The breathtaking encounter went to the last ball where Islamabad's Imad Wasim guided his side to a crucial win.Islamabad joined Multan Sultans and Peshawar Zalmi in the PSL 9 playoffs as there is just one place left with two teams, Karachi Kings and Quetta Gladiators, competing for it.Islamabad United have won the toss and elected to field against Multan Sultans.Playing XIsMultan Sultans: Mohammad Rizwan (c), Yasir Khan, Tayyab Tahir, Usman Khan, Johnson Charles, Iftikhar Ahmed, Chris Jordan, David Willey, Usama Mir, Abbas Afridi, Mohammad Ali.Islamabad United: Shadab Khan (c), Alex Hales, Colin Munro, Salman Ali Agha, Azam Khan (wk), Haider Ali, Imad Wasim, Faheem Ashraf, Hunain Shah, Naseem Shah, Tymal Mills.