Stadium: Court 3 Round: 54
| ITF Brazil F4 Qual | 2018/05/14 14:50 | Enrique Bogo v Igor Sao Thiago | 6-1,2-6,6-3 |
| ITF Brazil F4 Qual | 2018/05/13 12:00 | Franco Roncadelli v Igor Sao Thiago | 5-7,3-6 |
| ITF Brazil F3 | 2018/05/07 12:30 | Felipe Garla v Igor Sao Thiago | 6-4,4-6,7-5 |
| ITF Brazil F3 | 2018/05/06 12:30 | Joao M Nusdeo v Igor Sao Thiago | 3-6,3-6 |
| ITF Brazil F2 | 2018/04/29 15:00 | Alex Blumenberg v Igor Sao Thiago | 6-4,5-7,6-4 |
| ITF Brazil F1 | 2018/04/22 15:30 | Gustavo De O Cruz v Igor Sao Thiago | 6-4,5-7,6-1 |
| ITF Portugal F8 | 2018/04/18 12:10 | Igor Sao Thiago v Miliaan Niesten | 1-6,3-6 |
| ITF Portugal F8 Qual | 2018/04/16 09:30 | Goncalo Falcao v Igor Sao Thiago | 6-4,6-1 |
| ITF Sweden F2 Qual | 2018/05/13 08:00 | George Botezan v Simon Yitbarek | 2-6,6-2,6-1 |
| ITF Sweden F2 Qual | 2018/05/12 08:00 | Melker Isaksson v Simon Yitbarek | 2-6,1-6 |
| ITF Sweden F1 Qual | 2018/05/06 08:00 | Sam Taylor v Simon Yitbarek | 6-4,6-2 |
| ITF Sweden F1 Qual | 2018/05/05 08:00 | Masayoshi Ono v Simon Yitbarek | 2-6,6-4,4-6 |
| ITF Sweden F3 | 2017/09/23 08:00 | Simon Yitbarek v Ivan Sabanov | 6-4,0-6,0-6 |
| ITF Sweden F2 Qual | 2017/05/14 08:15 | Daniel Appelgren v Simon Yitbarek | 6-0,6-3 |
| ITF Sweden F1 | 2017/05/08 10:15 | Arvid Nordquist v Simon Yitbarek | 6-3,6-2 |
| ITF Sweden F1 Qual | 2017/05/07 09:40 | Jakob Arvidsson Ehn v Simon Yitbarek | 6-4,4-6,2-6 |