| LTA British Tour Women | 2020/09/04 12:45 | Katherine Barnes v Sofia Johnson | 2-6,0-6 |
| LTA British Tour Women | 2020/09/04 12:45 | Katherine Barnes v Sofia Johnson | 2-6,0-6 |
| LTA British Tour Women | 2020/08/29 09:00 | Sally Pethybridge v Katherine Barnes | 6-2,6-1 |
| LTA British Tour Women | 2020/08/28 10:00 | Katherine Barnes v Nadia Rawson | 3-6,6-4,10-7 |
| LTA British Tour Women | 2020/08/21 12:40 | Katherine Barnes v Tanysha Dissanayake | 1-6,2-6 |
| LTA British Tour Women | 2020/07/24 11:15 | Katherine Barnes v Emma Wilson | 2-6,1-6 |
| LTA British Tour Women | 2020/07/23 12:50 | Katherine Barnes v Sally Pethybridge | 7-5,6-2 |
| ITF Women Wirral | 2018/10/28 10:30 | Katherine Barnes v Vlada Ekshibarova | 0-6,1-6 |
| ITF Women Antalya | 2018/03/24 06:30 | Sina Herrmann v Katherine Barnes | 6-2,6-2 |
| LTA British Tour Women | 2020/10/09 10:00 | Eliz Maloney v Sofia Johnson | 6-3,6-4 |
| LTA British Tour Women | 2020/09/05 14:30 | Emily Appleton v Sofia Johnson | 7-5,6-1 |
| LTA British Tour Women | 2020/09/05 11:15 | Sofia Johnson v Annali Olivelle | 2-6,6-3,10-5 |
| LTA British Tour Women | 2020/09/04 12:45 | Katherine Barnes v Sofia Johnson | 2-6,0-6 |
| LTA British Tour Women | 2020/08/28 11:40 | Sofia Johnson v Emma Wilson | 4-6,4-6 |
| LTA British Tour Women | 2020/08/22 10:55 | Sofia Johnson v Amelia Bissett | 5-7,4-6 |