Banned umpire worked at 2015 U.S. Open due to 'flaw'.
Denis Pitner was suspended by the ITF in August but he did work as a linesman at the 2015 U.S. Open.
76 d / Reuters
Novak Djokovic says he is looking forward to beating Federer's Grand Slam tally
212 d / Siddarth Rishi Battula
Has attrition set in for Rafael Nadal?
223 d / Gokul Balasubramanian