Sam Querrey

He defeated José Acasuso, the 27th seed, in the first round.

In the second round, he defeated Frenchman Florent Serra in straight sets, but in the third round lost to 7th seed Tommy Robredo in four sets.

Samuel Austin Querrey (born October 7, 1987) is an American professional pickleball and former tennis player.

Querrey was born in San Francisco and attended Thousand Oaks High School, graduating in 2006.

Querrey turned down a scholarship offer from the University of Southern California (USC) to turn pro.

His father Mike Querrey recommended that his son try making it in tennis, as he often regretted his own decision to attend the University of Arizona rather than play baseball for the Detroit Tigers, who had drafted him.

Querrey said that going pro was "one of the toughest decisions of my life. [...] I'd play a match and want to go pro. I'd lose and want to go to college."

On June 11, 2006, Querrey became the first player to win a challenger event in his pro debut.

He won in the Yuba City and Winnetka challengers.

He won his first-round match at the Indian Wells Masters tournament over Bobby Reynolds, before falling to James Blake in three sets.

He defeated American Vince Spadea at the Countrywide Classic in Los Angeles.

At the 2006 US Open, Querrey received a wildcard and defeated Philipp Kohlschreiber in straight sets, before falling to Gastón Gaudio in the second round.

At the 2007 Australian Open, he advanced to the third round.

At the 2007 Indianapolis Tennis Championships, he hit 10 consecutive aces when he defeated James Blake in the quarterfinals.

This is believed to be an Open Era record.

At the 2007 Western & Southern Open, he defeated thirteenth seed Mikhail Youzhny and advanced to the quarterfinals after defeating Argentina's Juan Mónaco, who had defeated Rafael Nadal in the previous round.

He lost to No. 9 seed James Blake, but made his top 50 debut at No. 47 afterwards.

At this time, Querrey was the third-ranked American behind Andy Roddick and Blake.

In August 2007 at the US Open, Austrian Stefan Koubek defeated Querrey in the first round.

He also reached the semifinals of the Davis Cup three times with the United States team, in 2008, 2012, and 2018.

In January 2008 at the Australian Open, Querrey defeated Belgian Olivier Rochus in the first round.

In the second round, he then beat Russian Dmitry Tursunov.

He lost in the third round to the eventual champion, Serbian Novak Djokovic.

In March, Querrey won his first ATP level tournament at the Tennis Channel Open in Las Vegas.

In the final, Querrey defeated qualifier Kevin Anderson of South Africa in three sets.

The next month, at the Monte-Carlo Masters, Querrey reached the quarterfinals, defeating former French Open champion Carlos Moyá, Andreas Seppi, and No. 7 seeded Richard Gasquet.

Querrey played tennis for the US at the Beijing Summer Olympics in 2008.

Querrey participated in the 2009 Heineken Open in Auckland, New Zealand in January, where he was the sixth seed.

Querrey made it to the final, where he was defeated in straight sets by top-seed Juan Martín del Potro.

In the 2009 Australian Open, Querrey lost in his opening round to Philipp Kohlschreiber.

In the SAP Open in San Jose, Querrey beat Cypriot wildcard Marcos Baghdatis in the opening match.

He was also a capable doubles player, with five ATP doubles titles and a career-high doubles ranking of No. 23 achieved on May 17, 2010.

He advanced to the fourth round of the US Open by defeating 14th seed Ivo Karlović of Croatia, where he was defeated in four sets by world No. 1 Rafael Nadal.

Querrey was tapped to play for the US in the Davis Cup semifinals against Spain as a replacement for James Blake, who had withdrawn citing exhaustion.

In Querrey's first-ever Davis Cup match, he lost to world No. 1 Rafael Nadal in four sets.

His best performance in a Grand Slam singles event was at the 2017 Wimbledon Championships, where he reached the semifinals after defeating world No. 1 Andy Murray in the quarterfinals to become the first American man to reach the last four of a Grand Slam in eight years.

At the same tournament the previous year, he defeated world No. 1 Novak Djokovic to reach the quarterfinals, ending his Grand Slam win streak of 4 in a row.

Other career highlights for Querrey include defeating former world number one Rafael Nadal in the Acapulco final of 2017, reaching the quarterfinals at the 2017 US Open and the 2019 Wimbledon Championships, and, in the 2015 US Open, reaching the mixed doubles final with Bethanie Mattek-Sands and the men's doubles semifinals with Steve Johnson.

He reached a career-high singles ranking of world No. 11 achieved on February 26, 2018, and won ten ATP singles titles.

Known for his powerful serve, Querrey holds the record for consecutive service aces in a match with 10.