2018 Columbus Challenger

{{Infobox tennis event|2018|Columbus Challenger|

| date= 17–23 September

| edition=5th

| draw=32S / 16D

| surface=Hard / Indoors

| location=Columbus, United States

| champs={{flagicon|USA}} Michael Mmoh

| champd={{flagicon|USA}} Tommy Paul / {{flagicon|CAN}} Peter Polansky

}}

The 2018 Columbus Challenger was a professional tennis tournament played on indoor hard courts. It was the fifth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Columbus, United States between 17 and 23 September 2018.

Singles main draw entrants

=Seeds=

class="sortable wikitable"
width="70"| Country

! width="175"| Player

! Rank1

! Seed

{{flag|AUS}}

|Jordan Thompson

|111

|1

{{flag|CAN}}

|Peter Polansky

|112

|2

{{flag|USA}}

|Michael Mmoh

|122

|3

{{flag|USA}}

|Reilly Opelka

|143

|4

{{flag|GER}}

|Dominik Köpfer

|188

|5

{{flag|AUS}}

|Alexei Popyrin

|194

|6

{{flag|ECU}}

|Roberto Quiroz

|213

|7

{{flag|AUS}}

|Maverick Banes

|220

|8

  • 1 Rankings are as of September 10, 2018.

=Other entrants=

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

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

The following players received entry from the qualifying draw:

The following player received entry as a lucky loser:

Champions

=Singles=

{{main|2018 Columbus Challenger – Singles}}

=Doubles=

{{main|2018 Columbus Challenger – Doubles}}