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

EGTB: win in 56 half-moves

# move score
1 Ra8 win in 55 half-moves
2 Kb6 draw
3 Kc6 draw
4 Ra1 draw
5 Ra2 draw
6 Ra3 draw
7 Ra7 draw
8 Re6 draw
9 Rf6 draw
10 Rg6 draw
11 Kb7 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Kc8 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Kd8 loss in 2 half-moves
17 Kf7 loss in 2 half-moves
18 Kf8 loss in 2 half-moves
19 Kg7 loss in 2 half-moves
20 Kh7 loss in 2 half-moves
21 Kh8 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Ra5 loss in 2 half-moves
24 Rb6 loss in 2 half-moves
25 Rc6 loss in 2 half-moves
26 Rd6 loss in 2 half-moves
27 Rh6 loss in 2 half-moves