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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kb6 draw
6 Kb7 draw
7 Kb8 draw
8 Kc6 draw
9 Kc8 draw
10 Ra3 draw
11 Rb1 draw
12 Rb2 draw
13 Rb5 draw
14 Rb7 draw
15 Rc3 draw
16 Rd3 draw
17 Re3 draw
18 Kd6 loss in 2 half-moves
19 Kd7 loss in 2 half-moves
20 Kd8 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rh3 loss in 2 half-moves