The 2023 Tyler Tennis Championships was a professional tennis tournament played on hard courts. It was the 1st edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Tyler, Texas, United States between June 5 and June 11, 2023.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 United States | Michael Mmoh | 123 | 1 | |
| Wu Tung-lin | 182 | 2 | ||
| United States | Nicolas Moreno de Alboran | 187 | 3 | |
 Australia | Marc Polmans | 194 | 4 | |
 France | Antoine Escoffier | 202 | 5 | |
 Tunisia | Aziz Dougaz | 220 | 6 | |
 Japan | ||||
 Argentina | Juan Pablo Ficovich | 228 | 8 |
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw using a protected ranking:
The following player received entry into the singles main draw as a special exempt:
The following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Christian LangmoSee main article: 2023 Tyler Tennis Championships – Singles.
Nicolas Moreno de Alboran def. 
Mikhail Kukushkin 6–7(8–10), 7–6(7–0), 6–4.See main article: 2023 Tyler Tennis Championships – Doubles.
Alex Bolt / Andrew Harris def. Evan King / Reese Stalder 6–1, 6–4.
