Aryna Sabalenka on brink of US Open trifecta after blitzing Jessica Pegula

• Sabalenka defeats Pegula 7-5, 6-2 in semi-final

• Champion extends US Open winning streak to 19

• Belarusian faces Rybakina or Gauff on Saturday

Aryna Sabalenka's grip on the US Open showed no sign of weakening on Thursday night as the two-time defending champion swept past Jessica Pegula 7-5, 6-2 to move one win from a third straight title.

The top-seeded Belarusian star finished with 29 winners to Pegula's 12, her relentless aggression turning what had been a 50-50 fight deep into the opening set into a one-sided affair that marked her 19th consecutive victory at Flushing Meadows.