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 Kb5 win in 3 half-moves
2 Ra7 win in 5 half-moves
3 Kc7 win in 15 half-moves
4 Ra8 win in 21 half-moves
5 Ka3 draw
6 Ka5 draw
7 Ka7 draw
8 Ka8 draw
9 Kb3 draw
10 Kb4 draw
11 Kb7 draw
12 Kc8 draw
13 Rb6 draw
14 Rc6 draw
15 Rd6 draw
16 Re6 draw
17 Ra5 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rh6 loss in 2 half-moves