both are ok in informal english.

"Row" is correct, no question about it.  "Roll" is casual, like "my bad " .

所有跟帖： 

• Never heard “two nights in a roll”. It’s always “in a row”. -没头脑的忙- ♀ (0 bytes) () 02/15/2020 postreply 19:42:00

• Can you tell the difference when you hear in --worldance-- ♀ (188 bytes) () 02/15/2020 postreply 19:49:18

• 这两个发音不一样，roll 带 l, 舌头要卷上去一点。 -没头脑的忙- ♀ (0 bytes) () 02/15/2020 postreply 20:17:56

• yea, in speech therapy sessions.:) --worldance-- ♀ (230 bytes) () 02/15/2020 postreply 20:49:36