User blog comment:IamJakuhoRaikoben/Chapter 326: Natsu vs. Rogue, Review./@comment-112.198.77.189-20130406081457/@comment-121.54.8.130-20130406114847

and also, Master Zero defeated Natsu, Gray and Lucy. That can be compared to Natsu's defeat to Future Rogue. Natsu was able to defeat Master Zero in the end with help from Jellal, so he may be able to defeat Rogue soon with help from others.