Jessica Pegula, the two-time defending champion at the National Bank Open, was upset 3-6, 6-4, 6-1 by Anastasija Sevastova, while Naomi Osaka cruised into the fourth round.

Two-time defending champion Jessica Pegula was eliminated in the third round of the National Bank Open after a 3-6, 6-4, 6-1 loss to Anastasija Sevastova on Friday.

Defending Canadian Open champion Jessica Pegula is out of the Montreal third round after blowing a big lead and picking up a shock 6-3 4-6 1-6 loss to world No. 386 Anastasija Sevastova.