A last minute goal from a free-kick by Dinis was enough to seal a Guimaraes win at the Estadio do Algarve on Thursday evening.
Defeat In The Algarve For Boro
Boro 1st half: Turnbull, Young, Taylor, Digard, Williams, Wheater, Owens, Walker, Alves, Arca, Adam Johnson.
Boro 2nd half: Turnbull, McMahon, Bennett, Huth, Grounds, Franks, John Johnson, Shawky, Adam Johnson (Tuncay 70), Emnes, Aliadiere.
Boro's next pre-season outing will be away at Carlisle United on Tuesday, 29th July.