The 2010 BMW Ljubljana Open was a professional tennis tournament played on outdoor hard courts. It was part of the 2010 ATP Challenger Tour. It took place in Ljubljana, Slovenia between September 20 and 26, 2010.
The 2011 BH Telecom Indoors was a professional tennis tournament played on hard courts. It was the ninth edition of the tournament which was part of the 2011 ATP Challenger Tour. It took place in Sarajevo, Bosnia and Herzegovina between 7 and 13 March 2011.
The 2011 Rijeka Open was a professional tennis tournament played on clay courts. It was the fifth edition of the tournament which was part of the 2011 ATP Challenger Tour. It took place in Rijeka, Croatia between 30 May and 5 June 2011.
The 2011 Banja Luka Challenger was a professional tennis tournament played on clay courts. It was the tenth edition of the tournament which was part of the 2011 ATP Challenger Tour. It took place in Banja Luka, Bosnia and Herzegovina between 12 and 18 September 2011.
The 2012 Aberto Santa Catarina de Tenis was a professional tennis tournament played on clay courts. It was the seventh edition of the tournament which was part of the 2012 ATP Challenger Tour. It took place in Blumenau, Brazil between 9 and 15 April 2012.
The 2012 BRD Arad Challenger was a professional tennis tournament played on clay courts. It was the second edition of the tournament which was part of the 2012 ATP Challenger Tour. It took place in Arad, Romania between 2 and 8 July 2012.
The 2012 Guzzini Challenger was a professional tennis tournament played on hard courts. It was the tenth edition of the tournament which was part of the 2012 ATP Challenger Tour. It took place in Recanati, Italy between 16 and 22 July 2012.
The 2013 ATP China International Tennis Challenge – Anning was a professional tennis tournament played on clay courts. It was the second edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Anning, China between 29 April and 5 May 2013.
The 2014 ATP Vegeta Croatia Open Umag was a men's tennis tournament played on outdoor clay courts. It was the 25th edition of the Croatia Open, and was part of the ATP World Tour 250 Series of the 2014 ATP World Tour. It took place at the International Tennis Center in Umag, Croatia, from 21 July through 27 July 2014. Unseeded Pablo Cuevas, who entered the main draw as a qualifier, won the singles title.
The 2014 Banja Luka Challenger was a professional tennis tournament played on clay courts. It was the thirteenth edition of the tournament which was part of the 2014 ATP Challenger Tour. It took place in Banja Luka, Bosnia and Herzegovina from 8 to 14 September 2014.
The 2014 Morocco Tennis Tour – Kenitra was a professional tennis tournament played on clay courts. It was the 2nd edition of the tournament which was part of the 2014 ATP Challenger Tour. It took place in Kenitra, Morocco between 22 and 27 September.
The 2015 ATP Challenger Torino was a professional tennis tournament played on clay courts. It was the first edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Turin, Italy between 27 April and 3 May.
The 2015 Croatia Open Umag was a men's tennis tournament played on outdoor clay courts. It was the 26th edition of the Croatia Open, and part of the ATP World Tour 250 Series of the 2015 ATP World Tour. It took place at the International Tennis Center in Umag, Croatia, from 20 July through 26 July 2015.
The 2015 San Benedetto Tennis Cup is a professional tennis tournaments played on clay courts. It is the 11th edition of the tournament which is part of the 2015 ATP Challenger Tour, offering a total of €64,000+H in prize money. The event takes place in San Benedetto del Tronto, Italy, from 11 to 20 July 2015, including two days of qualifying competition.
The 2015 Internazionali di Tennis del Friuli Venezia Giulia was a professional tennis tournament played on clay courts. It was the eleventh edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Cordenons, Italy between 15 and 23 August 2015.
The 2016 Morocco Tennis Tour – Mohammedia was a professional tennis tournament played on clay courts. It was the third edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Mohammedia, Morocco between 3 and 8 October 2016.
The 2016 Morocco Tennis Tour – Casablanca II was a professional tennis tournament played on clay courts. It was the second edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Casablanca, Morocco, between 10 and 15 October 2016.
The 2017 Trofeo Faip–Perrel was the twelfth edition of a professional tennis tournament played on hard courts. It was part of the 2017 ATP Challenger Tour, and took place in Bergamo, Italy between 20 and 26 February 2016.
Players and pairs who neither have high enough rankings nor receive wild cards may participate in a qualifying tournament held one week before the annual Wimbledon Tennis Championships.
This was a doubles tennis event in a professional tennis tournament held in Biella, Italy, in the summer of 2017.
Croatia 
