Frank Kalanda and team captain Farouk Miya scored two first half goals to give Uganda Cranes the command after winning 2-0 over Sudan at Nakivubo Stadium on Saturday.
The ground was slippery after the overnight rains in Kampala prior to the game.
Uganda finished the game with ten players after Hassan Wasswa Dazo was sent off for a professional foul.
The well attended match was watched by the prime minister of Uganda, Hon Ruhakana Rugunda.
The Cranes created further chances through Ceaser Okhuti and Miya but none could yield any fruitful dividend in terms of goal count.
The Cranes re-group on Monday for a residential camp at the FUFA Technical center, Njeru.
The return leg will take place in Khartoum on Saturday, 24th October 2015.
Uganda Cranes XI:
James Alitho (G.K), Ibrahim Kiyemba, Joseph Ochaya, Hassan Wasswa Dazo, Shafik Bakaki, Ivan Ntege, Ceaser Okuti, Muzamiru Mutyaba, Farouk Miya (Captain), Frank Kalanda, Kezironi Kizito
Denis Okot replaced Kezironi Kizito, Hakim Ssenkumba replaced Muzamil Mutyaba and Tony Odur replaced Ceaser Okhuti
Subs Not Used:
Mathias Kigonya (G.K), Isaac Muleme, John Ssemazzi and Erisa Ssekisambu