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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ka2 draw
3 Kg5 draw
4 Kg6 draw
5 Kg7 draw
6 Kh5 draw
7 Kh7 draw
8 Ra8 draw
9 Rc1 draw
10 Rc2 draw
11 Rc3 draw
12 Rc4 draw
13 Rc5 draw
14 Rc6 draw
15 Rc7 draw
16 Rd8 draw
17 Re8 draw
18 Rf8 draw
19 Rg8 draw
20 Rh8 draw
21 Ka1 loss in 2 half-moves
22 Ka3 loss in 2 half-moves
23 Kb1 loss in 2 half-moves
24 Kb3 loss in 2 half-moves
25 Kc1 loss in 2 half-moves
26 Kc3 loss in 2 half-moves
27 Kc2 loss in 1 half-moves