User blog comment:ImperiexSeed/To those of you who think the RF was trying in 1x22, then why didn't Barry just have the Arrow defeat the RF in 1x09?/@comment-5544928-20150604193204/@comment-201.8.96.154-20150605210121

Actually Oliver did know that Barry faced the Reverse-Flash one day after he did it, if you look with attention, Felicity was reading a news paper about the fight in The Climb. By that, we can conclude that the climb was one day after the man in the yellow suit