Stadium: Court 2 Round: 44 Ground: Hardcourt outdoor
| Johannesburg, Singles M-ITF-RSA-01A | 2019/09/22 13:30 | Sibanda, Lefa Ashley v Grassi, Claudio | 2-6,2-6 |
| Johannesburg, Singles M-ITF-RSA-01A | 2019/09/22 08:00 | Grassi, Claudio v Parola, Stefano | 6-2,6-2 |
| ITF Italy F24 | 2015/08/25 19:00 | Vucic, Ilija v Grassi, Claudio | 6-4,4-6,6-4 |
| ITF Switzerland F2 | 2015/03/20 11:00 | Grassi, Claudio v Sommer, Enzo | 4-6,2-6 |
| ITF Switzerland F2 | 2015/03/19 13:55 | Bega, Alessandro v Grassi, Claudio | 6-7,3-6 |
| ITF Switzerland F2 | 2015/03/18 12:10 | Antoine Bellier v Grassi, Claudio | 3-6,3-6 |
| ITF Tunisia F5 | 2015/03/04 09:30 | Cagnina, Julien v Grassi, Claudio | 7-5,6-1 |
| ITF Tunisia F5 | 2015/01/28 11:45 | Grassi, Claudio v Pulgar-Garcia, Jaime | 4-6,6-4,3-6 |
| Johannesburg, Singles M-ITF-RSA-01A | 2019/09/22 10:30 | Ibrahim, Yaseen v Becker, Gerhardt Marius | 2-6,1-6 |
| Harare, Singles Qualifying M-ITF-ZIM-01A | 2019/06/24 10:30 | Morgan, Charl v Becker, Gerhardt Marius | 6-2,6-3 |
| Harare, Singles Qualifying M-ITF-ZIM-01A | 2019/06/24 07:00 | Dmitriev, Oleg v Becker, Gerhardt Marius | 3-6,4-6 |
| Harare, Singles Qualifying M-ITF-ZIM-01A | 2019/06/17 07:00 | Becker, Gerhardt Marius v Schultz, Markus | 6-7,0-6 |
| ITF South Africa F3 Qual | 2018/12/02 07:00 | Du Toit, Riaan v Becker, Gerhardt Marius | 6-1,6-3 |
| South Africa F2, Singles | 2018/11/27 13:20 | David Pichler v Becker, Gerhardt Marius | 6-1,6-2 |
| ITF South Africa F1 Qual | 2018/11/18 09:00 | Becker, Gerhardt Marius v Acob, Zandrix | 1-6,4-6 |
| ITF South Africa F1 Qual | 2018/11/17 09:00 | Becker, Gerhardt Marius v Kotze, Da-Niel | 6-1,6-1 |