| Singles | |
|---|---|
| 2017 Columbus Challenger | |
| Champion |  Ante Pavić |
| Runner-up |  Alexander Ward |
| Final score | 6–7(11–13), 6–4, 6–3 |
Stefan Kozlov was the defending champion but chose not to defend his title.
Ante Pavić won the title after defeating Alexander Ward 6–7(11–13), 6–4, 6–3 in the final.
Quentin Halys (quarterfinals)
Ramkumar Ramanathan (second round) Yuki Bhambri (first round, retired)
Denis Kudla (quarterfinals) Mackenzie McDonald (first round)
Brayden Schnur (first round) Dennis Novikov (semifinals)
Christian Garín (first round)| Semifinals | Final | ||||||||||||
| 7 | Dennis Novikov | 1 | 3 | ||||||||||
| PR | Alexander Ward | 6 | 6 | ||||||||||
| PR | Alexander Ward | 713 | 4 | 3 | |||||||||
| Alt | Ante Pavić | 611 | 6 | 6 | |||||||||
| PR | Frank Dancevic | 3 | 5 | ||||||||||
| Alt | Ante Pavić | 6 | 7 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | Q Halys | 3 | 77 | 6 | |||||||||||||||||||||||
| B Klein | 6 | 65 | 1 | 1 | Q Halys | 6 | 6 | ||||||||||||||||||||
| WC | J McNally | 6 | 3 | 3 | PR | K King | 3 | 2 | |||||||||||||||||||
| PR | K King | 4 | 6 | 6 | 1 | Q Halys | 1 | 6 | 4 | ||||||||||||||||||
| A Krajicek | 6 | 6 | 7 | D Novikov | 6 | 2 | 6 | ||||||||||||||||||||
| WC | Kyle Seelig | 4 | 2 | A Krajicek | 4 | 3 | |||||||||||||||||||||
| Q |  M Barton | 7 | 1 | 3 | 7 | D Novikov | 6 | 6 | |||||||||||||||||||
| 7 | D Novikov | 5 | 6 | 6 | 7 | D Novikov | 1 | 3 | |||||||||||||||||||
| 4 | D Kudla | 6 | 6 | PR | A Ward | 6 | 6 | ||||||||||||||||||||
 D Köpfer | 4 | 4 | 4 | D Kudla | 7 | 6 | |||||||||||||||||||||
| Q | L Bambridge | 4 | 2 | WC | JJ Wolf | 5 | 3 | ||||||||||||||||||||
| WC | JJ Wolf | 6 | 6 | 4 | D Kudla | 6 | 4 | 2 | |||||||||||||||||||
| P Gunneswaran | 64 | 61 | PR | A Ward | 3 | 6 | 6 | ||||||||||||||||||||
| WC | Martin Joyce | 77 | 77 | WC | M Joyce | 6 | 2 | 3 | |||||||||||||||||||
| PR | A Ward | 6 | 6 | PR | A Ward | 4 | 6 | 6 | |||||||||||||||||||
| 5 | M McDonald | 2 | 2 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | B Schnur | 6 | 3 | 65 | |||||||||||||||||||||||
| PR | F Dancevic | 4 | 6 | 77 | PR | F Dancevic | 6 | 6 | |||||||||||||||||||
| Q | Jared Hiltzik | 3 | 5 |  DE Galán | 0 | 2 | |||||||||||||||||||||
| DE Galán | 6 | 7 | PR | F Dancevic | 77 | 77 | |||||||||||||||||||||
| P Kobelt | 64 | 66 | E King | 65 | 64 | ||||||||||||||||||||||
| E King | 77 | 78 | E King | 6 | 77 | ||||||||||||||||||||||
 J Hernández-Fernández | 4 | 77 | 2 | J Hernández-Fernández | 4 | 61 | |||||||||||||||||||||
| 3 | Y Bhambri | 6 | 65 | 0r | PR | F Dancevic | 3 | 5 | |||||||||||||||||||
| 8 | C Garín | 4 | 3 | Alt | A Pavić | 6 | 7 | ||||||||||||||||||||
| Alt | A Pavić | 6 | 6 | Alt | A Pavić | 6 | 6 | ||||||||||||||||||||
| Q | A Vukic | 5 | 5 |  R Quiroz | 1 | 2 | |||||||||||||||||||||
| R Quiroz | 7 | 7 | Alt | A Pavić | 69 | 6 | 6 | ||||||||||||||||||||
 M Torpegaard | 62 | 4 | F Peliwo | 711 | 3 | 3 | |||||||||||||||||||||
| F Peliwo | 77 | 6 | F Peliwo | 6 | 6 | ||||||||||||||||||||||
| S Bangoura | 67 | 4 | 2 | R Ramanathan | 2 | 1 | |||||||||||||||||||||
| 2 | R Ramanathan | 79 | 6 | ||||||||||||||||||||||||
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