Tobin Heath is training with the USWNT. 

CHICAGO – With the opening match of the delayed 2020 Olympics six weeks away, the U.S. women’s national head coach Vlatko Andonovski will have an opportunity to watch his team three more times before he names his roster for the Summer Games.

The Americans will take on Portugal at BBVA Stadium in Houston Thursday in the first of three matches at the 2021 WNT Summer Series. Broadcast coverage of USA-Portugal begins at 8 p.m. ET on FS1 with official kickoff slated for 8:38 p.m. ET.

Jamaica and Nigeria will meet in the opening match of the Summer Series earlier in the day, with kickoff of that match – which will be streamed live on – at 5:38 p.m. ET.

The top-ranked team in the world, the USA heads into the Summer Series on a 39-game unbeaten streak, the third-longest such streak in team history. Through eight games in 2021, the USA has outscored the opposition 22-1, thanks to a well-balanced attack that has seen 11 different players find the back of the net and a staunch defense that has allowed just eight total shots on goal this year.

Following the game against Portugal, the USA will return to action in Houston on Sunday, taking on Concacaf foe Jamaica on June 13 (10 p.m. ET on FS1).

Andonovski called up 23 players for the three games of the Summer Series, while forward Tobin Heath is also in camp as a training player as she continues her comeback from a knee injury.

Nine of the 23 players on the USA’s Summer Series roster have experience in the Olympic Games, while 15 were members of the 2019 Women’s World Cup champions. The Summer Series roster features 20 National Women’s Soccer League players players and three from clubs in Europe.

U.S. roster

GOALKEEPERS (3): Jane Campbell (Houston Dash; 5), Adrianna Franch (Portland Thorns; 4), Alyssa Naeher (Chicago Red Stars; 69)

DEFENDERS (8): Alana Cook (OL Reign, 2/0), Abby Dahlkemper (Manchester City, ENG; 66/0), Tierna Davidson (Chicago Red Stars; 29/1), Crystal Dunn (Portland Thorns FC; 111/24), Kelley O’Hara (Washington Spirit; 136/2), Margaret Purce (NJ/NY Gotham FC; 6/1), Becky Sauerbrunn (Portland Thorns FC; 184/0), Emily Sonnett (Washington Spirit; 51/0)

MIDFIELDERS (6): Lindsey Horan (Portland Thorns FC; 93/20), Rose Lavelle (OL Reign; 53/14), Catarina Macario (Olympique Lyonnais, FRA; 3/1), Kristie Mewis (Houston Dash; 22/4), Samantha Mewis (North Carolina Courage; 72/21), Andi Sullivan (Washington Spirit; 16/0)

FORWARDS (6): Carli Lloyd (NJ/NY Gotham FC; 301/124), Alex Morgan (Orlando Pride; 175/109), Christen Press (Manchester United, ENG; 144/60), Megan Rapinoe (OL Reign; 175/59), Sophia Smith (Portland Thorns FC; 4/0), Lynn Williams (North Carolina Courage; 34/10)

Portugal roster

GOALKEEPERS (3):  1-Inês Pereira (Sporting Lisbon), 12-Bárbara Santos (Maritimo SC), 22-Rute Costa (Famalicão FC)

DEFENDERS (7):  2-Catarina Amado, (Benfica), 3-Alícia Correia, (Sporting Lisbon), 4-Sílvia Rebelo (Benfica), 5-Joana Marchão (Sporting Lisbon), 15-Carole Costa (Benfica), 17-Mariana Azevedo (Famalicão FC), 19-Diana Gomes (S.C. Braga)

MIDFIELDERS (8): 6-Andreia Jacinto (Sporting Lisbon), 8-Andreia Norton (S.C. Braga), 11-Tatiana Pinto (Sporting Lisbon), 13-Fátima Pinto (Sporting Lisbon), 14-Dolores Silva (S.C. Braga), 18-Beatriz Cameirão (Benfica), 20-Lúcia Alves (Benfica), 21-Andreia Faria (Benfica)

FORWARDS (5): 7-Francisca Nazareth (Benfica), 9-Melissa Gomes (Stade de Reims, FRA), 10-Jéssica Silva (Kansas City NWSL, USA), 16-Diana Silva (Aston Villa, ENG), 23-Telma Encarnação (Maritimo SC)