Home-based goalkeeper Anderline Mgbechi, England-based Rofiat Imuran, Israel-based defender Sikiratu Isah and defender Tosin Demehin made the cut.
The win puts Nigeria in a strong position for the return leg in Abeokuta on Tuesday.
Ms Ajibade described the move as a major step in her career.
Ms Ajibade expressed hope that the promises would be fulfilled soon.
Ajibade captained the Super Falcons to a tenth historic WAFCON title in Morocco.
Impressive Nigerian side won South Africa 2-1 in a fierce game at the Larbi Zaouli Stadium, making it into their historic 10th WAFCON finals.
The Super Falcons must beat Japan on Wednesday to stand any chance of progressing to the quarter-finals.
The Super Falcons will clash with world champions Spain on Sunday.
The Super Falcons will face the reigning Olympic champions, Canada, in a friendly on July 17th.
Super Falcons star Rasheedat Ajibade has been named Atletico Madrid Women’s Player of the Season for 2023/24.
