of tennis EVER. Mackenzie McDonald is suffering from a shoulder injury and starts serving underhand at 4-4 in the first set (Knoxville challenger 2016). He’s still producing some great shots in the rallies. Peter Polansky had no idea how to handle it therefore he recieved a great “mocking“ after the match by tennis fans and media pundits. Polansky eventually found a way to win the match 6-7(8) 6-4 5-1 and McDonald retiring. Polansky, who had beaten Daniel Evans in the previous r