The squad's player, Habiba Omary, posted a straight set victory over Elie Wirtz of Seychelles, commanding a 6-0, 6-0 win over the latter in the girls' singles match.
In another match, the hosts' player Esther Nakulanga played Deborah Brison and the former recorded a 6-0,6-0 victory over the latter.
Esther noted shortly after the match the competition offers the participating players opportunity to improve their performance.
The Arusha Gymkhana Club's player expressed sincere regards to the Tanzania Tennis Association (TTA) for accepting to host the tournament given the event helps to improve the players' performance.
Esther added the hosts' players have evety reason to work hard with a view to winning medals and ensure the country emerges as the overall winner.
Sabya Juma of Tanzania failed to turn up for the match against Faidha Urasa of Kenya and the latter thus earned a bye to the next round.
Beatrice Kimaro of Tanzania notched a 6-1, 6-2 win over Tree Brewer of Rwanda in the U-16 girls' singles match.
Other matches have been scheduled to take place at the DGC courts today.
Riziki Salum, one of the hosts' coaches, disclosed participating players are in high spirit, adding that the rest of the coaches should motivate their respective players to perform well.
Nine countries, Kenya, Uganda, Rwanda, Burundi, Ethiopia, Seychelles, Comoro, Somalia and hosts Tanzania, are battling it out in the championship. Each of the countries has fielded boys and girls.