| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/02/16 10:30 | 안시바, 아미나 v 이, 은혜 | 2-6,7-5,7-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/02/15 07:00 | 이, 은혜 v 디 사라, 페데리카 | 6-1,6-3 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/02/13 09:15 | Talcott, Shelby v 이, 은혜 | 1-6,0-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/02/12 09:00 | 이, 은혜 v Vukovic, Daniela | 7-5,6-1 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/02/11 09:00 | 자메스, 아킬라 v 이, 은혜 | 1-6,3-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/02/10 09:00 | 이, 은혜 v 팔카토바, 발보라 | 6-0,6-2 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/02/07 08:30 | 이, 은혜 v 파파미차일, 데스피나 | 6-4,5-7,4-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/02/05 07:30 | 카레가트, 도미니케 v 이, 은혜 | 0-6,3-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/02/19 08:00 | 하리슨, 캐서린 v Ilowska, Caroline | 6-3,6-2 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/02/18 10:00 | 하리슨, 캐서린 v 나이토, 유키 | 6-4,2-6,6-4 |
| Wesley Chapel, Singles Qualifying W-WITF-USA-03A | 2018/01/22 14:30 | 오수이그위, 와이트니 v 하리슨, 캐서린 | 6-2,6-4 |
| Wesley Chapel, Singles Qualifying W-WITF-USA-03A | 2018/01/21 16:30 | 하리슨, 캐서린 v 수, 칭 원 | 3-6,6-1,6-2 |
| ITF Women Orlando Qual | 2018/01/15 15:00 | 하리슨, 캐서린 v 페르난데즈, 레이라 안니 | 4-6,6-7 |
| ITF Women Orlando Qual | 2018/01/14 15:00 | 닐, 인그리드 v 하리슨, 캐서린 | 6-2,4-6,4-6 |
| Daytona Beach, Singles Qualifying W-WITF-USA-01A | 2018/01/09 16:05 | 하리슨, 캐서린 v Lysa, Yuliya | 6-7,7-5,2-6 |
| Daytona Beach, Singles Qualifying W-WITF-USA-01A | 2018/01/08 19:30 | 포노말, 리사 v 하리슨, 캐서린 | 3-6,6-2,5-7 |