| 2021 Columbus Challenger | |
|---|---|
| Date | 20–26 September |
| Edition | 10th (men) 1st (women) |
| Category | ATP Challenger 80 (men) WTA 125 (women) |
| Draw | 32S / 16D |
| Prize money | $52,080 (men) $115,000 (women) |
| Surface | Hard (Indoor) |
| Location | Columbus, United States |
| Venue | Ohio State Varsity Tennis Center |
| Champions | |
| Men's singles | |
 Stefan Kozlov | |
| Women's singles | |
 Nuria Párrizas Díaz | |
| Men's doubles | |
Stefan Kozlov /  Peter Polansky | |
| Women's doubles | |
 Wang Xinyu / Zheng Saisai | |
The 2021 Columbus Challenger was a professional challenger level tennis tournament played on indoor hard courts. It was the tenth edition of the men's tournament which was part of the 2021 ATP Challenger Tour[1] and the first edition of the women's event, that was part of 2021 WTA 125K series.[2] It took place in Columbus, United States between 20 and 26 September 2021.
- ^ "Tennis Ohio Championships Overview". atptour.com.
- ^ "Columbus WTA 125 Overview". Women's Tennis Association. Retrieved 2021-09-09.