Played 13, Points 12, NRR 0.140
Last match vs PBKS (away)
Played 13, Points 12, NRR -0.308
Last match vs RR (home)
Royals, though, have an NRR of 0.140, compared to -0.308 for Kings, and -0.256 for Knight Riders. All these teams will have to get past Royal Challengers Bangalore, who are already on 14 points with a healthy NRR of 0.180. (Mumbai Indians are on 14 too, but with a poorer NRR of -0.128.)
Among these teams, Royals clearly have the best chance of taking that fourth slot if RCB and Mumbai both lose their last game. Even if RCB lose by only one run, Royals need to win by just 10 (assuming first-innings scores of 180) to edge past them on NRR.
For KKR and Kings to achieve the same, they will have to hope for much greater assistance from RCB: even if RCB lose by 30 runs, KKR will still have to win by 78 to get ahead on NRR; for Punjab Kings, that margin is around 94 runs.