Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Kb8 draw
3 Kc7 draw
4 Kd1 draw
5 Kd2 draw
6 Kd7 draw
7 Kd8 draw
8 Ke2 draw
9 Kf1 draw
10 Rb2 draw
11 Rb6 draw
12 Rb7 draw
13 Rb8 draw
14 Rc1 draw
15 Rd1 draw
16 Kb7 loss in 2 half-moves
17 Kf2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves