Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF W25 Dallas | 2019/10/22 16:05 | Fahey, Katharine v Gauvain, Sybille | 5-7,6-2,10-4 |
| ITF W25 Dallas | 2019/10/21 15:00 | Fahey, Katharine v Maria Kononova | 6-2,6-2 |
| ITF W25 Florence | 2019/10/17 18:55 | Claire Liu v Fahey, Katharine | 6-4,7-5 |
| ITF W25 Florence | 2019/10/16 20:00 | Fahey, Katharine v Kissell, Joelle | 6-4,6-4 |
| ITF W25 Hilton Head Island | 2019/10/09 14:00 | Maria Mateas v Fahey, Katharine | 6-2,6-3 |
| ITF W25 Hilton Head Island | 2019/10/08 14:00 | Fahey, Katharine v Louise Kwong | 6-1,6-2 |
| ITF W25 Hilton Head Island | 2019/10/07 16:00 | Fahey, Katharine v Snells, Jamilah | 6-1,6-1 |
| ITF W25 Roehampton | 2019/09/23 11:50 | Fahey, Katharine v Larkin, Suzy | 6-2,3-6,5-10 |
| ITF W25 Dallas | 2019/10/22 18:20 | Ong, Vanessa v Abrams, Sophie | 6-4,6-0 |
| ITF W25 Dallas | 2019/10/21 15:00 | Ong, Vanessa v Ngo Gwodog, Eugenie Christine | 6-0,6-0 |
| ITF W25 Waco | 2019/10/15 15:00 | Contreras Gomez, Fernanda v Ong, Vanessa | 7-5,6-3 |
| ITF W25 Waco | 2019/10/13 17:30 | Rapolu, Malaika v Ong, Vanessa | 3-6,1-6 |
| ITF W15 Norman | 2019/10/01 21:00 | Amy Zhu v Ong, Vanessa | 5-7,6-4,7-6 |
| ITF W15 Lubbock | 2019/09/19 17:00 | Shiori Fukuda v Ong, Vanessa | 6-4,6-2 |
| ITF W15 Lubbock | 2019/09/18 15:00 | Jessica Failla v Ong, Vanessa | 0-6,6-3,5-7 |
| Lawrence, Singles W-ITF-USA-34A | 2019/09/15 18:00 | Ong, Vanessa v Nefedova, Anastasia Evgenyevna | 6-0,7-5 |