Jimmy Floyd Hasselbaink is to become QPR's manager, interim boss Neil Warnock said after Nedum Onuoha sealed victory at Reading.
Warnock said Thursday's match was his last in charge, with Burton Albion boss Hasselbaink his replacement.
"Jimmy will find it tough, but there's no reason why he can't be successful," Warnock said.
Onuoha profited from a mistake by Reading goalkeeper Ali Al-Habsi to give Rangers victory in the last minute.
The centre-back had earlier missed a glorious chance from a close-range header after Charlie Austin had flicked the ball on.
Nick Blackman had Reading's best chance when he hit the crossbar with a second-half free-kick.
Just as a game of limited quality and few chances looked set to end goalless, Onuoha rose at the back post to head in Alejandro Faurlin's deep corner.
Oman international Al-Habsi saw the ball squirm through his legs and across the line to secure victory for Warnock in his final game as interim boss.
Warnock, who took charge after Chris Ramsey was sacked on 4 November, said afterwards that his temporary reign was over.
Reading and QPR were both guilty of creating little quality in the final third.
Aside from Blackman's left-footed free-kick off the bar, Michael Hector headed chances from set-pieces wide in either half while substitute Hal Robson-Kanu screwed a left-foot effort wide from the edge of the area for the Royals.
Junior Hoilett had QPR's only other attempt on target with a tame left-foot shot in the first half.
Defeat sees Reading miss out on a return to the top six while QPR move to within two points of the play-off places.
QPR interim manager Neil Warnock: "It's been a difficult 24 hours as I didn't expect it to be my last game.
"It was quite strange today. I asked the players to give me everything they had and they did, they were magnificent.
"I'm off to Cornwall tomorrow and then we'll see what's around the corner in the next few weeks."
Reading manager Steve Clarke: "I understand the supporters are disappointed that we're not winning matches.
"If supporters direct anger at me, it means they're not directing at the players, so that's fine."
Full Time Match ends, Reading 0, Queens Park Rangers 1.
90:00 +4:08 Full timeFull Time Second Half ends, Reading 0, Queens Park Rangers 1.
90:00 +1:06Foul by Leroy Fer (Queens Park Rangers).
90:00 +1:06Garath McCleary (Reading) wins a free kick in the defensive half.
90:00 +0:25Attempt missed. Garath McCleary (Reading) right footed shot from outside the box is too high.
89:09 Goal scoredGoal! Goal! Reading 0, Queens Park Rangers 1. Nedum Onuoha (Queens Park Rangers) header from the left side of the six yard box to the top left corner. Assisted by Alejandro Faurlin with a cross following a corner.
88:41Corner, Queens Park Rangers. Conceded by Andrew Taylor.
86:53Offside, Reading. Andrew Taylor tries a through ball, but Orlando Sá is caught offside.
85:53James Perch (Queens Park Rangers) wins a free kick in the attacking half.
85:53Foul by Garath McCleary (Reading).
84:45Attempt blocked. Tjaronn Chery (Queens Park Rangers) left footed shot from outside the box is blocked. Assisted by Leroy Fer.
82:55Foul by Grant Hall (Queens Park Rangers).
82:55Ali Al Habsi (Reading) wins a free kick in the defensive half.
82:28Corner, Queens Park Rangers. Conceded by Orlando Sá.
82:25Attempt blocked. Nedum Onuoha (Queens Park Rangers) right footed shot from the right side of the box is blocked. Assisted by Alejandro Faurlin with a cross.
81:56Corner, Queens Park Rangers. Conceded by Michael Hector.
80:42Attempt missed. Hal Robson-Kanu (Reading) left footed shot from the left side of the box misses to the right. Assisted by Garath McCleary with a through ball.
79:26 SubstitutionSubstitution Substitution, Reading. Orlando Sá replaces Matej Vydra.
79:13 SubstitutionSubstitution Substitution, Reading. Ola John replaces Nick Blackman.
78:36Attempt missed. Nedum Onuoha (Queens Park Rangers) header from the centre of the box is too high. Assisted by Charlie Austin with a headed pass following a set piece situation.
Matthew Phillips (Queens Park Rangers) wins a free kick on the right wing.
77:53Foul by Hal Robson-Kanu (Reading).
76:28Corner, Queens Park Rangers. Conceded by Anton Ferdinand.
75:38Attempt blocked. Tjaronn Chery (Queens Park Rangers) left footed shot from outside the box is blocked.
75:01 SubstitutionSubstitution Substitution, Queens Park Rangers. Tjaronn Chery replaces Junior Hoilett.
74:34Leroy Fer (Queens Park Rangers) wins a free kick in the attacking half.
74:34Foul by Anton Ferdinand (Reading).
73:38Foul by Charlie Austin (Queens Park Rangers).
73:38Chris Gunter (Reading) wins a free kick in the defensive half.
72:51Sandro (Queens Park Rangers) wins a free kick in the defensive half.
72:51Foul by Danny Williams (Reading).
72:32 SubstitutionSubstitution Substitution, Reading. Hal Robson-Kanu replaces Álex Fernández.
72:03Corner, Reading. Conceded by Grant Hall.
71:01Alejandro Faurlin (Queens Park Rangers) wins a free kick on the right wing.
71:01Foul by Danny Williams (Reading).
70:00Offside, Reading. Michael Hector tries a through ball, but Matej Vydra is caught offside.
69:33Foul by Grant Hall (Queens Park Rangers).
69:33Michael Hector (Reading) wins a free kick in the defensive half.
68:58Alejandro Faurlin (Queens Park Rangers) wins a free kick in the attacking half.
