Head to Head
| UK Pro League | 2021/03/04 11:15 | Mark Whitehouse v Billy Harris | 3-6,6-3,5-10 |
| UK Tennis Series | 2020/08/13 13:00 | Billy Harris v Mark Whitehouse | 6-1,3-6,8-10 |
| UK Tennis Series | 2020/08/01 11:30 | Billy Harris v Mark Whitehouse | 6-7,7-6,10-6 |
| UK Tennis Series | 2020/07/24 11:30 | Mark Whitehouse v Billy Harris | 6-3,7-5 |
| UK Tennis Series | 2020/07/12 09:00 | Billy Harris v Mark Whitehouse | 5-7,4-6 |
Home History
| 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 Luke Johnson | 3-6,7-6,6-4 |
| ITF M15 Antalya | 2021/12/19 11:30 | Billy Harris v Dragos Nicolae Madaras | 5-7,1-6 |
| ITF M15 Antalya | 2021/12/18 06:20 | Koray Kirci v Billy Harris | 4-6,0-6 |
| ITF M15 Antalya | 2021/12/17 08:10 | Billy Harris v Marsel Ilhan | 6-3,6-3 |
| ITF M15 Antalya | 2021/12/16 08:15 | Billy Harris v Louroi Martinez | 7-6,7-6 |
| ITF M15 Antalya | 2021/12/15 11:55 | Billy Harris v Iacopo Sada | 6-2,6-3 |
Away History
| ITF M25 Bath | 2022/01/14 13:05 | Felix Gill v Mark Whitehouse | 6-4,2-6,7-5 |
| ITF M25 Bath | 2022/01/13 09:55 | Alafia Ayeni v Mark Whitehouse | 7-6,4-6,4-6 |
| ITF M25 Bath | 2022/01/12 11:45 | Mark Whitehouse v Guy Den Ouden | 7-5,6-2 |
| ITF M25 Austin | 2021/11/16 20:50 | Mark Whitehouse v Juan Carlos Aguilar | 7-6,3-6,1-6 |
| ITF M25 Harlingen | 2021/11/10 19:00 | Mark Whitehouse v Yuta Kikuchi | 3-6,0-6 |
| ITF M15 Fayetteville | 2021/11/04 16:45 | Bruno Kuzuhara v Mark Whitehouse | 6-4,6-4 |
| ITF M15 Fayetteville | 2021/11/02 17:00 | Kody Pearson v Mark Whitehouse | 6-7,5-7 |
| ITF M25 Calabasas | 2021/10/27 16:55 | Mark Whitehouse v Zachary Svajda | 3-6,1-6 |