No. 7 seed UCLA women’s basketball defeated No. 10 seed USC in the first round of the Pac-12 tournament Wednesday evening after entering the fourth quarter with a tie.

Graduate student guard Jaelynn Penn flexes while starting lineups are announced prior to tipoff of UCLA’s first-round matchup. Penn scored nine of her 11 points in the fourth quarter in the Bruins’ win over USC on Wednesday.

Redshirt senior guard Chantel Horvat leads the pregame huddle. Horvat recorded 10 rebounds in UCLA’s first-round win.

Graduate student guard Natalie Chou attempts a layup. Chou recorded a team-high two steals Wednesday evening.

Horvat attempts a shot in the paint over USC guard Tera Reed.

Penn drives in against Trojan guard Alyson Miura.

Junior guard Charisma Osborne puts up a layup. Osborne posted 14 points against USC as UCLA’s second-leading scorer on the night.

Redshirt freshman forward Angela Dugalić goes for a layup. Dugalić recorded her first career double-double with 13 points and 12 rebounds Wednesday.

Redshirt freshman forward Izzy Anstey (second from right) holds her head on the bench. The Bruins entered the fourth quarter Wednesday tied with USC.

Penn attempts a shot in the paint against three Trojan defenders.

Osborne drives in from the perimeter.

Dugalić waves to the crowd following UCLA’s first-round win. The Bruins won the fourth quarter by 13 points Wednesday evening.

The Bruins entered the final period with the lead, but couldn’t complete the upset against No. 2 seed Oregon in the quarterfinals of the Pac-12 tournament Thursday evening.

The Bruins were one of the final six teams standing prior to their loss Thursday.

Penn handles the ball while being guarded by Duck guard Te-hina Paopao. Penn tied for the team lead with 18 points in UCLA’s loss to Oregon on Thursday evening in the quarterfinals of the Pac-12 tournament.

Graduate student forward IImar’I Thomas passes the ball to Osborne. Thomas tied Penn for the team lead with 18 points Thursday evening.

Dugalić holds the ball away from an Oregon defender. The redshirt freshman forward scored six points Thursday.

Osborne holds the ball while being guarded by Paopao. The junior guard was held to five points in the Bruins’ loss to the Ducks.

UCLA huddles up during a timeout.

Thomas looks for an open teammate in the paint.

Osborne drives in against Paopao and Duck forward Nyara Sabally.

Horvat holds the ball while being guarded by Prince.

The Bruins huddle up after their loss to Oregon. After 14 lead changes and seven ties, UCLA ultimately lost by 3 points.

Penn wipes her eyes with her jersey after missing the game-tying 3-point attempt.

Contributing reports by Francis Moon, assistant Sports editor