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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb2 win in 3 half-moves
3 Rb3 win in 3 half-moves
4 Rb4 win in 3 half-moves
5 Rb5 win in 3 half-moves
6 Rb6 win in 3 half-moves
7 Rb7 draw
8 Ka4 loss in 2 half-moves
9 Ka6 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kd8 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Kb7 loss in 1 half-moves
16 Kc7 loss in 1 half-moves
17 Kd7 loss in 1 half-moves