| 2019 Cleveland Open | |
|---|---|
| Date | 28 January – 3 February |
| Edition | 1st |
| Draw | 48S / 4Q / 16D |
| Surface | Hard |
| Location | Cleveland, United States |
| Champions | |
| Singles | |
 Maxime Cressy | |
| Doubles | |
 Romain Arneodo /  Andrei Vasilevski | |
The 2019 Cleveland Open was a professional tennis tournament played on hard courts. It was the first edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Cleveland, United States between January 28 and February 3, 2019.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 TPE | Jason Jung | 120 | 1 |
 SRB | Miomir Kecmanović | 125 | 2 |
| USA | Noah Rubin | 140 | 3 |
 GER | Dominik Köpfer | 160 | 4 |
 BAR | Darian King | 171 | 5 |
| USA | Tim Smyczek | 172 | 6 |
 ECU | Roberto Quiroz | 181 | 7 |
 CAN | Brayden Schnur | 196 | 8 |
 ESA | |||
| GER | Dustin Brown | 223 | 10 |
 BRA | Thomaz Bellucci | 225 | 11 |
| USA | Donald Young | 231 | 12 |
| CAN | Filip Peliwo | 240 | 13 |
| USA | Christian Harrison | 242 | 14 |
| USA | Marcos Giron | 249 | 15 |
 DOM | Roberto Cid Subervi | 250 | 16 |
The following players received wildcards into the singles main draw:
Felix Corwin Michael Redlicki Noah Rubin Ryan Shane J. J. Wolf The following players received entry into the singles main draw using their ITF World Tennis Ranking:
Gijs Brouwer 
Matías Franco Descotte 
Tom Jomby Louis Wessels The following players received entry from the qualifying draw:
Maxime Cressy Jared HiltzikThe following player received entry as a lucky loser:
Maxime Cressy def. 
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