The Chelsea shot-stopper remains Aliou Cisse's preferred no. 1 and he should keep his spot in the team, barring any late injury.
Sarr has contributed immensely to Senegal's attack with his runs and crosses on the flanks. The Bayern Munich right-back also supports the defence with his blocks.
The Nancy left-back appears to have displaced Fode Ballo-Toure for a starting shirt. He was actively involved in the win over Cape Verde before his substitution in the final eight minutes.
The Napoli centre-back remains Senegal captain and he is expected to continue his leadership role at the Ahmadou Ahidjo Stadium.
His presence has helped the Teranga Lions keep clean sheets in the last four games at Afcon.
Diallo has played every minute of Senegal's games this campaign and he appears to have formed a formidable partnership with Koulibaly at the centre of defence.
Another key player in Aliou Cisse's team who has played in every game and his experience could be crucial in helping the Teranga Lions negotiate their way past Equatorial Guinea.
The PSG star is tipped to link the midfield with the attack and also contribute to dominating the middle of the park.
The Watford winger should get his chance to return to action on Sunday after recovering from a knee injury. He started full training on Wednesday and he should bring more creativity to the team's attacking play.
The Villarreal forward should keep his spot at the front as he provides more attacking options with Senegal hoping to draw the first blood in Sunday's clash.
The 26-year-old is tipped to return to the line-up for his second start in the competition. Balde has only played two matches so far.
After scoring his maiden goal for Senegal in the 2-0 win over Cape Verde, Dieng remains a preferred candidate to replace Sadio Mane in the attack.
Aliou Cisse would likely want the Liverpool star to start on the bench after suffering a head injury in the last match.
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