Stadium: Court 12 Round: 62 Ground: Clay
| ITF Women Orlando Qual | 2018/01/14 15:00 | Rodgers, Amanda v Gerlach, Katharina | 6-2,6-4 |
| ITF Women Orlando Qual | 2018/01/14 15:00 | Rodgers, Amanda v Gerlach, Katharina | 6-2,6-4 |
| ITF Women Daytona Beach | 2018/01/11 16:00 | Gerlach, Katharina v Perper, Alexandra | 6-4,1-6,4-6 |
| ITF Women Daytona Beach | 2018/01/10 22:20 | Renata Zarazua v Gerlach, Katharina | 4-6,5-7 |
| Daytona Beach, Singles Qualifying W-WITF-USA-01A | 2018/01/09 14:30 | Gerlach, Katharina v Ryngler, Alexa | 6-1,6-3 |
| Daytona Beach, Singles Qualifying W-WITF-USA-01A | 2018/01/08 19:30 | Gerlach, Katharina v Pierson, Rachel May | 6-3,6-2 |
| Daytona Beach, Singles Qualifying W-WITF-USA-01A | 2018/01/07 15:00 | Gerlach, Katharina v Djoubri, Salma | 6-2,6-0 |
| ITF Women Castellon | 2017/11/28 13:45 | Gerlach, Katharina v Noelia Bouzo Zanotti | 6-4,6-4 |
| Santa Margherita Di Pula, Simples W-WITF-ITA-27A | 2017/10/06 13:00 | Honcova, Michaela v Gerlach, Katharina | 3-6,7-5,6-3 |
| ITF Women Orlando Qual | 2018/01/15 15:00 | Jessica Pegula v Rodgers, Amanda | 6-4,6-4 |
| ITF Women Orlando Qual | 2018/01/14 15:00 | Rodgers, Amanda v Gerlach, Katharina | 6-2,6-4 |
| ITF Women Daytona Beach | 2018/01/11 19:10 | Anhelina Kalinina v Rodgers, Amanda | 6-2,6-4 |
| ITF Women Daytona Beach | 2018/01/10 22:35 | Lysa, Yuliya v Rodgers, Amanda | 6-3,1-6,11-13 |
| ITF Women Waco Qual | 2017/11/05 20:20 | Rodgers, Amanda v Whoriskey, Caitlin | 6-3,0-6,1-6 |
| ITF Women Tyler | 2017/11/01 17:00 | Sofia Kenin v Rodgers, Amanda | 6-3,6-1 |
| ITF Women Tyler Qual | 2017/10/31 15:00 | Stewart, Katerina v Rodgers, Amanda | 6-2,4-6,4-6 |
| ITF Women Tyler Qual | 2017/10/30 15:00 | Amy Zhu v Rodgers, Amanda | 3-6,3-6 |