Stadium: Court 3 Round: 45
| Challenger Winnipeg Qual | 2018/07/08 15:00 | Jeffrey John Wolf v Luke Johnson | 6-3,6-1 |
| Challenger Ilkley Qual | 2018/06/17 10:00 | Hiroki Moriya v Luke Johnson | 6-3,6-3 |
| ITF Israel F8 | 2018/06/06 07:00 | Peter Kobelt v Luke Johnson | 6-1,6-4 |
| ITF Israel F8 | 2018/06/05 07:30 | Luke Johnson v Bernardo Saraiva | 7-6,6-4 |
| ITF Tunisia F21 | 2018/05/31 09:00 | Luke Johnson v Calin Manda | 3-6,3-6 |
| ITF Tunisia F21 | 2018/05/30 11:30 | Luke Johnson v Keivon Tabrizi | 6-3,6-3 |
| Challenger Loughborough Qual | 2018/05/19 11:25 | Luke Johnson v Sam Barry | 3-6,2-6 |
| ITF Tunisia F16 | 2018/04/26 10:45 | Luke Johnson v Neil Pauffley | 3-6,6-7 |
| ITF Zimbabwe F3 | 2018/06/16 08:00 | Benjamin Lock v Takanyi Garanganga | 1-6,4-6 |
| ITF Zimbabwe F3 | 2018/06/15 11:05 | Lance-Pierre Du Toit v Takanyi Garanganga | 2-6,4-6 |
| ITF Zimbabwe F3 | 2018/06/14 09:45 | Emmett Ward v Takanyi Garanganga | 2-6,7-5,2-6 |
| ITF Zimbabwe F3 | 2018/06/13 08:40 | Tukhula Jacobs v Takanyi Garanganga | 2-6,4-6 |
| ITF Zimbabwe F3 | 2018/06/12 07:00 | Tom Hands v Takanyi Garanganga | 4-6,3-6 |
| ITF Zimbabwe F2 | 2018/06/05 09:10 | Richard Thongoana v Takanyi Garanganga | 6-2,6-3 |
| ITF Zimbabwe F1 | 2018/06/02 08:00 | Benjamin Lock v Takanyi Garanganga | 7-6,6-2 |
| ITF Zimbabwe F1 | 2018/06/01 10:05 | Mehluli D A Sibanda v Takanyi Garanganga | 5-7,3-6 |