2020 Columbus Challenger – Doubles
| Doubles | |
|---|---|
| 2020 Columbus Challenger | |
| Champions | |
| Runners-up | |
| Score | 7–6(7–3), 7–6(7–4) | 
Martin Redlicki and Jackson Withrow were the defending champions[1] but only Redlicki chose to defend his title, partnering Diego Hidalgo. Redlicki lost in the first round to Nam Ji-sung and Song Min-kyu.
Treat Huey and Nathaniel Lammons won the title after defeating Lloyd Glasspool and Alex Lawson 7–6(7–3), 7–6(7–4) in the final.
Seeds
 Nam Ji-sung / 
 Song Min-kyu (semifinals)
 John-Patrick Smith / 
 Sem Verbeek (first round)
 Robert Lindstedt / 
 Peter Polansky (withdrew)
 Treat Huey / 
 Nathaniel Lammons (champions)
Draw
Key
- Q = Qualifier
 - WC = Wild card
 - LL = Lucky loser
 - Alt = Alternate
 - ITF = ITF entry
 - PR = Protected ranking
 - SR = Special ranking
 - SE = Special exempt
 - JE = Junior exempt
 - JR = Junior Accelerator Programme entrant
 - CO = College Accelerator Programme entrant
 - NG = Next Gen Accelerator Program entrant
 - w/o = Walkover
 - r = Retired
 - d = Defaulted
 
| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | 6 | 6 | |||||||||||||||||||||||||
| 2 | 2 | 1 | 6 | 6 | |||||||||||||||||||||||
| 78 | 77 | 3 | 4 | ||||||||||||||||||||||||
| WC | 66 | 62 | 1 | 4 | 6 | [5] | |||||||||||||||||||||
| 4 | 7 | 6 | 4 | 6 | 4 | [10] | |||||||||||||||||||||
| WC | 5 | 4 | 4 | 6 | 6 | ||||||||||||||||||||||
| 6 | 6 | 3 | 2 | ||||||||||||||||||||||||
| 3 | 4 | 4 | 77 | 77 | |||||||||||||||||||||||
| 61 | 4 | 63 | 64 | ||||||||||||||||||||||||
| WC | 77 | 6 | WC | 6 | 63 | [6] | |||||||||||||||||||||
| 6 | 7 | 3 | 77 | [10] | |||||||||||||||||||||||
| Alt | 2 | 5 | 65 | 5 | |||||||||||||||||||||||
| 77 | 6 | 77 | 7 | ||||||||||||||||||||||||
| 64 | 3 | 3 | 4 | ||||||||||||||||||||||||
| 6 | 6 | 6 | 6 | ||||||||||||||||||||||||
| 2 | 3 | 4 | |||||||||||||||||||||||||