Liz Cambage had 20 points and eight rebounds while Glory Johnson added 15 points and the Tulsa Shock earned a 73-67 win over the San Antonio Silver Stars on Friday.
Candace Wiggins added 16 points for the Shock, including two key free throws with 7.2 seconds to go that sealed the win.
The Shock (9-18) matched the team's highest victory total in their four seasons in Tulsa.
With seven games remaining, Tulsa faces Seattle twice as well as the Silver Stars two more times.
Shameka Christon scored 18 points off the bench to lead the Silver Stars (9-17), who are 1-6 in their past seven road games and 3-11 on the year outside Texas. Shenice Johnson added 13 points, eight in the fourth quarter, and eight rebounds.
San Antonio missed guard Danielle Robinson, the WNBA's assist leader, with a strained right knee suffered in the Silver Stars' 80-63 loss at Indiana on Wednesday.
San Antonio's hopes of reaching the playoffs for the seventh straight year are in jeopardy.
Wearing special pink uniforms that were auctioned off after the game to support the battle against breast cancer, the Shock built a huge lead early and coasted the rest of the way to just their second win in their past six games.
Wiggins' fourth 3-pointer of the game with 2:11 left in the third quarter gave Tulsa a 57-37 lead, but the Silver Stars used a 10-2 run to close the period to get within 12 heading into the fourth.
San Antonio continued to chip away at the Tulsa lead throughout the fourth quarter, whittling its deficit to within seven with 3:21 remaining when Davellyn Whyte made a 3-pointer to make it 67-60.
But Tulsa responded with baskets by Cambage and Glory Johnson, pushing the edge back to double digits at 71-60 with 2:20 to go.
Tulsa started off the game well.
After Whyte cut Tulsa's lead to 8-6 midway through the first quarter, the Shock reeled off a 22-2 run over the next 10-plus minutes to take control.
Glory Johnson's basket with 5:49 left in the second gave Tulsa a 30-8 lead en route to a 40-22 halftime advantage.
The Silver Stars' 22 points at the half marked the fewest points they've scored in any single half this season, as well as a season-low total allowed by the Shock in a half.
The 18-point deficit at the half also was the biggest of the season for San Antonio.