Challenger Bordeaux 05/14 10:15 14 Gauthier Onclin v Duran, Guillermo 6-4,7-5
Braunchsweig, Germany 07/07 08:00 166 Duran, Guillermo v Guttau, Niklas 6-7,6-7
Challenger Campinas 09/29 13:55 45 [138] Duran, Guillermo v Pedro Sakamoto [441] 1-6,2-6
Challenger Szczecin 09/10 09:00 54 [334] Barrios Vera, Marcelo Tomas v Duran, Guillermo [147] 6-7,6-1,6-3
Challenger Szczecin 09/09 10:35 46 [146] Duran, Guillermo v Vanneste, Jeroen [386] 6-1,6-2
Challenger Szczecin 09/08 12:15 45 Duran, Guillermo v Nikita Mashtakov 7-5,5-7,7-6
Challenger Bordeaux Qual 05/12 11:45 45 Duran, Guillermo v Riffice, Sam 2-6,6-7
Challenger Aix en Provence Qual 05/06 09:00 46 [74] Duran, Guillermo v Antoine Escoffier [384] 3-6,2-6
Challenger Aix en Provence Qual 05/05 08:30 45 [485] Geens, Clement v Duran, Guillermo [74] 3-6,2-6
Challenger Francavilla Qual 04/21 14:15 45 [243] Antoine Hoang v Duran, Guillermo [74] 6-2,6-3
Orleans, France 09/26 14:00 25 [81] Mikhail Kukushkin v Duran, Guillermo [63] 6-1,6-3
Orleans, France, Qualifying 09/24 11:00 54 [68] Duran, Guillermo v Lescure, Mick [463] 2-6,6-4,6-2
Orleans, France, Qualifying 09/23 14:15 46 [187] Alex De Minaur v Duran, Guillermo [68] 3-6,3-6
ATP Metz Qual 09/17 11:30 45 Duran, Guillermo v Ugo Humbert 6-2,1-6,6-7
Challenger Szczecin 09/12 15:00 25 [149] Janowicz, Jerzy v Duran, Guillermo [68] 6-4,6-1
Challenger Szczecin Qual 09/11 10:30 54 [68] Duran, Guillermo v Bury, Aliaksandr [114] 6-1,6-3
Challenger Szczecin Qual 09/10 10:00 46 [430] Maxime Chazal v Duran, Guillermo [70] 2-6,4-6
Challenger Szczecin Qual 09/09 14:10 45 Piotr Grynkowski v Duran, Guillermo 4-6,2-6
Challenger Bordeaux Qual 05/15 08:00 54 [86] Duran, Guillermo v Mackenzie McDonald [231] 2-6,0-6
Challenger Bordeaux Qual 05/14 11:00 46 [202] Nicolas Jarry v Duran, Guillermo [87] Retired
Challenger Bordeaux Qual 05/13 15:10 45 [87] Duran, Guillermo v Michon, Axel [324] 2-6,7-5,6-1
Challenger Aix en Provence Qual 05/08 10:30 54 Elliot Benchetrit v Duran, Guillermo 6-1,7-6
Challenger Aix en Provence Qual 05/07 14:40 46 Duran, Guillermo v Hugo Nys 6-2,6-1
Challenger Aix en Provence Qual 05/07 08:05 45 Duran, Guillermo v Jouan, Romain 6-4,6-2
Challenger Szczecin Qual 09/10 12:35 45 Reister, Julian v Duran, Guillermo 6-3,6-2
Marrakech, Morocco, Qualifying 04/02 13:25 45 Maxime Chazal v Duran, Guillermo 6-2,6-7,6-2
Challenger - Savannah 04/21 21:15 25 Duran, Guillermo v Tennys Sandgren 5-7,6-4,6-7
Challenger Savannah Qual 04/20 15:00 44 Duran, Guillermo v Garanganga, Takanyi 6-2,6-3
Challenger Leon Qual 04/06 16:30 44 Barrientos, Nicolas v Duran, Guillermo 6-4,6-3
Challenger San Luis Potosi Qual 03/30 19:00 44 Duran, Guillermo v Juan Sebastian Gomez 6-3,1-6,4-6