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 Ka6 draw
3 Ka7 draw
4 Ka8 draw
5 Kb6 draw
6 Kb8 draw
7 Kc1 draw
8 Kc2 draw
9 Kc6 draw
10 Kc7 draw
11 Kc8 draw
12 Kd2 draw
13 Ke2 draw
14 Ra1 draw
15 Rb2 draw
16 Rb3 draw
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Ke1 loss in 1 half-moves