2019 U.S. Men's Clay Court Championships

The 2019 U.S. Men's Clay Court Championships (also known as the Fayez Sarofim & Co. U.S. Men's Clay Court Championships for sponsorship purposes) was a men's tennis tournament played on outdoor clay courts. It was the 51st edition of the U.S. Men's Clay Court Championships, and an ATP Tour 250 event on the 2019 ATP Tour. It took place at River Oaks Country Club in Houston, Texas, United States, from April 8 through April 14, 2019.

Singles

 * Cristian Garín defeated 🇳🇴 Casper Ruud, 7–6(7–4), 4–6, 6–3

Doubles

 * 🇲🇽 Santiago González / 🇵🇰 Aisam-ul-Haq Qureshi defeated 🇬🇧 Ken Skupski / 🇬🇧 Neal Skupski, 3–6, 6–4, [10–6]

Seeds

 * Rankings are as of April 1, 2019.

Other entrants
The following players received wildcards into the main draw:
 * 🇺🇸 Bjorn Fratangelo
 * 🇺🇸 Noah Rubin
 * 🇷🇸 Janko Tipsarević

The following players received entry via the qualifying draw:
 * 🇨🇴 Daniel Elahi Galán
 * 🇨🇴 Santiago Giraldo
 * 🇷🇸 Peđa Krstin
 * Henri Laaksonen

Withdrawals

 * Before the tournament
 * 🇺🇸 John Isner → replaced by 🇪🇸 Marcel Granollers
 * 🇦🇺 Nick Kyrgios → replaced by 🇮🇹 Paolo Lorenzi
 * 🇯🇵 Yoshihito Nishioka → replaced by 🇳🇴 Casper Ruud

Seeds

 * Rankings are as of April 1, 2019.

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇺🇸 Robert Galloway / 🇺🇸 Nathaniel Lammons
 * 🇦🇺 Lleyton Hewitt / 🇦🇺 Jordan Thompson

Withdrawals

 * During the tournament
 * 🇺🇸 Taylor Fritz