| ITF Portugal F11 | 07/05 09:00 | 26 | Vivero Gonzalez, Pablo v Castanho Ribeiro, Alexandre | Retired | |
| ITF Portugal F11 | 07/04 08:30 | 25 | Goncalo Falcao v Castanho Ribeiro, Alexandre | 3-6,3-6 | |
| ITF Portugal F9 | 06/19 15:45 | 25 | Pulgar-Garcia, Javier v Castanho Ribeiro, Alexandre | 6-3,6-2 | |
| ITF Portugal F16 | 08/13 09:00 | 62 | Ryan Peniston v Castanho Ribeiro, Alexandre | 6-3,6-2 | |
| ITF Portugal F16 | 08/12 10:00 | 62 | Mubarak, Abdulhamid v Castanho Ribeiro, Alexandre | 4-6,4-6 | |
| ITF Portugal F15 | 08/09 12:25 | 25 | Monteiro, Joao v Castanho Ribeiro, Alexandre | 6-2,6-0 | |
| ITF Portugal F13 | 07/28 08:30 | 27 | Tchoutakian, Maxime v Castanho Ribeiro, Alexandre | 4-6,6-1,6-2 | |
| ITF Portugal F13 | 07/27 08:30 | 26 | Mansilla Diez, Mario v Castanho Ribeiro, Alexandre | 4-6,0-6 | |
| ITF Portugal F13 | 07/25 09:00 | 25 | Castanho Ribeiro, Alexandre v Altug Celikbilek | 1-6,6-3,6-4 | |
| ITF Portugal F10 | 07/04 10:00 | 62 | Castanho Ribeiro, Alexandre v Daniel Batista | 3-6,2-6 | |
| ITF Portugal F10 | 07/03 10:00 | 62 | Castanho Ribeiro, Alexandre v Fernandez, Pol | 6-1,3-6,6-3 | |
| ITF Portugal F10 | 07/02 10:00 | 62 | Cunha-Silva, Felipe v Castanho Ribeiro, Alexandre | 1-6,4-6 | |
| ITF Portugal F9 | 06/26 14:35 | 62 | Justin Roberts v Castanho Ribeiro, Alexandre | 6-0,7-5 | |
| ITF Portugal F9 | 06/25 10:00 | 62 | Faria, Francisco v Castanho Ribeiro, Alexandre | 0-6,6-3,4-6 | |
| ITF Portugal F9 | 06/24 10:30 | 62 | Castanho Ribeiro, Alexandre v Pierce, Aron | 7-6,1-6,6-2 | |
| ITF USA F35 | 10/30 16:30 | 60 | Castanho Ribeiro, Alexandre v Mwendwa Mbithi | 6-7,6-7 | |
| ITF Portugal F7 Qual | 05/21 11:00 | 62 | Castanho Ribeiro, Alexandre v Almeida, Tomas | 1-6,6-2,6-0 | |
| ITF Portugal F5 Qual | 05/10 12:30 | 62 | Sora Fukuda v Castanho Ribeiro, Alexandre | 7-5,6-2 | |
| Portugal F4, Singles Qualifying | 05/02 15:00 | 62 | Cacao, Tiago v Castanho Ribeiro, Alexandre | 3-6,6-4,6-2 | |
| Portugal F4, Singles Qualifying | 05/01 14:30 | 62 | Alves, Simao v Castanho Ribeiro, Alexandre | 1-6,4-6 | |
| ITF Portugal F3 Qual | 03/07 17:25 | 60 | Castanho Ribeiro, Alexandre v Kapric, Denis | 2-6,0-6 | |
| ITF Portugal F3 Qual | 03/07 10:30 | 60 | Castanho Ribeiro, Alexandre v Rodrigues, Daniel | 6-0,6-1 | |
| ITF Portugal F2 Qual | 02/27 10:00 | 60 | Castanho Ribeiro, Alexandre v Cabral, Francisco | 2-6,4-6 | |
| ITF Portugal F12 Qual | 09/27 11:30 | 62 | Nematzadeh, Keyvan v Castanho Ribeiro, Alexandre | 3-6,0-6 | |
| ITF Portugal F10 | 07/18 14:00 | - | Castanho Ribeiro, Alexandre v Faria, Luis | 6-7,4-6 | |
| ITF Portugal F8 Qual | 05/30 12:30 | - | Castanho Ribeiro, Alexandre v Faria, Luis | 5-7,0-6 | |
| ITF Portugal F6 Qual | 05/16 12:00 | - | Castanho Ribeiro, Alexandre v Faria, Luis | 4-6,6-7 | |
| ITF Portugal F3 Qual | 03/07 15:00 | - | Castanho Ribeiro, Alexandre v Semedo, Miguel | 6-2,1-6,4-6 | |
| ITF Portugal F1 | 02/21 10:00 | - | Stefan Frljanic v Castanho Ribeiro, Alexandre | 7-5,0-6,6-1 | |
| ITF Portugal F12 Qual | 10/26 14:00 | - | Vidal Azorin, Jose Fco v Castanho Ribeiro, Alexandre | 2-6,6-1,6-2 |