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