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 Kc6 draw
9 Kc7 draw
10 Kc8 draw
11 Ke1 draw
12 Ra1 draw
13 Rc1 draw
14 Kc2 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves