Naomi Osaka Hits the Umpire | Australian Open 2022 - YouTube
I'll test positive': Tennis player's outburst to umpire as he hits out at Covid testing at Australian Open
Denis Shapovalov: I wouldn't have recovered if umpire had suffered serious eye injury - Eurosport
Alexander Zverev loses $70K for attacking umpire chair with tennis racket - UPI.com
WATCH: Alexander Zverev turns violent and almost hits chair umpire at Mexican Open
Djokovic disqualified from US Open after hitting line judge with ball | Daily Sabah
Nick Kyrgios arguing with an umpire about the length of a fellow player's number-two break is a classic U.S. Open moment | This is the Loop | GolfDigest.com
Nick Kyrgios roadshow hits top gear in DC as he gifts elderly fan a towel and gives umpire a code violation
Novak Djokovic apologizes after defaulting US Open match for hitting line umpire with ball - ABC News