The phrase "sorry end" refers to a sad or unfortunate outcome or conclusion to a situation. It implies that things did not go well or as planned, leading to a disappointing or regrettable result. Full definition
I'm so sorry you ended your 2017 in such a crappy way. (samanthamariko.com)
If not, we will see a very sorry end to what is likely to be Wenger's final campaign. (justarsenal.com)
Julian Scheiber struck to condemn Manchester City's dismal Champions League campaign to a suitably sorry end with a 1 - 0 loss in Dortmund. (nastytackle.com)