2 sentences

1. 这是她的首场比赛。

   zhè shì tā de shǒu​chǎng bǐ​sài.

   It's her debut match.

   Source: OpenSubtitles

2. 由于准备不足，球队在首场比赛中不幸失利。

   yóu​yú zhǔn​bèi bù​zú, qiú​duì zài shǒu​chǎng bǐ​sài zhōng bù​xìng shī​lì.

   Due to insufficient preparation, the team unfortunately lost its first game.

   Source: Dong Chinese Dictionary