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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kc7 win in 3 half-moves
3 Rb4 win in 3 half-moves
4 Rb5 win in 3 half-moves
5 Rb7 win in 3 half-moves
6 Ka5 win in 7 half-moves
7 Rb6 win in 7 half-moves
8 Ka3 win in 9 half-moves
9 Kb4 win in 15 half-moves
10 Kb5 win in 19 half-moves
11 Kd8 win in 21 half-moves
12 Kb3 win in 25 half-moves
13 Ra8 win in 25 half-moves
14 Kd7 draw
15 Rb3 draw
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves