World No. 1 Rafael Nadal backs up his 11th triumph in Monte-Carlo with an 11th title in Barcelona.

Rafael Nadal is the champion in Barcelona for the 11th time, not dropping a set en route to the title.

Rafael Nadal celebrates his 11th title at the Trofeo Conde de Godo in Barcelona.

Feliciano Lopez and Marc Lopez become the first Spanish doubles team in 21 years to win the Barcelona Open Banc Sabadell title on Sunday.

Marc Lopez and Feliciano Lopez win their third team title at the Barcelona Open Banc Sabadell, defeating Aisam-Ul-Haq Qureshi and Jean-Julien Rojer in straight sets.

Rafael Nadal celebrates an 11th title at the Barcelona Open Banc Sabadell.

Feliciano Lopez and Marc Lopez defeat Aisam-Ul-Haq Qureshi and Jean-Julien Rojer to win the Barcelona Open Banc Sabadell on Sunday.

World No. 1 extends his clay-court winning streak to 44 consecutive sets with a victory against Belgian David Goffin on Saturday.

Stefanos Tsitsipas defeats Pablo Carreno Busta to reach his first ATP World Tour final at the Barcelona Open Banc Sabadell on Saturday.

#NextGenATP Greek Stefanos Tsitsipas, despite losing his tennis shoe, wins his fifth match in Barcelona without dropping a set.

David Goffin reaches his first Barcelona Open Banc Sabadell semi-final on Friday.

Pablo Carreno Busta celebrates reaching his first Barcelona semi-final on Friday.

Rafael Nadal wins the final three games of the second set against Martin Klizan to keep his sets-won streak alive on Friday in Barcelona.

Rafael Nadal is going for his 11th title this week at the Barcelona Open Banc Sabadell.

Rafael Nadal wins his 40th straight set on clay courts to move into the Barcelona quarter-finals on Thursday.

Grigor Dimitrov digs deep to save two match points on Thursday against Malek Jaziri in Barcelona.

Dominic Thiem saves five of eight break points to come through a tricky win over lucky loser Jozef Kovalik on Thursday in Barcelona.

#NextGenATP Stefanos Tsitsipas defeats seventh seed Diego Schwartzman in straight sets to book his place in the Barcelona Open Banc Sabadell third round on Wednesday.

Dominic Thiem defeats #NextGenATP star Jaume Munar to reach the Barcelona Open Banc Sabadell third round on Wednesday.

Rafael Nadal joined his uncle and former coach Toni Nadal for an on-court ceremony at the Barcelona Open Banc Sabadell, alongside Tournament Director Albert Costa, on Wednesday.

Rafael Nadal won his 37th and 38th consecutive sets on clay to beat Roberto Carballes Baena and extend his Open Era record streak on Wednesday.

Rafael Nadal began his quest for an 11th Barcelona Open Banc Sabadell title on Wednesday, beating countryman Roberto Carballes Baena in straight sets.

Rafael Nadal is going for his 11th Barcelona Open Banc Sabadell title this week.

Martin Klizan defeats Novak Djokovic in three sets to reach the Barcelona Open Banc Sabadell third round on Wednesday.

Grigor Dimitrov defeats Gilles Simon in 82 minutes to reach the Barcelona Open Banc Sabadell third round on Wednesday.

Grigor Dimitrov drops just three games to beat Gilles Simon at the Barcelona Open Banc Sabadell on Wednesday.

Rafael Nadal will go for his 11th Barcelona Open Banc Sabadell title this week.

David Goffin, left, and Roberto Bautista Agut enjoy a friendly game of mini tennis in Barcelona.

Novak Djokovic returns to Barcelona this week for only the second time in his career.

Twenty years on, still going strong: Ageless veteran Feliciano Lopez advances to the second round at the Barcelona Open Banc Sabadell.

Football player Gerard Pique, a center-back for Barcelona FC and the Spanish national team, takes in the action on Day 2 at the Barcelona Open Banc Sabadell.

David Goffin defeats Marcel Granollers, saving one match point, to reach the third round of the Barcelona Open Banc Sabadell on Tuesday.

Kei Nishikori jumped 14 spots in the ATP Rankings to No. 22 after reaching the Rolex Monte-Carlo Masters final (l. to Nadal).

Top 8 seeds David Goffin and Roberto Bautista Agut begin their Barcelona Open Banc Sabadell title bids on Tuesday.

Dominic Thiem, the 2017 runner-up in Barcelona, begins his tournament this year against Portugal's Joao Sousa or Spanish wild card Jaume Munar.

No. 8 seed Roberto Bautista Agut opens his Barcelona Open Banc Sabadell campaign Tuesday against 39-year-old Ivo Karlovic.

Rafael Nadal begins his 171st week at No. 1 in the ATP Rankings this week in Barcelona.

Ivo Karlovic, 39, saves two match points to extend his FedEx ATP Head2Head series record to 4-0 against Tommy Robredo on Monday.

Reigning Nitto ATP Finals champion Grigor Dimitrov is competing in Barcelona for the first time since 2013.

Marc Lopez and Marcel Granollers enjoyed their time in the DJ booth at the Barcelona Open Banc Sabadell players' party.

Last year's runner-up Dominic Thiem steps into the DJ booth at the Barcelona Open Banc Sabadell players' party.

Leonardo Mayer, Diego Schwartzman and Pablo Carreno Busta attended a tennis clinic with children ahead of the Barcelona Open Banc Sabadell on Sunday.

Tournament Director Albert Costa speaks to the world's media after the 2018 Barcelona Open Banc Sabadell draw ceremony on Saturday.

In Barcelona for the 18th time, Feliciano Lopez lends a hand at the draw ceremony.