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 Kb1 draw
3 Kb2 draw
4 Kb6 draw
5 Kb7 draw
6 Kb8 draw
7 Kc2 draw
8 Kc6 draw
9 Kc8 draw
10 Kd1 draw
11 Kd2 draw
12 Ra3 draw
13 Rb1 draw
14 Rb2 draw
15 Rb5 draw
16 Rb6 draw
17 Rb7 draw
18 Rc3 draw
19 Rh3 draw
20 Kd6 loss in 2 half-moves
21 Kd7 loss in 2 half-moves
22 Kd8 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Rd3 loss in 2 half-moves
25 Re3 loss in 2 half-moves
26 Rf3 loss in 2 half-moves
27 Rg3 loss in 2 half-moves