The ATP Challenger Tour, known until the end of 2008 as the ATP Challenger Series, is a series of international men's professional tennis tournaments. It was founded in 1976 when it replaced the ILTF Satellite Circuit as the second tier of tennis. The Challenger Tour events are the second-highest tier of tennis competition, behind the ATP Tour. The ITF World Tennis Tour tournaments are on the entry-level of international professional tennis competition. The ATP Challenger Tour is administered by the Association of Tennis Professionals. Players who succeed on the ATP Challenger Tour earn sufficient ranking points to become eligible for main draw or qualifying draw entry at ATP Tour tournaments. Players on the Challenger Tour are usually young players looking to advance their careers, those who fail to qualify for ATP events, or former ATP players looking to get back into the big tour.
The San Luis Open also known as the San Luis Potosí Open is a professional tennis tournament played on outdoor red clay courts.
José Hernández-Fernández is a tennis coach and a former professional player from the Dominican Republic. He reached his highest singles ranking on the ATP Tour of World No. 179 in August 2015 and his highest doubles ranking of No. 206 in 2016.
The 1981 Monterrey WCT was a men's tennis tournament played on indoor carpet courts in Monterrey, Mexico. The event was part of the WCT Tour which was incorporated into the 1981 Volvo Grand Prix circuit. It was the third edition of the tournament and was held from January 19 through January 25, 1981. Fourth-seeded Johan Kriek won the singles title.
Maximilian Neuchrist is an Austrian professional tennis player who competes on the ATP Challenger and ITF Futures tour level.
Ernesto "Neto" Escobedo III is a Mexican-American professional tennis player who has a career high singles ranking of No. 67 achieved on 17 July 2017 and a doubles ranking of No. 296 achieved on 16 May 2022. He is currently the No. 2 Mexican player.
The Morelos Open is a professional tennis tournament played on outdoor hard courts. It is currently part of the ATP Challenger Tour and the International Tennis Federation (ITF) Women's Circuit. It is held annually in Cuernavaca, Mexico.
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.
Eduardo Vélez is a former professional tennis player from Mexico.
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 singles champion was Ernesto Escobedo.
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.
The CDMX Open was a professional tennis tournament played on clay courts. It was part of the ATP Challenger Tour. It was held in Mexico City, Mexico, in 2018.
The Voit Mexico City Open was a tennis tournament held in Mexico City, Mexico from 2004 until 2007. The event was part of the ATP Challenger Tour and was played on outdoor clay courts.
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.
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.
Thiago Agustín Tirante is an Argentine professional tennis player. He has a career-high ATP singles ranking of World No. 90 achieved on 15 April 2024 and a career-high doubles ranking of No. 257 achieved on 1 November 2021.
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.
Nuno Borges is a Portuguese professional tennis player. Borges has a career high ATP singles ranking of world No. 30 achieved on 9 September 2024 and a doubles ranking of No. 69 achieved on 19 September 2022. He is currently the No. 1 ranked Portuguese player.
The 2022 Monterrey Challenger was a professional tennis tournament played on hard courts. It was the twelfth edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Monterrey, Mexico from 7 to 13 March 2022.
The 2023 Monterrey Challenger was a professional tennis tournament played on hard courts. It was the thirteenth edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Monterrey, Mexico from 20 to 26 February 2023.
Nuno Borges 
André Göransson 
Ben McLachlan 
