The list of the online debates that apologist Justin Derby has done on Debate.org can be seen below; feel free to click on them to read them:

My debate with an old earth creationist on whether or not belief in billions of years and/or evolution affects the salvation of someone who claims to be a follower of Jesus.

My Debate with Candid_atheism on the reasonableness of God's existence

My debate with 64bithuman on how the gospels are the most reliable historical records about Jesus