Head to Head
| UK Pro League | 2021/03/20 13:30 | Billy Harris v Oscar Weightman | 6-2,6-4 |
| ITF Great Britain F4 | 2018/09/12 10:00 | Billy Harris v Oscar Weightman | 6-4,6-2 |
Home History
| UK Pro League | 2021/09/28 09:30 | Oscar Weightman v George Houghton | 6-7,7-6,7-10 |
| ITF M15 Melilla | 2021/09/21 16:35 | Oscar Weightman v Mario Mansilla Diez | 1-6,6-2,0-6 |
| ITF M25 Poznan | 2021/08/22 08:00 | Oscar Weightman v Ivan Kazakov | 6-3,2-6,1-10 |
| ITF M15 Parnu | 2021/08/04 08:35 | Ergi Kirkin v Oscar Weightman | 6-2,4-6,7-5 |
| UK Pro League | 2021/07/18 15:43 | Jack Gibbens v Oscar Weightman | 3-6,6-4,0-0 |
| UK Pro League | 2021/07/18 14:30 | Oscar Weightman v Jack Gibbens | 6-3,4-6,11-13 |
| UK Pro League | 2021/07/16 10:00 | Oscar Weightman v Liam Hignett | 7-6,6-4 |
| UK Pro League | 2021/07/15 11:30 | Lui Maxted v Oscar Weightman | 6-3,6-3 |
Away History
| ITF M15 Cairo | 2021/09/25 08:00 | Edoardo Lavagno v Billy Harris | 6-3,6-4 |
| ITF M15 Cairo | 2021/09/24 08:00 | Billy Harris v Francesco Passaro | 4-6,6-4,6-2 |
| ITF M15 Cairo | 2021/09/23 08:00 | Billy Harris v Zachary Eisinga | 6-1,6-0 |
| ITF M15 Cairo | 2021/09/22 13:40 | Billy Harris v Nitin Kumar Sinha | 6-0,7-6 |
| UK Pro League | 2021/09/19 14:30 | Billy Harris v Giles Hussey | 3-6,4-6 |
| UK Pro League | 2021/09/17 14:00 | Billy Harris v Daniel Cox | 6-3,6-4 |
| UK Pro League | 2021/09/15 12:30 | Billy Harris v Miles Groom | 6-4,6-2 |
| UK Pro League | 2021/09/14 15:30 | Billy Harris v David Quayle | 7-6,6-2 |