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