Felix Auger-Aliassime is back in the final of the Stuttgart Open and will play Marin Cilic after both came through the semifinals on Saturday.

Third-seeded Auger-Aliassime defeated American Sam Querrey 6-4, 7-5, and Cilic progressed when Jurij Rodionov retired due to injury when Cilic was leading 6-3, 1-0.

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Sam Querrey of the United States returns the ball to Felix Auger-Aliassime of Canada during his semi final match at the ATP tennis tournament in Stuttgart, Germany, Saturday, June 12, 2021. (Marijan Muratdpa via AP)

Felix Auger-Aliassime is back in the final of the Stuttgart Open and will play Marin Cilic after both came through the semifinals on Saturday.

Felix Auger-Aliassime of Canada reacts after winning his semi final match against Sam Querrey of the United States at the ATP tennis tournament in Stuttgart, Germany, Saturday, June 12, 2021. (Marijan Muratdpa via AP)

Auger-Aliassime will be going for his first title in his eighth final altogether. The Canadian lost the 2019 final in Stuttgart to Matteo Berrettini. On Saturday, he did not face a break point, and hit 13 aces to beat Querrey.

Sam Querrey of the United States reacts during his semi final match against Felix Auger-Aliassime of Canada at the ATP tennis tournament in Stuttgart, Germany, Saturday, June 12, 2021. (Marijan Muratdpa via AP)

Sam Querrey of the United States reacts during his semi final match against Felix Auger-Aliassime of Canada at the ATP tennis tournament in Stuttgart, Germany, Saturday, June 12, 2021. (Marijan Muratdpa via AP)

Yuri Rodionov of Austria returns the ball to Marin Cilic of Croatia during his semi final match at the ATP tennis tournament in Stuttgart, Germany, Saturday, June 12, 2021. (Marijan Muratdpa via AP)

Yuri Rodionov of Austria returns the ball to Marin Cilic of Croatia during his semi final match at the ATP tennis tournament in Stuttgart, Germany, Saturday, June 12, 2021. (Marijan Muratdpa via AP)

Marin Cilic from Croatia returns the ball to Yuri Rodionov of Austria during his semi final match at the ATP tennis tournament in Stuttgart, Germany, Saturday, June 12, 2021. (Marijan Muratdpa via AP)

Marin Cilic from Croatia returns the ball to Yuri Rodionov of Austria during his semi final match at the ATP tennis tournament in Stuttgart, Germany, Saturday, June 12, 2021. (Marijan Muratdpa via AP)

Former U.S. Open champion Cilic is going for his first title since 2019 at Queen’s Club.

Sam Querrey of the United States returns the ball to Felix Auger-Aliassime of Canada during his semi final match at the ATP tennis tournament in Stuttgart, Germany, Saturday, June 12, 2021. (Marijan Muratdpa via AP)

Sam Querrey of the United States returns the ball to Felix Auger-Aliassime of Canada during his semi final match at the ATP tennis tournament in Stuttgart, Germany, Saturday, June 12, 2021. (Marijan Muratdpa via AP)

Auger-Aliassime will be going for his first title in his eighth final altogether. The Canadian lost the 2019 final in Stuttgart to Matteo Berrettini. On Saturday, he did not face a break point, and hit 13 aces to beat Querrey.

Cilic won both previous meetings with Auger-Aliassime. Sunday's match will be their first meeting on grass.

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Felix Auger-Aliassime of Canada reacts after winning his semi final match against Sam Querrey of the United States at the ATP tennis tournament in Stuttgart, Germany, Saturday, June 12, 2021. (Marijan Muratdpa via AP)

Felix Auger-Aliassime of Canada reacts after winning his semi final match against Sam Querrey of the United States at the ATP tennis tournament in Stuttgart, Germany, Saturday, June 12, 2021. (Marijan Muratdpa via AP)

Sam Querrey of the United States reacts during his semi final match against Felix Auger-Aliassime of Canada at the ATP tennis tournament in Stuttgart, Germany, Saturday, June 12, 2021. (Marijan Muratdpa via AP)

Sam Querrey of the United States reacts during his semi final match against Felix Auger-Aliassime of Canada at the ATP tennis tournament in Stuttgart, Germany, Saturday, June 12, 2021. (Marijan Muratdpa via AP)

Yuri Rodionov of Austria returns the ball to Marin Cilic of Croatia during his semi final match at the ATP tennis tournament in Stuttgart, Germany, Saturday, June 12, 2021. (Marijan Muratdpa via AP)

Yuri Rodionov of Austria returns the ball to Marin Cilic of Croatia during his semi final match at the ATP tennis tournament in Stuttgart, Germany, Saturday, June 12, 2021. (Marijan Muratdpa via AP)

Marin Cilic from Croatia returns the ball to Yuri Rodionov of Austria during his semi final match at the ATP tennis tournament in Stuttgart, Germany, Saturday, June 12, 2021. (Marijan Muratdpa via AP)

Marin Cilic from Croatia returns the ball to Yuri Rodionov of Austria during his semi final match at the ATP tennis tournament in Stuttgart, Germany, Saturday, June 12, 2021. (Marijan Muratdpa via AP)