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 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kc6 draw
6 Kc8 draw
7 Kd6 draw
8 Kd7 draw
9 Kd8 draw
10 Ra1 draw
11 Rb3 draw
12 Rb5 draw
13 Rb6 draw
14 Rb7 draw
15 Rc1 draw
16 Rd1 draw
17 Re1 draw
18 Rf1 draw
19 Rg1 draw
20 Rb2 loss in 2 half-moves
21 Rb8 loss in 2 half-moves
22 Rh1 loss in 2 half-moves