| 2018 Monterrey Challenger | |
|---|---|
| Date | 1–7 October |
| Edition | 9th |
| Draw | 32S / 16D |
| Surface | Hard |
| Location | Monterrey, Mexico |
| Champions | |
| Singles | |
 David Ferrer | |
| Doubles | |
 Marcelo Arévalo /  Jeevan Nedunchezhiyan | |
The 2018 Monterrey Challenger was a professional tennis tournament played on hard courts. It was the ninth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Monterrey, Mexico from 1 to 7 October 2018.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| ESP | Marcel Granollers | 104 | 1 |
 USA | |||
 ITA | Paolo Lorenzi | 113 | 3 |
| ESP | Adrián Menéndez Maceiras | 121 | 4 |
 CRO | Ivo Karlović | 137 | 5 |
| ESP | David Ferrer | 149 | 6 |
 AUT | Gerald Melzer | 153 | 7 |
| ESP | Pedro Martínez | 174 | 8 |
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw using a protected ranking:
The following players received entry from the qualifying draw:
Harrison Adams
Gonzalo Escobar 
Pavel Krainik
Zsombor Piros The following player received entry as a lucky loser:
David Ferrer def. Ivo Karlović 6–3, 6–4. Marcelo Arévalo / Jeevan Nedunchezhiyan def. Leander Paes / 
Miguel Ángel Reyes-Varela 6–1, 6–4.The 2015 Monterrey Challenger was a professional tennis tournament played on hard courts. It was the sixth edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Monterrey, Mexico from 26 to 31 of October 2015.
The 2016 Monterrey Challenger was a professional tennis tournament played on hard courts. It was the seventh edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Monterrey, Mexico from 10 to 15 of October 2016.
The 2017 Monterrey Challenger was a professional tennis tournament played on hard courts. It was the eighth edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Monterrey, Mexico from 2 to 8 October 2017.
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The 2019 Monterrey Challenger was a professional tennis tournament played on hard courts. It was the tenth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Monterrey, Mexico from 1 to 7 April 2019.
The 2019 Kentucky Bank Tennis Championships was a professional tennis tournament played on outdoor hard courts. It was the 24th (ATP) and 22nd (ITF) editions of the tournament and was part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in Lexington, the United States, from 29 July–to 4 August 2019.
The 2020 Monterrey Challenger was a professional tennis tournament played on hard courts. It was the eleventh edition of the tournament which was part of the 2020 ATP Challenger Tour. It took place in Monterrey, Mexico from 2 to 8 March 2020.
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