Ostapchuk was returned to AHL Belleville on Wednesday.
Ostapchuk was recalled from AHL Belleville on Monday.
Ostapchuk was returned to AHL Belleville on Friday.
Ostapchuk has been recalled from the AHL and will make his NHL debut Tuesday against the Penguins.
Ostapchuk (undisclosed) is expected to play in Monday's exhibition matchup against Toronto.
Ostapchuk (undisclosed) is listed as injured on the Senators' training camp roster released Wednesday.
Ostapchuk (shoulder) will play Saturday against Montreal in preseason action, TSN 1200 Ottawa reports.
The Senators announced Saturday that Ostapchuk (undisclosed) is injured and not participating in training camp.
Ostapchuk signed a three-year, entry-level contract with the Senators on Wednesday.
Ostapchuk was drafted 39th overall by the Senators at the 2021 NHL Draft on Saturday.