I don't really have exactly 1 map i'd say is impossible, there are several others out there but here is just a few of them which i consider impossible.
hmm.. for an unranked i'd say Dm Ashura - deltaMAX [Unexpected] (that thing gets pretty damn impossible near the end)
Ranked/Approved: Kokou no Sousei [Chaos] (Nuff said.)
Ranked/Approved : The Quick Brown Fox - The Big Black [WHO'S AFRAID OF THE BIG BLACK] (for any normal human being, that map just seems impossible to fc without half/fail/easy mods)
Ranked/Approved : Shotgun Symphony+ [Impossibly Intense] (difficult as hell)
Ranked/Approved : Can't Defeat Airman [Holy Shit! It's Airman!!] (imba jumps, just seems to be impossible to fc it properly..Cookiezi is an exception)
hmm.. for an unranked i'd say Dm Ashura - deltaMAX [Unexpected] (that thing gets pretty damn impossible near the end)
Ranked/Approved: Kokou no Sousei [Chaos] (Nuff said.)
Ranked/Approved : The Quick Brown Fox - The Big Black [WHO'S AFRAID OF THE BIG BLACK] (for any normal human being, that map just seems impossible to fc without half/fail/easy mods)
Ranked/Approved : Shotgun Symphony+ [Impossibly Intense] (difficult as hell)
Ranked/Approved : Can't Defeat Airman [Holy Shit! It's Airman!!] (imba jumps, just seems to be impossible to fc it properly..Cookiezi is an exception)