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 36 half-moves

# move score
1 Kb3 win in 35 half-moves
2 Kb4 win in 35 half-moves
3 Kc5 win in 35 half-moves
4 Kd6 win in 35 half-moves
5 Ka4 win in 37 half-moves
6 Kb2 win in 37 half-moves
7 Ra6 win in 37 half-moves
8 Rb5 win in 37 half-moves
9 Ka2 win in 39 half-moves
10 Rb7 win in 39 half-moves
11 Rb8 win in 39 half-moves
12 Kb7 win in 41 half-moves
13 Kc7 win in 41 half-moves
14 Kd7 win in 41 half-moves
15 Kb5 win in 43 half-moves
16 Rb4 win in 49 half-moves
17 Kd5 win in 53 half-moves
18 Rb1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb3 loss in 2 half-moves