Oliver McNally had a game-high 17 points as No. 21 Harvard overcame a six-point second-half deficit to defeat Dartmouth 63-47 Saturday at Lavietes Pavilion.

The Crimson (13-2, 1-0 Ivy), who led 23-22 at halftime, were outscored 14-7 to open the second half and fell behind 36-30 with 14:21 left.

However, three straight baskets — capped off by Brandyn Curry’s three-point play — gave Harvard a 38-36 lead. From there, Harvard extended its lead to 10 points on Keith Wright’s layup with 6:51 remaining.

Wright, a senior, finished with 10 points and five rebounds for the Crimson, who improved to 5-0 at home and extended their home win streak to 22 games.

Gabas Maldunas finished with a team-high 15 points and nine boards for Dartmouth (3-13, 0-1 Ivy), which has lost 10 of its last 11 games, including six straight.

Laurent Rivard came off the bench to score nine points and Kyle Casey added eight for the Crimson, who shot 48 percent from the field, including 8-of-20 from 3-point range.