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 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Kc5 draw
6 Kc6 draw
7 Kc7 draw
8 Kd5 draw
9 Kd7 draw
10 Ke5 draw
11 Ke6 draw
12 Ke7 draw
13 Rb1 draw
14 Rb2 draw
15 Rc3 draw
16 Rd3 draw
17 Rh3 draw
18 Ra3 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rg3 loss in 2 half-moves