8
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2
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1
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Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Kg5 win in 3 half-moves
2 Kg7 win in 3 half-moves
3 Kh7 win in 3 half-moves
4 Kh8 win in 3 half-moves
5 Rg5 win in 3 half-moves
6 Kf7 win in 7 half-moves
7 Kf8 win in 7 half-moves
8 Rh7 win in 7 half-moves
9 Rh8 win in 7 half-moves
10 Ke5 draw
11 Rh2 draw
12 Ke4 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Kf4 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Kg4 loss in 2 half-moves
17 Kg6 loss in 2 half-moves
18 Rh1 loss in 2 half-moves
19 Rh3 loss in 2 half-moves
20 Rh4 loss in 2 half-moves
21 Rh6 loss in 2 half-moves