The 2019 RBC Tennis Championships of Dallas was a professional tennis tournament played on hard courts. It was the 22nd edition of the tournament and part of the 2019 ATP Challenger Tour. It took place in Dallas, United States between 4 and 10 February 2019.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Mackenzie McDonald | 82 | 1 | ||
| Reilly Opelka | 98 | 3 | ||
| Jason Jung | 115 | 4 | ||
 Serbia | Miomir Kecmanović | 118 | 5 | |
| Bjorn Fratangelo | 131 | 6 | ||
| Christopher Eubanks | 157 | 8 | ||
| Dominik Köpfer | 160 | 9 | ||
 Canada | Brayden Schnur | 164 | 10 | |
 Ecuador | Roberto Quiroz | 178 | 11 | |
| Tim Smyczek | 187 | 12 | ||
| Ernesto Escobedo | 206 | 13 | ||
| Mitchell Krueger | 209 | 14 | ||
 Brazil | Thomaz Bellucci | 223 | 15 | |
| Dustin Brown | 233 | 16 |
The following players received wildcards into the singles main draw:
Harrison Adams William Blumberg Evan King Alex Rybakov Evan ZhuThe following players received entry into the singles main draw using their ITF World Tennis Ranking:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers:
See main article: 2019 RBC Tennis Championships of Dallas – Singles.
Mitchell Krueger def. Mackenzie McDonald 4–6, 7–6(7–3), 6–1.See main article: 2019 RBC Tennis Championships of Dallas – Doubles.
Marcos Giron / Dennis Novikov def. Ante Pavić / Ruan Roelofse 6–4, 7–6(7–3).