| Norman ITF |
Round |
Result |
H |
A |
| 14.11. |
|
Pierson R. - Guillermo L. |
Q-R16 |
6-2, 6-4 |
2.43 |
1.49 |
| 13.11. |
|
Guillermo L. - Rioux L. |
Q-2R |
6-2, 6-1 |
|
|
| 12.11. |
|
Guillermo L. - Iyengar S. |
Q-1R |
6-2, 6-0 |
|
|
| Toronto ITF |
Round |
Result |
H |
A |
| 30.10. |
|
Bovina E. - Guillermo L. |
Q-QF |
6-4, 6-2 |
1.43 |
2.60 |
| 29.10. |
|
Guillermo L. - Parks A. |
Q-R16 |
6-2, 7-5 |
1.29 |
3.35 |
| 28.10. |
|
Guillermo L. - Zecevic S. |
Q-1R |
6-0, 6-1 |
1.06 |
8.00 |
| Macon 2 ITF |
Round |
Result |
H |
A |
| 24.10. |
|
Li A. - Guillermo L. |
Q-QF |
7-62, 4-6, 6-0 |
1.39 |
2.78 |
| 23.10. |
|
Guillermo L. - Chang H. |
Q-R16 |
6-1, 6-4 |
2.89 |
1.36 |
| 22.10. |
|
Guillermo L. - Paigina M. |
Q-1R |
6-3, 3-6, 7-5 |
3.36 |
1.29 |
| Templeton ITF |
Round |
Result |
H |
A |
| 26.09. |
|
Santamaria S. - Guillermo L. |
Q-QF |
6-1, 1-6, 6-2 |
1.37 |
2.79 |
| 25.09. |
|
Guillermo L. - Guarachi A. |
Q-R16 |
7-5, 7-63 |
2.13 |
1.62 |
| 24.09. |
|
Guillermo L. - Schenck S. |
Q-1R |
6-0, 6-1 |
1.00 |
17.00 |
| Redding ITF |
Round |
Result |
H |
A |
| 14.09. |
|
Whoriskey C. - Guillermo L. |
R16 |
6-2, 7-64 |
1.56 |
2.22 |
| 13.09. |
|
Guillermo L. - Sanchez M. |
1R |
2-6, 6-4, 6-2 |
6.53 |
1.06 |
| Fort Worth ITF |
Round |
Result |
H |
A |
| 03.08. |
|
Minokoshi M. - Guillermo L. |
R16 |
6-2, 6-2 |
1.77 |
1.92 |
| 03.08. |
|
Guillermo L. - Perez E. |
1R |
7-5, 6-2 |
4.03 |
1.20 |
| Evansville ITF |
Round |
Result |
H |
A |
| 29.07. |
|
Li A. - Guillermo L. |
SF |
6-2, 3-6, 6-3 |
1.16 |
4.36 |
| 28.07. |
|
Guillermo L. - Whoriskey C. |
QF |
6-3, 6-0 |
4.95 |
1.12 |
| 27.07. |
|
Guillermo L. - Morozova A. |
R16 |
4-6, 6-1, 6-2 |
2.67 |
1.40 |
| 26.07. |
|
Guillermo L. - Yarlagadda A. |
1R |
6-3, 7-65 |
1.71 |
1.98 |
| 25.07. |
|
Guillermo L. - Fodor C. |
Q-R16 |
6-3, 4-6, 6-1 |
|
|
| 24.07. |
|
Guillermo L. - Blakely A. |
Q-2R |
6-4, 6-2 |
|
|
| 23.07. |
|
Guillermo L. - Vidic Z. |
Q-1R |
6-0, 6-1 |
|
|
| Stockton ITF |
Round |
Result |
H |
A |
| 16.07. |
|
Gordon M. - Guillermo L. |
Q-1R |
6-2, 6-4 |
1.14 |
4.85 |
| Winnipeg ITF |
Round |
Result |
H |
A |
| 08.07. |
|
Kuhlman J. - Guillermo L. |
Q-1R |
63-7, 6-4, 6-1 |
|
|
| Victoria 3 ITF |
Round |
Result |
H |
A |
| 21.06. |
|
Kinard T. - Guillermo L. |
R16 |
6-4, 6-2 |
1.17 |
4.28 |
| 19.06. |
|
Guillermo L. - Luk S. |
1R |
6-1, 6-1 |
1.02 |
9.60 |
| 18.06. |
|
Guillermo L. - Zhang A. |
Q-R16 |
6-3, 6-0 |
1.08 |
7.00 |
| 17.06. |
|
Guillermo L. - Mansouri Y. |
Q-1R |
6-1, 6-2 |
|
|
| Indian Wells - pre-qualifier |
Round |
Result |
H |
A |
| 01.03. |
|
Karatantcheva S. - Guillermo L. |
2R |
6-4, 6-4 |
|
|
| 28.02. |
|
Guillermo L. - Roth A. |
1R |
6-0, 6-2 |
|
|
| Rancho Santa Fe ITF |
Round |
Result |
H |
A |
| 21.02. |
|
Sanchez M. - Guillermo L. |
Q-R16 |
6-2, 6-2 |
1.07 |
6.51 |
| 20.02. |
|
Guillermo L. - Wacnik J. |
Q-2R |
6-1, 2-0 |
|
|
| 19.02. |
|
Guillermo L. - Knickerbocker N. |
Q-1R |
6-2, 6-0 |
|
|
| Surprise ITF |
Round |
Result |
H |
A |
| 14.02. |
|
Dolehide C. - Guillermo L. |
Q-R16 |
6-1, 6-3 |
1.05 |
7.12 |
| 13.02. |
|
Guillermo L. - Ivanova D. |
Q-2R |
66-7, 6-4, 6-1 |
|
|
| 12.02. |
|
Guillermo L. - Wei Z. |
Q-1R |
6-2, 7-69 |
|
|