| Norman ITF |
Round |
Result |
H |
A |
| 16.11. |
|
Miyazaki Y. - Guillermo L. |
QF |
7-5, 5-7, 6-1 |
2.53 |
1.46 |
| 15.11. |
|
Guillermo L. - Podoroska N. |
R16 |
6-1, 3-6, 7-5 |
5.00 |
1.13 |
| 13.11. |
|
Guillermo L. - Chang H. |
1R |
6-4, 6-4 |
2.83 |
1.42 |
| Lawrence ITF |
Round |
Result |
H |
A |
| 03.11. |
|
Subhash N. - Guillermo L. |
Q-1R |
7-5, 6-3 |
|
|
| Toronto ITF |
Round |
Result |
H |
A |
| 28.10. |
|
Shaffer K. - Guillermo L. |
Q-R16 |
6-4, 6-3 |
1.36 |
2.88 |
| 27.10. |
|
Guillermo L. - Tanasescu M. |
Q-1R |
6-1, 6-1 |
1.20 |
4.33 |
| Saguenay ITF |
Round |
Result |
H |
A |
| 21.10. |
|
Montez P. - Guillermo L. |
Q-R16 |
6-1, 6-3 |
1.63 |
2.12 |
| 20.10. |
|
Guillermo L. - Garcia A. |
Q-1R |
6-4, 6-3 |
1.24 |
3.63 |
| Stockton ITF |
Round |
Result |
H |
A |
| 01.10. |
|
Gumulya B. - Guillermo L. |
Q-1R |
7-5, 7-5 |
2.45 |
1.49 |
| Templeton ITF |
Round |
Result |
H |
A |
| 23.09. |
|
Elie J. - Guillermo L. |
Q-1R |
7-62, 6-4 |
1.45 |
2.56 |
| Fort Worth ITF |
Round |
Result |
H |
A |
| 02.08. |
|
Mateas M. - Guillermo L. |
R16 |
6-2, 6-2 |
1.43 |
2.63 |
| 31.07. |
|
Guillermo L. - Black H. |
1R |
7-65, 6-0 |
1.50 |
2.42 |
| Ashland ITF |
Round |
Result |
H |
A |
| 23.07. |
|
Manasse M. - Guillermo L. |
Q-R16 |
6-4, 6-0 |
1.68 |
2.06 |
| 22.07. |
|
Guillermo L. - Kobelt M. |
Q-1R |
4-6, 6-2, 6-0 |
1.21 |
3.91 |
| Berkeley ITF |
Round |
Result |
H |
A |
| 18.07. |
|
Manasse M. - Guillermo L. |
1R |
6-4, 6-2 |
1.56 |
2.28 |
| 17.07. |
|
Guillermo L. - Santamaria S. |
Q-QF |
2-6, 6-1, 7-68 |
2.33 |
1.52 |
| 16.07. |
|
Guillermo L. - Mossmer N. |
Q-R16 |
5-7, 6-3, 6-1 |
1.18 |
4.13 |
| 16.07. |
|
Guillermo L. - Gabueva A. |
Q-1R |
3-6, 6-1, 6-2 |
1.66 |
2.08 |
| Winnipeg ITF |
Round |
Result |
H |
A |
| 12.07. |
|
Sema E. - Guillermo L. |
R16 |
6-4, 6-3 |
1.40 |
2.70 |
| 11.07. |
|
Guillermo L. - Andreescu B. |
1R |
3-6, 6-4, 4-2 |
11.40 |
1.01 |
| 08.07. |
|
Guillermo L. - Bui J. |
Q-R16 |
6-3, 6-1 |
1.20 |
4.17 |
| Victoria 3 ITF |
Round |
Result |
H |
A |
| 22.06. |
|
Montez P. - Guillermo L. |
QF |
6-4, 6-1 |
1.83 |
1.82 |
| 20.06. |
|
Guillermo L. - Arseneault A. |
R16 |
6-1, 6-2 |
1.07 |
6.56 |
| 18.06. |
|
Guillermo L. - Giavara H. |
1R |
7-5, 6-2 |
1.04 |
8.39 |
| Hua Hin 12 ITF |
Round |
Result |
H |
A |
| 03.06. |
|
Montez P. - Guillermo L. |
Q-2R |
6-4, 6-2 |
|
|
| Hua Hin 11 ITF |
Round |
Result |
H |
A |
| 29.05. |
|
Robinson M. - Guillermo L. |
1R |
6-3, 7-65 |
2.27 |
1.55 |
| 28.05. |
|
Guillermo L. - William T. |
Q-R16 |
6-4, 6-4 |
1.12 |
5.36 |
| 27.05. |
|
Guillermo L. - Silakul C. |
Q-2R |
6-1, 6-4 |
|
|
| Hua Hin 9 ITF |
Round |
Result |
H |
A |
| 11.05. |
|
Thamchaiwat B. - Guillermo L. |
SF |
7-64, 6-3 |
1.34 |
2.98 |
| 10.05. |
|
Guillermo L. - Momkoonthod T. |
QF |
6-4, 6-3 |
1.16 |
4.43 |
| 09.05. |
|
Guillermo L. - Sheng Y. |
R16 |
6-3, 6-2 |
1.14 |
4.80 |
| 07.05. |
|
Guillermo L. - Walters A. |
1R |
6-1, 6-1 |
1.05 |
7.69 |
| Hua Hin 8 ITF |
Round |
Result |
H |
A |
| 02.05. |
|
Ma S. - Guillermo L. |
R16 |
7-62, 6-2 |
3.86 |
1.21 |
| 01.05. |
|
Guillermo L. - Zhu A. |
1R |
6-3, 6-3 |
1.22 |
3.81 |
| Dothan ITF |
Round |
Result |
H |
A |
| 15.04. |
|
Gleason Q. - Guillermo L. |
Q-1R |
3-6, 7-63, 6-2 |
|
|
| Pelham ITF |
Round |
Result |
H |
A |
| 10.04. |
|
Hendler T. - Guillermo L. |
1R |
7-5, 6-4 |
1.18 |
4.34 |
| Rancho Santa Fe ITF |
Round |
Result |
H |
A |
| 22.02. |
|
Li A. - Guillermo L. |
R16 |
7-62, 6-3 |
1.29 |
3.27 |
| 22.02. |
|
Guillermo L. - Day K. |
1R |
6-3, 7-65 |
6.07 |
1.10 |
| 20.02. |
|
Guillermo L. - Larcher de Brito M. |
Q-R16 |
6-2, 6-4 |
2.92 |
1.36 |
| 19.02. |
|
Guillermo L. - Werner C. |
Q-2R |
6-3, 6-2 |
|
|
| 18.02. |
|
Guillermo L. - Haynes J. |
Q-1R |
6-3, 6-1 |
|
|
| Surprise ITF |
Round |
Result |
H |
A |
| 11.02. |
|
Partaud M. - Guillermo L. |
Q-1R |
6-4, 7-5 |
|
|
| Wesley Chapel ITF |
Round |
Result |
H |
A |
| 21.01. |
|
Jani R. - Guillermo L. |
Q-1R |
5-7, 6-2, 6-2 |
|
|
| Orlando ITF |
Round |
Result |
H |
A |
| 14.01. |
|
Ivanova D. - Guillermo L. |
Q-1R |
6-4, 2-6, 6-4 |
|
|
| Daytona Beach ITF |
Round |
Result |
H |
A |
| 07.01. |
|
Pierson R. - Guillermo L. |
Q-1R |
6-4, 7-5 |
|
|