| UK Tennis Series | 2020/07/07 13:00 | Mark Whitehouse v Jonathan Gray | 6-3,6-4 |
| ITF M25 Barnstaple | 2019/02/11 13:45 | Jonathan Gray v Mark Whitehouse | 5-7,6-7 |
| ITF M15 Parnu | 2020/11/05 09:30 | Patrik Niklas-Salminen v Mark Whitehouse | 6-4,6-4 |
| ITF M15 Parnu | 2020/11/03 08:00 | Mark Whitehouse v Alexis Canter | 6-4,6-4 |
| ITF M25 Porto | 2020/09/27 10:00 | Luis Faria v Mark Whitehouse | 6-3,6-7,13-11 |
| ITF M15 Castelo Branco | 2020/09/24 14:10 | Nicolas Alvarez Varona v Mark Whitehouse | 7-5,6-4 |
| ITF M15 Castelo Branco | 2020/09/23 15:00 | Mark Whitehouse v Jacopo Berrettini | 6-3,6-4 |
| UK Tennis Series | 2020/08/16 14:15 | Tom Hands v Mark Whitehouse | 4-6,6-1,6-10 |
| UK Tennis Series | 2020/08/15 09:00 | Mark Whitehouse v Luke Johnson | 6-7,6-7 |
| UK Tennis Series | 2020/08/14 14:30 | Alastair Gray v Mark Whitehouse | 6-2,6-2 |
| LTA British Tour | 2020/09/06 09:00 | Arthur Fery v Jonathan Gray | 6-4,3-6,10-8 |
| LTA British Tour | 2020/09/05 12:05 | Jonathan Gray v Alexis Canter | 7-5,6-2 |
| LTA British Tour | 2020/09/05 09:00 | Daniel Little v Jonathan Gray | 6-7,3-6 |
| LTA British Tour | 2020/09/04 10:00 | Yujiro Onuma v Jonathan Gray | 3-6,3-6 |
| LTA British Tour | 2020/08/28 19:55 | Felix Gill v Jonathan Gray | 6-3,7-6 |
| LTA British Tour | 2020/08/23 09:00 | Jonathan Gray v Arthur Fery | 2-6,5-7 |
| LTA British Tour | 2020/08/22 12:15 | Jonathan Gray v Daniel Little | 7-5,4-6,12-10 |
| LTA British Tour | 2020/08/22 09:00 | Jonathan Gray v Brandon Murphy | 2-6,7-5,10-4 |