The 2010 finalist said that he could not see the ball properly and pointed out that it was too dark for Hawk - Eye to work .
Berdych 's complaints began near the end of the fourth set on Monday .
The 2010 finalist said that Berdych could not see the ball properly and pointed out that it was too dark for Hawk - Eye to work .
Berdych 's complaints began near the end of the fourth set on Monday .