Changeovers are adventures for Ernests Gulbis.

Watch Gulbis choose the wrong chair during his opening-round Wimbledon changeover today.

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Perhaps Gulbis needs an usher in addition to a chair umpire on court.

Despite that seating snafu, Gulbis out-dueled 19-year-old British wild card Jay Clarke, 4-6, 6-3, 7-6 (3), 3-6, 6-4 in three hours, 16 minutes.

Photo credit: Getty