Sao Tome & Principe drew 0-0 against Cameroon in their 2018 CAF African Nations Championship first leg qualifies on Saturday at Estádio Nacional 12 de Julho in São Tome.
Although Sao Tome & Principe were looking for a win in front of their home crowd, they failed to create goal-scoring opportunities in the encounter.
The draw has put the Falcons and True Parrots under pressure heading to the second leg in Yaounde next weekend.
However, they will now rely on their fighting spirit to ensure they boost their chances of reaching the tournament in Kenya.
For the visiting Indomitable Lions, coach Rigobert Song will be happy with a draw as he is aware they must wrap up the proceedings at home.
On the other hand, Song will now have to work on his troops' finishing to ensure they secure a win at home next weekend.
The return leg will be staged at Stade Omnisport Ahmadou Ahidjo in Yaoundé on Saturday, August 19.