Horacio Zeballos and Julio Peralta take part in the annual pool dive at the Houston tournament after winning the doubles title.

Julio Peralta and Horacio Zeballos celebrate their fourth ATP World Tour team doubles title in Houston.

Horacio Zeballos and Julio Peralta celebrate their first Houston team doubles title on Sunday.

Steve Johnson takes a celebratory dip after clinching the singles title in Houston.

Steve Johnson captures his first ATP World Tour singles title in Houston.

Thomaz Bellucci played five three-set matches in five days in Houston.

Steve Johnson is the last man standing in Houston.

Julio Peralta (L) and Horacio Zeballos were overjoyed at defeating the Bryan brothers to reach the doubles final in Houston.

Dustin Browns hugs Frances Tiafoe after reaching the doubles final in Houston.

Steve Johnson will try to win his first ATP World Tour title on clay.

Steve Johnson gains his second career win against Jack Sock in their FedEx ATP Head2Head series.

Thomaz Bellucci will try to win his first Houston title on Sunday.

The Bryan brothers have been racking up big wins on the ATP World Tour for three decades.

Ernesto Escobedo is enjoying a breakthrough week in Houston.

Jack Sock becomes the first 20-match winner on the ATP World Tour in 2017.

American Steve Johnson reaches his first ATP World Tour semi-final on clay.

Thomaz Bellucci advances to the Houston semi-finals.

#NextGenATP player Ernesto Escobedo reaches his first ATP World Tour semi-final in Houston.

Steve Johnson survives a tight contest against Dustin Brown in Houston on Thursday.

Fernando Verdasco reaches the quarter-finals in Houston.

American John Isner expresses relief after reaching the Houston quarter-finals.

Tommy Haas battles Jack Sock on Thursday in Houston.

Jack Sock improves to 19-5 on the season with his second-round victory against Tommy Haas.

#NextGenATP American Ernesto Escobedo wins his first ATP World Tour match on clay on Wednesday in Houston.

Thomaz Bellucci improves to 2-0 against Frances Tiafoe in their FedEx ATP Head2Head rivalry.