The 2011 Zagreb Open was a professional tennis tournament played on outdoor red clay courts. This event was the 16th edition of the tournament and was part of the 2011 ATP Challenger Tour and 2011 ITF Women's Circuit. It took place in Zagreb, Croatia May 9–16, 2011.
The 2012 Arimex ATP Challenger Trophy was a professional tennis tournament played on clay courts. It was the sixth edition of the tournament which was part of the 2012 ATP Challenger Tour. It took place in Trnava, Slovakia between 17 and 23 September 2012.
The 2013 Seguros Bolívar Open Bucaramanga was a professional tennis tournament played on hard courts. It was the fifth edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Bucaramanga, Colombia between 23 and 29 January 2013.
The 2013 Torneo Internacional AGT was a professional tennis tournament played on hard courts. It was the eleventh edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in León, Mexico between 1 and 7 April 2013.
The 2013 Prosperita Open was a professional tennis tournament played on clay courts. It was the tenth edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Ostrava, Czech Republic between 29 April and 5 May 2013.
The 2013 BRD Arad Challenger was a professional tennis tournament played on clay courts. It was the third edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Arad, Romania between 3 and 9 June 2013.
The 2015 Poznań Open was a professional tennis tournament played on clay courts. It was the twelfth edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place at the Park Tenisowy Olimpia in Poznań, Poland from 11 to 19 July 2015, including the qualifying competition in the first two days. The tournament had its prize money increased to €64,000 + Hospitality, and thus offered 100 ATP Ranking points for singles and doubles winners.
The 2014 Sarasota Open was a professional tennis tournament played on clay courts. It was the sixth edition of the tournament which was part of the 2014 ATP Challenger Tour. It took place in Sarasota, Florida, United States between 14 and 20 April 2014.
The 2014 Marburg Open was a professional tennis tournament played on clay courts. It was the fifth edition of the tournament which was part of the 2014 ATP Challenger Tour. It took place in Marburg, Germany between 23 and 29 June 2014.
The 2014 San Marino GO&FUN Open was a professional tennis tournament played on clay courts. The 27th edition of the tournament, which was part of the 2014 ATP Challenger Tour, took place in City of San Marino, San Marino between 4 and 10 August 2014.
The 2016 Croatia Open Umag was a men's tennis tournament played on outdoor clay courts. It was the 27th edition of the Croatia Open, and part of the ATP World Tour 250 Series of the 2016 ATP World Tour. It took place at the International Tennis Center in Umag, Croatia, from 18 July through 24 July 2016.
The 2015 Open d'Orléans was a professional tennis tournament played on hard courts. It was the eleventh edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Orléans, France, between 28 September and 4 October 2015.
The 2016 Open d'Orléans was a professional tennis tournament played on indoor hard courts. It was the twelfth edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Orléans, France between 26 September and 2 October 2016.
The 2017 Hungarian Challenger Open is a professional tennis tournament played on indoor hard courts. It is the second edition of the tournament and is a part of the 2017 ATP Challenger Tour. It takes place in Budapest, Hungary between 6 and 12 February 2017.
The 2017 Pingshan Open was a professional tennis tournament played on outdoor hard courts. It was the fourth (ATP) and third (ITF) editions of the tournament and was part of the 2017 ATP Challenger Tour and the 2017 ITF Women's Circuit, offering $75,000+H (ATP) and $60,000 (ITF) in prize money. It was held in Shenzhen, China, from 13–19 March 2017.
The 2017 Verrazzano Open was a professional tennis tournament played on clay courts. It was the first edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Sophia Antipolis, France between 3 and 9 April 2017.
The 2017 Prosperita Open was a professional tennis tournament played on clay courts. It was the 14th edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Ostrava, Czech Republic between 1 and 7 May.
The 2017 Tilia Slovenia Open was a professional tennis tournament played on hard courts. It was the fifth edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Portorož, Slovenia between 7 – 12 August 2017.
The 2017 Slovak Open was a professional tennis tournament played on indoor hard courts. It was the 18th edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Bratislava, Slovakia between 6 and 12 November 2017.
The 2018 Croatia Open Umag was a men's tennis tournament played on outdoor clay courts. It was the 29th edition of the Croatia Open, and part of the ATP World Tour 250 Series of the 2018 ATP World Tour. It took place at the International Tennis Center in Umag, Croatia, from 15 July through 22 July 2018.
Guido Andreozzi 
Ariel Behar / 
Giovanni Lapentti 
