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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rb4 win in 1 half-moves
3 Rb5 win in 1 half-moves
4 Rb6 win in 1 half-moves
5 Rb7 win in 1 half-moves
6 Kb7 draw
7 Kc7 draw
8 Kd7 draw
9 Kd8 draw
10 Kf5 draw
11 Kf6 draw
12 Kf7 draw
13 Kg5 draw
14 Kg7 draw
15 Kh5 draw
16 Kh6 draw
17 Kh7 draw
18 Ra8 draw
19 Rb1 draw
20 Rb3 loss in 1 half-moves