Portugal
15.04.99, 26 years
Country
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Portugal
23.09.88, 36 years
INFO: click on player name to show detailed player statistics
Guilherme Sergio vs. Domingos Sousa Coutinho - head to head matches
Guilherme Sergio form & Domingos Sousa Coutinho form
Guilherme Sergio - last matches
 Portugal F7 - Clay |
| 17.04.17 q 1 | vs. Diogo Lourenco | 6-4, 6-3 |  | match details |
| 17.04.17 q 2 | vs. Miguel Semedo | 6-4, 6-1 | | match details |
| 17.04.17 qual. | vs. Daniel Rodrigues | 6-72, 2-6 |  | match details |
| Portugal F5 - Clay |
| 03.04.17 q 1 | vs. Flemming Peters | 4-6, 2-6 | | match details |
| Portugal F4 - Hard |
| 27.03.17 q 1 | vs. Duarte Nuno Teixeira | 6-1, 6-0 | | match details |
| 27.03.17 q 2 | vs. Billy Harris | 2-6, 2-6 | | match details |
| Portugal F3 - Hard |
| 13.03.17 | vs. Goncalo Ferreira | 6-3, 6-3 | | match details |
| 13.03.17 q 1 | vs. Juan Pablo Canas Garcia | 3-6, 6-2, 2-0, Juan Pablo Canas Garcia - retired | | match details |
| 13.03.17 q 2 | vs. Bart Van Den Berg | 3-6, 7-5, 2-6 | | match details |
| Portugal F2 - Hard |
| 06.03.17 | vs. Jorge Hernando-Ruano | 7-5, 1-6, 2-6 | | match details |
| Portugal F1 - Hard |
| 27.02.17 | vs. Pietro Licciardi | 2-6, 3-6 | | match details |
| Portugal F8 - Hard |
| 11.07.16 q 1 | vs. Afonso Cortez | 6-2, 6-2 | | match details |
| 11.07.16 q 2 | vs. Joao Monteiro | 0-6, 3-6 | | match details |
| Portugal F7 - Hard |
| 23.05.16 q 2 | vs. Catalin-Ionut Gard | 1-6, 1-6 | | match details |
| 23.05.16 q 1 | vs. Joao Antonio | 6-3, 1-6, 6-2 | | match details |
| Portugal F6 - Hard |
| 16.05.16 q 2 | vs. Juan Pablo Canas Garcia | 1-6, 3-6 | | match details |
| 16.05.16 q 1 | vs. Alan Gleeson | Alan Gleeson - walk over | | match details |
| Portugal F5 - Hard |
| 09.05.16 q 1 | vs. Pedro Barosa | 6-2, 3-6, 6-2 | | match details |
| 09.05.16 q 2 | vs. Marcus Walters | 2-6, 3-4, - Guilherme Sergio - retired | | match details |
| Portugal F4 - Clay |
| 02.05.16 q 1 | vs. Joao Faria Carvalho | 5-7, 2-6 | | match details |
| Portugal F3 - Hard |
| 07.03.16 | vs. Alejandro Artunedo | 2-6, 0-6 | | match details |
| Portugal F13 - Clay |
| 05.10.15 q 1 | vs. Manuel Almeida | 3-6, 5-7 | | match details |
| Portugal F7 - Hard |
| 25.05.15 q 2 | vs. Alejandro Ortega Palacios | 1-6, 5-7 | | match details |
| 25.05.15 q 1 | vs. Mikhail Zaytsev | 6-1, 6-0 | | match details |
| Portugal F6 - Hard |
| 18.05.15 q 1 | vs. Afonso Fazendeiro | 4-6, 6-2, 2-6 | | match details |
| Portugal F4 - Clay |
| 04.05.15 q 1 | vs. Domingos Sousa Coutinho | 6-4, 6-2 | | match details |
| 04.05.15 q 2 | vs. Manuel Almeida | 0-6, 4-6 | | match details |
