2019 U.S. Men's Clay Court Championships
The 2019 U.S. Men's Clay Court Championships was a tennis tournament played on outdoor clay courts. It was the 51st edition of the U.S. Men's Clay Court Championships, and an ATP World 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.Seeds
- Rankings are as of April 1, 2019.
Other entrants
The following players received wildcards into the main draw:
The following players received entry via the qualifying draw:
;Before the tournament
Seeds
- Rankings are as of April 1, 2019.
Other entrants
The following pairs received wildcards into the doubles main draw:
;During the tournament
Singles
- Christian Garín def. Casper Ruud, 7–6, 4–6, 6–3
Doubles
- Santiago González / Aisam-ul-Haq Qureshi def. Ken Skupski / Neal Skupski, 3–6, 6–4,
