In 2013, Sabrina Ionescu was one of two applicant athletes selected to the 2013 USA U16 National Team, meaning she earned a spot on the 12-member roster after attending trials without an invitation from the USA Basketball committee.

At the 2013 FIBA Americas U16 Championship, Sabrina Ionescu helped the USA to a 5-0 record and gold medal in Cancun, Mexico. She started in all five games and averaged 3.4 points, 3.8 rebounds and 2.0 assists per game.

The 2013 FIBA Americas U16 Championship was played in Cancun, Mexico, and the team had the chance to visit the beach. Sabrina Ionescu (right) is pictured here with (from left to right) Nancy Mulkey, Lauren Cox and Katie Lou Samuelson.

In 2014, Sabrina Ionescu earned a spot on the 2014 USA U17 World Cup Team that won a gold medal with a 7-0 record in July in Pilsen, Czech Republic. At the 2014 FIBA U17 World Cup, she averaged 4.0 points, 3.3 rebounds, 2.3 assists and 2.1 steals per game.

Prior to the 2014 FIBA U17 World Cup, the USA team – pictured here outside of Notre Dame Cathedral – went 2-1 in exhibition play in Nogent Sur Seine, France, and was able to spend a few hours visiting Paris.

Traveling from France to Czech Republic for the 2014 FIBA U17 World Cup in Pilsen, the team also had the chance to take a tour in Prague.

Following her freshman season at the University of Oregon, Sabrina Ionescu returned to USA Basketball as a member of the 2017 USA U23 National Team. She averaged 10.3 points and 2.7 rebounds per game to help the USA to claim the inaugural U24 Four Nations Tournament title with wins over Australia, Canada and Japan in Tokyo.

In 2018, Sabrina Ionescu and her University of Oregon teammates Erin Boley, Oti Gidon and Ruthy Hebard captured the 2018 USA Basketball 3x3 National Championship title with an 8-0 record at the U.S. Olympic Training Center in Colorado Springs, Colorado.

Sabrina Ionescu was named MVP at the 2018 USA Basketball 3x3 National Championship.

Following her tournament title and MVP honors at the 2018 USA Basketball 3x3 National Championship, Sabrina Ionescu was named to the 2018 USA 3x3 World Cup Team that finished with a 4-1 record and in fifth place at the FIBA 3x3 World Cup in Manila, Philippines. She led the team with 6.2 points per game.

Playing in her first USA Basketball National Team event, Sabrina Ionescu was a member of the USA Red Team that fell to the USA White Team 100-75 in an intrasquad exhibition game during the 2018 USA World Cup Team training camp that was held in South Carolina on Sept. 5. She scored 3 points and added 3 rebounds and 6 assists in the game.

A few days after the exhibition game in South Carolina, Sabrina Ionescu also played in the USA National Team's 74-68 exhibition victory over Canada on Sept. 8 in Bridgeport, Connecticut, which was a part of the 2018 USA World Cup Team training camp.

At the 2019 Red Bull USA Basketball 3X Nationals in Las Vegas, Sabrina Ionescu led her Oregon team to a second-straight title at the event with a 6-1 record.

Sabrina Ionescu also earned a second-straight MVP honor at the 2019 Red Bull USA Basketball 3X Nationals. She is pictured here with the men’s tournament MVP, Robbie Hummel.

As a member of the 2019 USA 3x3 Pan American Games Team, Sabrina Ionescu helped the USA capture a gold medal with a 7-0 mark at the inaugural 3x3 PAGs competition in Lima, Peru. She was teamed up with her University of Oregon teammate Ruthy Hebard (10) and University of Connecticut teammates Olivia Nelson-Ododa (9) and Christyn Williams (not pictured).

At the 2019 USA 3x3 Pan American Games Sabrina Ionescu averaged a team second-best 7.1 points per game of the USA’s 20.6 points per game.

Playing against the USA National Team in an exhibition competition on Nov. 9, Sabrina Ionescu led Oregon to a 93-86 upset with 30 points and seven assists.

Sabrina Ionescu was the No. 1 pick in the 2020 WNBA Draft, going to the New York Liberty on April 17. Less than one hour after her selection, her jersey had sold out online.