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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 Ra6 win in 3 half-moves
2 Kc6 win in 7 half-moves
3 Kbb6 win in 9 half-moves
4 Ra7 win in 11 half-moves
5 Kaa6 draw
6 Kba6 draw
7 Kc5 draw
8 Rb8 draw
9 Kaa4 loss in 2 half-moves
10 Kab4 loss in 2 half-moves
11 Kab6 loss in 2 half-moves
12 Kba4 loss in 2 half-moves
13 Kbb4 loss in 2 half-moves
14 Kc4 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
20 Rh8 loss in 2 half-moves