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 Rb3 win in 1 half-moves
4 Rb4 win in 1 half-moves
5 Kc7 draw
6 Kd1 draw
7 Kd2 draw
8 Ke1 draw
9 Kf1 draw
10 Kf2 draw
11 Ra8 draw
12 Rb6 draw
13 Rb7 draw
14 Kb7 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Kd8 loss in 2 half-moves
17 Kd3 loss in 1 half-moves
18 Ke3 loss in 1 half-moves
19 Kf3 loss in 1 half-moves
20 Rb5 loss in 1 half-moves