britbox
Rookie
Bjorn Wettstein
Interesting interview with an ATP chair umpire - talks time violations, qualifications and memorable matches.
https://www.tennisfrontier.com/tennisforum/threads/interview-with-chair-umpire-bjorn-wesstein.324
Interesting interview with an ATP chair umpire - talks time violations, qualifications and memorable matches.
https://www.tennisfrontier.com/tennisforum/threads/interview-with-chair-umpire-bjorn-wesstein.324
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