| ITF Portugal F7 Qual | 04/08 16:00 | 44 | 니에스텐, 밀리안 v Teixeira, Duarte Nuno | 6-3,6-3 | |
| ITF Portugal F7 Qual | 04/07 15:30 | 44 | Teixeira, Duarte Nuno v Rodrigues, Laelson | 7-6,6-2 | |
| ITF Portugal F6 Qual | 03/26 10:00 | 44 | 보셀, 아드리엔 v Teixeira, Duarte Nuno | 6-1,6-3 | |
| ITF Portugal F6 Qual | 03/25 09:00 | 44 | Teixeira, Duarte Nuno v 로글란, 알베르트 | Retired | |
| ITF Portugal F5 Qual | 03/18 14:30 | 44 | 로드리구에스, 페드로 가브리엘 v Teixeira, Duarte Nuno | 6-0,6-2 | |
| ITF Portugal F2 Qual | 02/24 10:00 | 60 | 반 덴 베르그, 발트 v Teixeira, Duarte Nuno | 6-1,6-0 | |
| ITF Portugal F21 | 10/01 13:00 | 44 | Nerushenko, Aleksei v Teixeira, Duarte Nuno | 7-6,6-1 | |
| ITF Portugal F20 Qual | 09/23 09:30 | 62 | Teixeira, Duarte Nuno v Lavanchy, Nathan | 5-7,2-6 | |
| ITF Portugal F19 | 09/16 10:00 | 54 | 알메이다, 토마스 v Teixeira, Duarte Nuno | 6-2,6-1 | |
| ITF Portugal F17 | 08/19 10:30 | 62 | Yang, Richard v Teixeira, Duarte Nuno | 6-3,6-0 | |
| ITF Portugal F13 | 07/23 10:30 | 44 | 알베르토니, 다비드 v Teixeira, Duarte Nuno | 6-1,6-1 | |
| ITF Portugal F12 | 07/15 12:00 | 62 | 무지, 펠리프 v Teixeira, Duarte Nuno | 6-3,7-6 | |
| ITF Portugal F11 Qual | 07/08 15:00 | 54 | Teixeira, Duarte Nuno v 던칸, 스코트 | 1-6,0-6 | |
| ITF Portugal F3 Qual | 03/11 15:00 | 60 | Randpere, Martin Valdo v Teixeira, Duarte Nuno | 6-3,7-5 | |
| ITF Portugal F12 Qual | 10/01 11:30 | 62 | Rocha, Francisco v Teixeira, Duarte Nuno | 6-2,5-7,6-4 | |
| ITF Portugal F11 Qual | 09/24 10:00 | 44 | Teixeira, Duarte Nuno v Bonifacius, Rafn Kumar | 3-6,3-6 | |
| Portugal F4, Singles Qualifying | 04/30 11:00 | 62 | Teixeira, Duarte Nuno v 알메이다, 마누엘 | 6-4,5-7,4-6 | |
| ITF Portugal F13 | 10/03 11:30 | 62 | Ricardo Nunes, J. v Teixeira, Duarte Nuno | 6-2,6-3 | |
| ITF Portugal F5 Qual | 05/09 11:30 | - | Teixeira, Duarte Nuno v Semedo, Miguel | 4-6,2-6 | |
| Portugal F4, Singles Qualifying | 05/02 11:00 | - | Teixeira, Duarte Nuno v 알메이다, 마누엘 | 2-6,0-6 |