Abu Dhabi [UAE], September 19 (ANI): A fantastic, well-paced knock by Kusal Mendis and his quickfire partnership with Kusal Mendis in the end helped Sri Lanka secure a six-wicket win over Afghanistan in their final group stage match of the Asia Cup at Abu Dhabi on Thursday. With this win, Sri Lanka has ended the group stage undefeated with three wins in three matches. At the end of six overs, Sri Lanka was 53/2. At the end of 15 overs, SL was 122/4, needing 48 in the final five overs. Brief Scores: Afghanistan: 169/8 (Mohammed Nabi 60, Ibrahim Zadran 24, Nuwan Thushara 4/18) lost to Sri Lanka: 171/4 in 18.4 overs (Kusal Mendis 74*, Kusal Perera 28, Mujeeb Ur Rahman 1/42).