Face à face
| UK Tennis Series | 2020/08/08 13:00 | Billy Harris v Fox, David | 6-2,6-2 |
| UK Tennis Series | 2020/07/28 14:30 | Billy Harris v Fox, David | 6-7,4-6 |
Home History
| UK Pro League | 2022/01/19 17:15 | Paris, Joshua v Billy Harris | 2-6,3-6 |
| UK Pro League | 2022/01/17 15:30 | Weightman, Oscar v Billy Harris | 3-6,6-3,10-5 |
| UK Pro League | 2022/01/16 14:00 | Billy Harris v Mark Whitehouse | 2-6,6-4,8-10 |
| ITF M25 Bath | 2022/01/14 16:30 | Billy Harris v Daniel Cox | 2-6,7-6,4-6 |
| ITF M25 Bath | 2022/01/13 12:05 | Billy Harris v Toby Martin | 6-1,6-3 |
| ITF M25 Bath | 2022/01/11 10:00 | Billy Harris v Johnson, Luke | 3-6,7-6,6-4 |
| ITF - M15 Antalya | 2021/12/19 11:30 | Billy Harris v Madaras, Dragos Nicolae | 5-7,1-6 |
| ITF - M15 Antalya | 2021/12/18 06:20 | Koray Kirci v Billy Harris | 4-6,0-6 |
Away History
| UK Pro League | 2022/01/19 17:15 | Ben Jones v Fox, David | 6-0,3-6,10-0 |
| UK Pro League | 2022/01/18 14:00 | Fox, David v Patten, Henry | 2-6,4-6 |
| UK Pro League | 2022/01/16 14:00 | Anton Matusevich v Fox, David | 6-2,6-1 |
| ITF M25 Bath | 2022/01/10 11:45 | Fox, David v Ewan Moore | 3-6,2-6 |
| ITF M25 Bath | 2022/01/09 11:40 | Fox, David v Jonah Gethin | 6-2,2-6,10-7 |
| ITF M25 Wichita | 2021/06/09 21:10 | Fox, David v Axel Nefve | 5-7,1-6 |
| ITF M25 Wichita | 2021/06/08 16:55 | Fox, David v Richards, Alexander | 6-3,7-5 |
| ITF M15 Santo Domingo | 2020/12/08 13:30 | Fox, David v Briand, Jurgen | 2-6,2-6 |