| ITF Women Albuquerque Qual | 2017/09/17 16:00 | Schenk, Sylvia v Raszkiewics, Eva | 2-6,3-6 |
| ITF Women Lexington Qual | 2017/07/30 14:00 | Schenk, Sylvia v Adachi, Mami | 1-6,1-6 |
| ITF Women Granby Qual | 2017/07/22 14:00 | Schenk, Sylvia v Coopersmith, Nicole | 0-6,3-6 |
| Saint Martin (Guadeloupe), Q. Simples W-WITF-FRA-03A | 2017/01/22 19:30 | Schenk, Sylvia v Raszkiewics, Eva | 1-6,1-6 |
| ITF Women Tampico Qual | 2016/10/23 17:35 | Hanna Chang v Schenk, Sylvia | 6-0,6-1 |
| ITF Women Tampico Qual | 2016/10/22 18:40 | Schenk, Sylvia v Pedro, Candace Olivia | 7-6,6-1 |
| ITF Women Atlanta Qual | 2016/09/11 17:30 | Shaffer, Kennedy v Schenk, Sylvia | 6-1,6-0 |
| ITF Women Redding | 2017/09/14 19:45 | Guillermo, Lorraine M v Whoriskey, Caitlin | 2-6,6-7 |
| ITF Women Redding | 2017/09/13 20:45 | Sanchez, Maria v Guillermo, Lorraine M | 6-2,4-6,2-6 |
| ITF Women Fort Worth | 2017/08/03 15:00 | Minokoshi, Mai v Guillermo, Lorraine M | 6-2,6-2 |
| ITF Women Fort Worth | 2017/08/02 22:05 | Perez, Ellen v Guillermo, Lorraine M | 5-7,2-6 |
| ITF Women Evansville | 2017/07/29 15:30 | Guillermo, Lorraine M v Ann Li | 2-6,6-3,3-6 |
| ITF Women Evansville | 2017/07/28 15:35 | Whoriskey, Caitlin v Guillermo, Lorraine M | 3-6,0-6 |
| ITF Women Evansville | 2017/07/27 19:30 | Guillermo, Lorraine M v Morozova, Alexandra | 4-6,6-1,6-2 |
| ITF Women Evansville | 2017/07/26 14:00 | Guillermo, Lorraine M v Yarlagadda, Anika | 6-3,7-6 |