Tina Charles had a team-high 24 points and added 10 rebounds to lead Connecticut to an 86-75 victory against Tulsa on Friday.
Charles, who had just four points in the first quarter, had 12 by halftime and tallied 12 more in the second half to post the 55th double-double of her career, a Connecticut franchise record.
Asjha Jones also had a double-double for the Eastern Conference-leading Sun (11-4) with 14 points and 10 rebounds.
Kara Lawson had 14 points and six assists for Connecticut while reserve Mistie Mims added 10 points.
Tulsa's Ivory Latta also had 24 points, including 6 of 7 from 3-point range. Kayla Pedersen added 10 points and five assists for the Shock (2-13).
Charles, who played only five minutes in the first period after two quick fouls, returned to hit a pair of free throws to give Connecticut the lead at 29-27 with 6:06 remaining in the second quarter.
She tallied eight of her 12 first-half points in a 19-7 run that gave the Sun a 46-34 halftime advantage.
Tulsa closed within 55-52 midway the third quarter. But Allison Hightower scored four of her six points in a 11-2 burst to finish the period to give the Sun a 66-54 lead entering the final period.
The Sun rolled to a 25-10 lead after one quarter, hitting 64.7 percent from the field. Lawson had two of the Sun's 3-pointers in the period.
Meanwhile, Tulsa managed just 21.1 percent from the floor in the opening 10 minutes.
But Latta opened the second quarter with back-to-back 3-pointers and had 11 points in a 17-2 Tulsa run that tied the game at 27 with 6:32 to go before halftime.