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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 Rb8 win in 3 half-moves
2 Ka2 win in 5 half-moves
3 Kb2 win in 5 half-moves
4 Ka5 draw
5 Ka7 draw
6 Kb1 draw
7 Kb5 draw
8 Kb6 draw
9 Kb7 draw
10 Ra8 draw
11 Rc3 draw
12 Rd8 draw
13 Re8 draw
14 Rf8 draw
15 Rc1 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves