Head to Head
| UK Pro League | 2021/08/28 10:00 | Julian Cash v Billy Harris | 4-6,7-6,2-10 |
| UK Pro League | 2021/04/09 09:00 | Billy Harris v Julian Cash | 3-6,5-7 |
| UK Pro League | 2021/03/15 15:30 | Billy Harris v Julian Cash | 7-6,7-6 |
| LTA British Tour | 2020/10/03 13:30 | Julian Cash v Billy Harris | 6-7,3-6 |
| UK Tennis Series | 2020/08/16 07:00 | Julian Cash v Billy Harris | 3-6,6-3,10-4 |
| UK Tennis Series | 2020/07/31 14:30 | Billy Harris v Julian Cash | 7-5,6-2 |
| UK Tennis Series | 2020/07/23 09:00 | Billy Harris v Julian Cash | 7-6,6-2 |
Home History
| UK Pro League | 2021/11/11 13:30 | Giles Hussey v Billy Harris | 7-5,6-4 |
| UK Pro League | 2021/11/09 13:00 | Billy Harris v Charles Broom | 2-6,6-2,8-10 |
| UK Pro League | 2021/11/08 17:00 | Billy Harris v Daniel Cox | 7-6,6-4 |
| ITF M15 Antalya | 2021/10/31 10:55 | Felix Gill v Billy Harris | 3-6,6-1,5-7 |
| ITF M15 Antalya | 2021/10/30 08:00 | Billy Harris v Calin Manda | 6-3,6-4 |
| ITF M15 Antalya | 2021/10/29 07:00 | Billy Harris v Timo Stodder | 6-4,6-4 |
| ITF M15 Antalya | 2021/10/28 06:50 | Billy Harris v Berk Ilkel | 6-4,6-3 |
| ITF M15 Antalya | 2021/10/22 07:00 | Savriyan Danilov v Billy Harris | 6-4,6-1 |
Away History
| UK Pro League | 2021/11/11 16:30 | Julian Cash v Anton Matusevich | 4-6,2-6 |
| UK Pro League | 2021/11/09 16:00 | Julian Cash v Henry Patten | 2-6,4-6 |
| UK Pro League | 2021/11/08 16:00 | Julian Cash v George Houghton | 6-3,7-5 |
| UK Pro League | 2021/10/31 12:00 | Joshua Paris v Julian Cash | 3-6,2-6 |
| UK Pro League | 2021/10/30 14:00 | Julian Cash v Ewan Moore | 6-4,6-3 |
| UK Pro League | 2021/10/28 09:30 | Julian Cash v N. Vijay Sundar Prashanth | 4-6,6-7 |
| UK Pro League | 2021/10/27 09:00 | Julian Cash v Liam Hignett | 6-2,6-3 |
| UK Pro League | 2021/10/26 12:00 | Julian Cash v Jack Gibbens | 6-4,6-0 |