Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| Zimbabwe F3, Singles Qualifying | 2018/06/11 07:00 | Jacobs, Tuki v Courtney John Lock | 6-2,6-3 |
| Abuja, Singles Qualifying M-ITF-NGR-02A | 2019/04/24 09:00 | Jacobs, Tuki v Dominik Palan | 6-2,6-4 |
| Abuja, Singles Qualifying M-ITF-NGR-02A | 2019/04/17 09:00 | Neuchrist, Maximilian v Jacobs, Tuki | 6-3,6-4 |
| Abuja, Singles Qualifying M-ITF-NGR-02A | 2019/04/09 10:15 | Jacobs, Tuki v Soares Klier, Gilbert | 0-6,5-7 |
| ITF Tunisia F37 | 2018/10/25 11:45 | Jacobs, Tuki v Sonkin, Jeremy | 5-7,6-4,4-6 |
| ITF Tunisia F37 | 2018/10/24 08:30 | Diep, Florent v Jacobs, Tuki | 7-5,3-6,4-6 |
| ITF Tunisia F36 | 2018/10/17 08:30 | Skander Mansouri v Jacobs, Tuki | 6-3,6-4 |
| Nigeria F5, Singles | 2018/10/10 14:55 | Jomby, Tom v Jacobs, Tuki | 6-3,6-1 |
| ITF Spain F28 Qual | 2018/09/16 12:00 | Jacobs, Tuki v Miguel Damas | 0-6,4-6 |
| Abuja, Singles Qualifying M-ITF-NGR-02A | 2019/04/15 09:00 | Courtney John Lock v Vejnovic, Marko | 6-7,3-6 |
| Arcadia, Singles Qualifying M-ITF-USA-09A | 2019/03/11 17:00 | Ferreira, Joao (Por) v Courtney John Lock | 6-3,2-6,10-6 |
| ITF - M15 Sharm El Sheikh | 2019/02/20 10:25 | Vivero Gonzalez, Pablo v Courtney John Lock | 6-0,6-2 |
| ITF - M15 Sharm El Sheikh | 2019/01/21 08:00 | Johansson, Niklas v Courtney John Lock | 6-4,6-4 |
| ITF South Africa F3 | 2018/12/06 09:30 | Courtney John Lock v Toby Martin | 1-6,1-6 |
| ITF South Africa F3 | 2018/12/04 11:05 | Courtney John Lock v Nezar, Damien | 6-4,6-2 |
| South Africa F2, Singles | 2018/11/26 08:00 | Courtney John Lock v Joshua Luck | 6-3,3-6,4-6 |
| Afrique du Sud F2, Qualifications Simples | 2018/11/25 09:00 | Courtney John Lock v Cohen, Lance | 6-4,4-6,6-1 |