| ITF M25 Idanha-A-Nova | 08/21 09:20 | 25 |
Benjamin Pietri
v
Daniel Vallejo 
|
4-6,3-6 | |
| Challenger Grodzisk Mazowiecki | 08/14 11:25 | 26 |
[233] Antoine Escoffier
v
Adolfo Daniel Vallejo [321]
|
6-4,6-0 | |
| Challenger Grodzisk Mazowiecki | 08/13 10:35 | 25 |
Adolfo Daniel Vallejo v
Marcel Kamrowski
|
7-5,6-2 | |
| Challenger Zug | 07/24 13:25 | 26 |
[319] Adolfo Daniel Vallejo v
Marko Topo
[460] |
6-4,3-6,3-6 | |
| Challenger Zug | 07/22 16:00 | 25 |
[176] Jurij Rodionov
v
Adolfo Daniel Vallejo [319]
|
3-6,4-6 | |
| Challenger Amersfoort | 07/14 15:40 | 14 |
[289] Adolfo Daniel Vallejo v
Tibo Colson
[449] |
6-7,3-6 | |
| Challenger Iasi | 07/13 13:00 | 28 |
[171] Hugo Dellien
v
Adolfo Daniel Vallejo [289]
|
7-6,6-2 | |
| Challenger Iasi | 07/12 13:25 | 27 |
[289] Adolfo Daniel Vallejo v
Martin Landaluce
[304] 
|
6-2,6-1 | |
| Challenger Iasi | 07/11 09:00 | 26 |
[139] Juan Manuel Cerundolo
v
Adolfo Daniel Vallejo [289]
|
3-6,3-6 | |
| Challenger Iasi | 07/09 10:05 | 25 |
[289] Adolfo Daniel Vallejo v
Alejo Lorenzo Lingua Lavallen
[383] |
6-4,6-4 | |
| Challenger Brasov | 07/01 13:25 | 25 |
[289] Adolfo Daniel Vallejo v
Nerman Fatic
[244] |
4-6,6-7 | |
| Davis Cup | 06/22 20:35 | 2 |
[290] Daniel Vallejo v
Roberto Cid Subervi
[444] |
4-6,3-6 | |
| Davis Cup | 06/21 20:30 | 2 |
Daniel Vallejo v
Christian Felipe Winstead
|
6-2,6-2 | |
| Davis Cup | 06/19 20:40 | 2 |
Adolfo Daniel Vallejo v
Justin Roberts
|
6-4,6-1 | |
| Davis Cup | 06/18 21:30 | 2 |
Daniel Vallejo v
Ricardo Rodriguez-Pace
|
6-2,6-0 | |
| Challenger Heilbronn | 06/04 11:15 | 25 |
[221] Henri Squire
v
Adolfo Daniel Vallejo [291]
|
6-3,6-2 | |
| ITF M25 Carnac | 05/31 12:30 | 28 |
Daniel Vallejo v
Maxime Chazal
|
6-4,3-6,6-7 | |
| ITF M25 Carnac | 05/31 08:00 | 27 |
Daniel Vallejo v
Alexander Klintcharov
|
6-4,6-2 | |
| ITF M25 Carnac | 05/30 11:30 | 26 |
Daniel Vallejo v
Maxence Beauge
|
6-4,7-6 | |
| ITF M25 Carnac | 05/28 11:05 | 25 |
Daniel Vallejo v
Antoni Fabre
|
6-4,0-6,6-2 | |
| Challenger Augsburg | 05/20 13:15 | 25 |
[462] Rodrigo Pacheco Mendez
v
Adolfo Daniel Vallejo [292]
|
6-4,6-3 | |
| Challenger Santos | 05/10 21:20 | 27 |
Adolfo Daniel Vallejo v
Alejo Lorenzo Lingua Lavallen
|
5-7,6-7 | |
| Challenger Santos | 05/09 20:05 | 26 |
Adolfo Daniel Vallejo v
Gonzalo Bueno
|
Walkover | |
| Challenger Santos | 05/07 18:30 | 25 |
Adolfo Daniel Vallejo v
Karue Sell
|
6-2,6-2 | |
| Challenger Porto Alegre | 05/01 15:35 | 25 |
[299] Ergi Kirkin
v
Adolfo Daniel Vallejo [304]
|
6-1,7-6 | |
| Challenger Acapulco | 04/17 22:00 | 26 |
[314] Adolfo Daniel Vallejo v
Alexis Galarneau
[170] 
|
6-7,1-6 | |
| Challenger Acapulco | 04/16 02:25 | 25 |
[466] Ernesto Escobedo
v
Adolfo Daniel Vallejo [314]
|
4-6,0-6 | |
| Challenger Florianopolis | 04/02 18:30 | 25 |
[312] Adolfo Daniel Vallejo v
Roman Andres Burruchaga
[151] 
|
3-6,4-6 | |
| Challenger Sao Leopoldo | 03/31 16:30 | 29 |
[231] Enzo Couacaud
v
Adolfo Daniel Vallejo [472]
|
3-6,2-6 | |
| Challenger Sao Leopoldo | 03/30 19:25 | 28 |
[134] Felipe M R Alves
v
Adolfo Daniel Vallejo [472]
|
4-6,6-3,0-6 |