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Find the pair's shape as for F2L, then count the misoriented last-layer edges (a top edge whose top facet does not show the top colour).
Your status
Algorithms (12)
(U) first, then:
Rw U' R' U' R U Rw'
My choice
7 HTM · 7 STM · 7 QTM
2-gen
rotationless
oh
<U,R>
Do U first (AUF) on the case as drawn. · Cubemuch
F' U F U' R U R'
7 HTM · 7 STM · 7 QTM
3-gen
rotationless
<U,R,F>
Cubemuch
(U) first, then:
R U' Rw' U' R U R2 Rw
8 HTM · 8 STM · 9 QTM
2-gen
rotationless
oh
<U,R>
Do U first (AUF) on the case as drawn. · Cubemuch
R U' x' R U' R' U x U2 R'
8 HTM · 8 STM · 9 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
(U') first, then:
R U R2 F R F' R U R'
9 HTM · 9 STM · 10 QTM
3-gen
rotationless
<U,R,F>
Do U' first (AUF) on the case as drawn. · Cubemuch
(U') first, then:
R B' R B x R2 B R B R'
9 HTM · 9 STM · 10 QTM
2-gen
rotation
<R,B>
Do U' first (AUF) on the case as drawn. · Cubemuch
y' R' U R y U' R U R'
7 HTM · 7 STM · 7 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
(U2) first, then:
y' R' U' R y U2 R U R'
7 HTM · 7 STM · 8 QTM
2-gen
rotation
oh
<U,R>
Do U2 first (AUF) on the case as drawn. · Cubemuch
y L' U2 x' U L' U' x L U' L
8 HTM · 8 STM · 9 QTM
2-gen
rotation
<U,L>
Cubemuch
(U2) first, then:
y L' y' U' L' U L y U2 L
7 HTM · 7 STM · 8 QTM
2-gen
rotation
<U,L>
Do U2 first (AUF) on the case as drawn. · Cubemuch
(U) first, then:
L y2 B' L' B' L B y2 L'
7 HTM · 7 STM · 7 QTM
2-gen
rotation
<L,B>
Do U first (AUF) on the case as drawn. · Cubemuch
x U R' U' R y R y' R' U R U'
9 HTM · 9 STM · 9 QTM
2-gen
rotation
oh
<U,R>
Cubemuch
How this case is verified
The case is the source's setup (or, where it has none, another source algorithm reversed). Setup: R U' R' U F' U' F. Every algorithm above was run by our logic engine from that state and reaches "f2l-eo".