I feel like the most fair thing would be to not let the person who goes first the ability to attack. Make them wait until the second round while the person who goes second can attack when they both have the same amount of troops. Just a thought
Sorry about the close names. Lawz21 is my username on most of the sites I go to and his is klaw21 to most of the sites he goes too. We would love to play a doubles game against you and your partner.