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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb2 win in 1 half-moves
3 Rb4 win in 1 half-moves
4 Rb5 win in 1 half-moves
5 Rb6 win in 1 half-moves
6 Rb8 win in 1 half-moves
7 Ka7 draw
8 Kb7 draw
9 Kb8 draw
10 Kc2 draw
11 Kc3 draw
12 Kc4 draw
13 Kd2 draw
14 Kd4 draw
15 Ke2 draw
16 Ke3 draw
17 Ke4 draw
18 Ra3 draw
19 Rc3 draw
20 Rb7 loss in 1 half-moves