2018 Columbus Challenger

Country	Player	Rank1	Seed
AUS	Jordan Thompson	111	1
CAN	Peter Polansky	112	2
USA	Michael Mmoh	122	3
USA	Reilly Opelka	143	4
GER	Dominik Köpfer	188	5
AUS	Alexei Popyrin	194	6
ECU	Roberto Quiroz	213	7
AUS	Maverick Banes	220	8

• ¹ Rankings are as of September 10, 2018.

The following players received entry into the singles main draw as wildcards:

• Martin Joyce
• John McNally
• Mikael Torpegaard
• J. J. Wolf

The following player received entry into the singles main draw as a special exempt:

• James Duckworth

The following players received entry from the qualifying draw:

• Thai-Son Kwiatkowski
• Luke Saville
• Ryan Shane
• Evan Song

The following player received entry as a lucky loser:

• David Pérez Sanz

• Michael Mmoh def. Jordan Thompson 6–3, 7–6^(7–4).

• Tommy Paul / Peter Polansky def. Gonzalo Escobar / Roberto Quiroz 6–3, 6–3.

• Official website