68:58Foul by Danny Williams (Reading).
67:54 BookingBooking Oliver Norwood (Reading) is shown the yellow card for a bad foul.
67:43Alejandro Faurlin (Queens Park Rangers) wins a free kick in the attacking half.
67:43Foul by Oliver Norwood (Reading).
64:17Álex Fernández (Reading) wins a free kick in the defensive half.
64:17Foul by Matthew Phillips (Queens Park Rangers).
63:09Nick Blackman (Reading) hits the bar with a left footed shot from outside the box from a direct free kick.
62:34 SubstitutionSubstitution Substitution, Queens Park Rangers. Charlie Austin replaces Michael Petrasso.
62:03Nick Blackman (Reading) wins a free kick in the attacking half.
62:03Foul by Alejandro Faurlin (Queens Park Rangers).
60:26Delay over. They are ready to continue.
59:14Delay in match Alejandro Faurlin (Queens Park Rangers) because of an injury.
57:29Attempt missed. Michael Hector (Reading) header from very close range is just a bit too high. Assisted by Garath McCleary with a cross following a corner.
57:07Corner, Reading. Conceded by Nedum Onuoha.
57:05Attempt blocked. Michael Hector (Reading) right footed shot from the centre of the box is blocked.
56:59Attempt blocked. Michael Hector (Reading) header from the centre of the box is blocked. Assisted by Oliver Norwood.
56:21Foul by Sandro (Queens Park Rangers).
56:21Nick Blackman (Reading) wins a free kick on the right wing.
56:02Delay over. They are ready to continue.
55:22Delay in match Junior Hoilett (Queens Park Rangers) because of an injury.
53:10Attempt blocked. Michael Petrasso (Queens Park Rangers) right footed shot from the centre of the box is blocked. Assisted by James Perch.
51:13Corner, Queens Park Rangers. Conceded by Michael Hector.
45:00Second Half begins Reading 0, Queens Park Rangers 0.
45:00 +1:06 Half timeHalf Time First Half ends, Reading 0, Queens Park Rangers 0.
44:33Attempt missed. Andrew Taylor (Reading) left footed shot from outside the box is high and wide to the left.
43:14Attempt blocked. Sandro (Queens Park Rangers) right footed shot from outside the box is blocked.
42:33Corner, Queens Park Rangers. Conceded by Oliver Norwood.
40:27 BookingBooking Grant Hall (Queens Park Rangers) is shown the yellow card for hand ball.
40:26Hand ball by Grant Hall (Queens Park Rangers).
38:46Offside, Queens Park Rangers. Sandro tries a through ball, but Junior Hoilett is caught offside.
38:41Attempt missed. Sandro (Queens Park Rangers) right footed shot from outside the box misses to the right.
37:36Corner, Reading. Conceded by Grant Hall.
35:08Corner, Queens Park Rangers. Conceded by Andrew Taylor.
33:31Matthew Phillips (Queens Park Rangers) wins a free kick in the attacking half.
33:31Foul by Michael Hector (Reading).
29:24Offside, Reading. Oliver Norwood tries a through ball, but Michael Hector is caught offside.
28:53 BookingBooking Leroy Fer (Queens Park Rangers) is shown the yellow card for a bad foul.
28:39Oliver Norwood (Reading) wins a free kick in the attacking half.
28:39Foul by Leroy Fer (Queens Park Rangers).
25:34Attempt missed. Nick Blackman (Reading) right footed shot from the right side of the box misses to the left. Assisted by Chris Gunter with a through ball.
25:18Attempt saved. Junior Hoilett (Queens Park Rangers) left footed shot from the left side of the box is saved in the centre of the goal.
24:16Matej Vydra (Reading) wins a free kick in the defensive half.
24:16Foul by Sandro (Queens Park Rangers).
22:03Attempt blocked. Nick Blackman (Reading) left footed shot from outside the box is blocked. Assisted by Matej Vydra.
21:21Foul by Oliver Norwood (Reading).
21:21Leroy Fer (Queens Park Rangers) wins a free kick in the attacking half.
19:43Foul by Michael Hector (Reading).
19:43Nedum Onuoha (Queens Park Rangers) wins a free kick in the defensive half.
18:34Garath McCleary (Reading) wins a free kick on the right wing.
18:34Foul by Paul Konchesky (Queens Park Rangers).
16:54Garath McCleary (Reading) wins a free kick in the defensive half.
16:54Foul by Junior Hoilett (Queens Park Rangers).
12:47Offside, Queens Park Rangers. Grant Hall tries a through ball, but Matthew Phillips is caught offside.
12:12Foul by Garath McCleary (Reading).
12:12Junior Hoilett (Queens Park Rangers) wins a free kick in the defensive half.
9:25Garath McCleary (Reading) wins a free kick on the right wing.
9:25Foul by Leroy Fer (Queens Park Rangers).
8:39Attempt missed. Michael Hector (Reading) header from the left side of the six yard box misses to the right. Assisted by Oliver Norwood with a cross following a set piece situation.
7:54Garath McCleary (Reading) wins a free kick on the right wing.
7:54Foul by Paul Konchesky (Queens Park Rangers).
7:04Álex Fernández (Reading) wins a free kick in the defensive half.
7:04Foul by Michael Petrasso (Queens Park Rangers).
4:14Hand ball by Junior Hoilett (Queens Park Rangers).
0:56Foul by Junior Hoilett (Queens Park Rangers).
0:56Álex Fernández (Reading) wins a free kick in the defensive half.
0:00First Half begins.
0:00Lineups are announced and players are warming up.
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