2018 Hungarian Challenger Open

{{Infobox tennis event|2018|Hungarian Challenger Open|

| date= 5–11 February

| edition=3rd

| surface=Hard (indoor)

| location=Budapest, Hungary

| champs= {{flagicon|CAN}} Vasek Pospisil

| champd= {{flagicon|CAN}} Félix Auger-Aliassime / {{flagicon|ESP}} Nicola Kuhn

}}

The 2018 Hungarian Challenger Open was a professional tennis tournament played on indoor hard courts. It was the third edition of the tournament and was a part of the 2018 ATP Challenger Tour. It took place in Budapest, Hungary between 5 and 11 February 2018.

Singles main-draw entrants

=Seeds=

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

! width="175"| Player

! Rank1

! Seed

{{flag|HUN}}

|Márton Fucsovics

|63

|1

{{flag|CAN}}

|Vasek Pospisil

|85

|2

{{flag|FRA}}

|Quentin Halys

|119

|3

{{flag|SWE}}

|Elias Ymer

|135

|4

{{flag|CAN}}

|Félix Auger-Aliassime

|163

|5

{{flag|EST}}

|Jürgen Zopp

|171

|6

{{flag|CRO}}

|Viktor Galović

|181

|7

{{flag|SRB}}

|Nikola Milojević

|183

|8

  • 1 Rankings are as of January 29, 2018.

=Other entrants=

The following players received wildcards into the singles main draw:

The following player received entry into the singles main draw as an alternate:

The following players received entry from the qualifying draw:

Champions

=Singles=

{{main|2018 Hungarian Challenger Open – Singles}}

=Doubles=

{{main|2018 Hungarian Challenger Open – Doubles}}