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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Rb7 win in 3 half-moves
4 Rc7 win in 3 half-moves
5 Kc6 win in 5 half-moves
6 Kc8 win in 7 half-moves
7 Ka6 win in 9 half-moves
8 Kb4 win in 9 half-moves
9 Kc7 win in 9 half-moves
10 Ra6 win in 11 half-moves
11 Kd6 win in 15 half-moves
12 Kd8 win in 15 half-moves
13 Ka4 draw
14 Ke7 draw
15 Ke8 draw
16 Ra8 draw
17 Ke6 loss in 2 half-moves