Domingos Sousa Coutinho - last matches
| Portugal F4 - Hard |
| 27.03.17 q 2 | vs. Asdrubal Gobernate | 0-6, 0-6 | | match details |
 Turkey F48 - Clay |
| 30.11.15 q 2 | vs. Ivo Mijic | 1-6, 1-6 | | match details |
| Turkey F47 - Clay |
| 23.11.15 q 1 | vs. Shokhrukh Abdumalikov | 6-3, 1-6, 2-6 | | match details |
 Tunisia F31 - Hard |
| 09.11.15 1st round | vs. Hugo Voljacques | 1-6, 1-6 | | match details |
| Tunisia F30 - Hard |
| 02.11.15 qual. | vs. Milan Habrman | 0-6, 1-6 | | match details |
| 02.11.15 q 1 | vs. Alexei Filenkov | 6-4, 6-1 | | match details |
| Tunisia F29 - Hard |
| 26.10.15 q 1 | vs. Hicham Khaddari | 1-6, 1-6 | | match details |
| Portugal F13 - Clay |
| 05.10.15 q 2 | vs. Bartosz Wojnar | 1-6, 0-6 | | match details |
| 05.10.15 q 1 | vs. Francisco Oliveira | 7-5, 6-2 | | match details |
| Portugal F12 - Hard |
| 28.09.15 q 2 | vs. Nuno Borges | 1-6, 1-6 | | match details |
 Spain F26 - Clay |
| 17.08.15 q 1 | vs. Julian Contzen | 6-2, 6-4 | | match details |
| 17.08.15 q 2 | vs. Eric Fomba | 1-6, 2-6 | | match details |
| Portugal F11 - Hard |
| 27.07.15 q 1 | vs. Guillermo Romero Picazo | 5-7, 6-3, 1-6 | | match details |
| Portugal F9 - Hard |
| 13.07.15 q 1 | vs. Jai Corbett | 0-6, 0-6 | | match details |
| Portugal F6 - Hard |
| 18.05.15 q 1 | vs. Julian Contzen | 4-6, 2-6 | | match details |
| Portugal F5 - Hard |
| 11.05.15 q 1 | vs. Manuel Almeida | 0-6, 6-3, 2-6 | | match details |
| Portugal F4 - Clay |
| 04.05.15 q 1 | vs. Guilherme Sergio | 4-6, 2-6 | | match details |
| Portugal F3 - Hard |
| 09.03.15 | vs. Denis Merkulov | 0-6, 0-6 | | match details |
| Portugal F2 - Hard |
| 02.03.15 | vs. Jonathan Morr | 4-6, 6-75 | | match details |
| Portugal F1 - Hard |
| 23.02.15 | vs. Javier Ladron De Guevara Hi | 3-6, 1-6 | | match details |
| Portugal F12 - Hard |
| 27.10.14 q 1 | vs. Luis Faria | 6-2, 3-6, 6-4 | | match details |
| 27.10.14 q 2 | vs. Goncalo Andrade | 5-7, 4-6 | | match details |
| Portugal F11 - Hard |
| 20.10.14 q 1 | vs. Goncalo Falcao | 1-6, 1-6 | | match details |
| Portugal F10 - Hard |
| 13.10.14 q 1 | vs. Goncalo Andrade | 7-63, 6-73, 1-6 | | match details |
| Portugal F9 - Clay |
| 06.10.14 q 1 | vs. Bruno Lanca | 6-2, 6-2 | | match details |
| 06.10.14 q 2 | vs. Facundo Tomas Pellegrino | 4-6, 5-7 | | match details |
| Portugal F8 - Hard |
| 29.09.14 q 1 | vs. Miguel Jorge Oliveira | 7-65, 5-7, 4-6 | | match details |
| Portugal F7 - Hard |
| 22.09.14 q 1 | vs. Alejandro Artunedo | 3-6, 1-6 | | match details |
| Spain F23 - Clay |
| 18.08.14 q 1 | vs. Bruno Mardones | 2-6, 4-6 | | match details |
| Spain F22 - Hard |
| 11.08.14 q 1 | vs. Hugo Grenier | 2-6, 0-6 | | match details |
