upset a weakened Portugal 2-0 in Estoril on Tuesday as seven days of international football friendlies involving African teams ended.
Portugal lacked many stars, including the biggest one of all Cristiano Ronaldo, having won 2-1 at home against Serbia just 48 hours earlier in a Euro 2016 qualifier.
The Blue Sharks scored twice within six minutes close to half-time at Estadio Antonio Coimbra da Mota for a rare away victory over European opposition.
Ghana and Mali drew 1-1 at Stade Sebastien Charlety in southern Paris, enabling both countries to avoid suffering two straight losses during the international window.
Emmanuel Agyemang-Badu, who has not scored for Serie A outfit Udinese this season, put the 2015 Cup of Nations runners-up ahead on 53 minutes.
He nudged a through ball past Soumaila Diakite and then ran past the fallen goalkeeper to tap the ball into the net.
Bakary Sako from English second-tier promotion contenders Wolves levelled by converting a 71st-minute penalty needlessly conceded when Richmond Boakye fouled Molla Wague.
Malian Modibo Maiga rattled the crossbar during the first half and Boakye struck the post after half-time.
Mali lost 4-3 to Gabon last Wednesday and Ghana fell 2-1 to Senegal three days later.
A stoppage-time equaliser from Yu Dabao forced Tunisia to settle for a 1-1 draw with China in the Nanjing Olympic Sports Centre stadium.
After conceding a couple of late goals to lose 2-0 in Japan, the Tunisians looked set for victory having taken the lead on 39 minutes.
Substitute Mohamed Ali Moncer crept unnoticed to the far post and gave the Chinese goalkeeper no chance with a powerful header.
Saber Khalifa wasted a chance to double the advantage soon after half-time as his penalty was blocked and he fired the rebound wide.
Democratic Republic of Congo, who exceeded expectations with a third-place Cup of Nations finish, were the only African team to lose both friendlies.
A 1-0 defeat by Iraq at Khalid Bin Mohammed Stadium in Sharjah followed a 2-1 loss to the same country three days ago at another United Arab Emirates venue.