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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Ka5 draw
3 Rb2 loss in 8 half-moves
4 Rb3 loss in 8 half-moves
5 Ka3 loss in 4 half-moves
6 Kb3 loss in 4 half-moves
7 Ra1 loss in 4 half-moves
8 Rb4 loss in 4 half-moves
9 Rf1 loss in 4 half-moves
10 Rg1 loss in 4 half-moves
11 Rh1 loss in 4 half-moves
12 Kb4 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re1 loss in 2 half-moves