Stadium: Court 2 Round: 44 Ground: Hardcourt outdoor
| ITF M15 - Johannesburg | 2019/09/22 13:30 | Lefa Ashley Sibanda v Claudio Grassi | 2-6,2-6 |
| ITF M15 - Johannesburg | 2019/09/22 08:00 | Claudio Grassi v Stefano Parola | 6-2,6-2 |
| ITF Italy F24 | 2015/08/25 19:00 | Ilija Vucic v Claudio Grassi | 6-4,4-6,6-4 |
| ITF Switzerland F2 | 2015/03/20 11:00 | Claudio Grassi v Enzo Sommer | 4-6,2-6 |
| ITF Switzerland F2 | 2015/03/19 13:55 | Alessandro Bega v Claudio Grassi | 6-7,3-6 |
| ITF Switzerland F2 | 2015/03/18 12:10 | Antoine Bellier v Claudio Grassi | 3-6,3-6 |
| ITF Tunisia F5 | 2015/03/04 09:30 | Julien Cagnina v Claudio Grassi | 7-5,6-1 |
| ITF Tunisia F5 | 2015/01/28 11:45 | Claudio Grassi v Jaime Pulgar-Garcia | 4-6,6-4,3-6 |
| ITF M15 - Johannesburg | 2019/09/22 10:30 | Yaseen Ibrahim v Gerhardt Marius Becker | 2-6,1-6 |
| ITF M15 - Harare | 2019/06/24 10:30 | Charl Morgan v Gerhardt Marius Becker | 6-2,6-3 |
| ITF M15 - Harare | 2019/06/24 07:00 | Oleg Dmitriev v Gerhardt Marius Becker | 3-6,4-6 |
| ITF M15 - Harare | 2019/06/17 07:00 | Gerhardt Marius Becker v Markus Schultz | 6-7,0-6 |
| ITF South Africa F3 Qual | 2018/12/02 07:00 | Riaan Du Toit v Gerhardt Marius Becker | 6-1,6-3 |
| ITF South Africa F2 | 2018/11/27 13:20 | David Pichler v Gerhardt Marius Becker | 6-1,6-2 |
| ITF South Africa F1 Qual | 2018/11/18 09:00 | Gerhardt Marius Becker v Zandrix Acob | 1-6,4-6 |
| ITF South Africa F1 Qual | 2018/11/17 09:00 | Gerhardt Marius Becker v Da-niel Kotze | 6-1,6-1 |