Indian eves will play Japan in the semi-finals in U-18 Asia Cup hockey tournament in Bangkok on Friday.On Thursday, Indian eves continued their unbeaten run as they dished out a clinical display to thrash hosts Malaysia 4-1 in their last round robin Pool B match of the ongoing U-18 Asia Cup hockey tournament in Bangkok.Anupa Barla (13th and 55th minute), Poonam Rani (19th) and Navjot Kaur (57th) sounded the board for India, while Nadia Khan scored the consolation goal for Malaysia in the 64th minute.India, who alongwith Korea is the only undefeated team in the competition, had already qualified for the semi-final of the event by defeating China on Tuesday.