| 2020 Columbus Challenger | |
|---|---|
| Date | 24 February – 1 March |
| Edition | 9th |
| Draw | 48S / 16D |
| Surface | Hard |
| Location | Columbus, United States |
| Champions | |
| Singles | |
 J. J. Wolf | |
| Doubles | |
 Treat Huey / Nathaniel Lammons | |
The 2020 Columbus Challenger was a professional tennis tournament played on hard courts. It was the ninth edition of the tournament which was part of the 2020 ATP Challenger Tour. It took place in Columbus, United States between 24 February and 1 March 2020.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 AUS | Christopher O'Connell | 115 | 1 |
| AUS | Marc Polmans | 120 | 2 |
 GER | Cedrik-Marcel Stebe | 147 | 3 |
 ECU | Emilio Gómez | 148 | 4 |
 UZB | Denis Istomin | 164 | 5 |
| USA | J. J. Wolf | 165 | 6 |
 ISR | Dudi Sela | 167 | 7 |
 DEN | Mikael Torpegaard | 177 | 8 |
 IND | Ramkumar Ramanathan | 179 | 9 |
 CAN | Peter Polansky | 186 | 10 |
| AUS | Andrew Harris | 190 | 11 |
| AUS | Jason Kubler | 229 | 12 |
 AUT | Jurij Rodionov | 230 | 13 |
 ARG | Juan Pablo Ficovich | 231 | 14 |
 KOR | Nam Ji-sung | 242 | 15 |
| AUS | Aleksandar Vukic | 251 | 16 |
The following players received entry into the singles main draw as wildcards:
Justin Boulais Alexander Brown Cannon Kingsley Peter Kobelt John McNally The following players received entry into the singles main draw as alternates:
Alexander Cozbinov Strong Kirchheimer Austin Rapp
Ruan Roelofse The following players received entry from the qualifying draw:
J. J. Wolf def. Denis Istomin 6–4, 6–2. Treat Huey / Nathaniel Lammons def. 
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