Ranked issue

Last day I was playing ranked and i got into my promos. After 1 hour i said to play my first game of promos but after i won the game suddently a lost appeared in my promos . http://imgur.com/a/UXV0j http://imgur.com/6FkefEJ Am I stupid or something? (please don't make jokes of my english or of my skill)

Edit: i won my promos but I didn't ranked up