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 Ka7 win in 3 half-moves
2 Ra7 win in 3 half-moves
3 Kba5 win in 5 half-moves
4 Kc5 win in 5 half-moves
5 Rb8 win in 5 half-moves
6 Kb4 win in 9 half-moves
7 Kc4 win in 9 half-moves
8 Kc6 win in 11 half-moves
9 Ka4 draw
10 Kaa5 draw
11 Kbb6 draw
12 Rh8 draw
13 Kab6 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves