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 Ka4 win in 9 half-moves
6 Ka6 win in 9 half-moves
7 Kb4 win in 9 half-moves
8 Kc7 win in 9 half-moves
9 Kc8 win in 11 half-moves
10 Kc6 win in 13 half-moves
11 Kd6 win in 13 half-moves
12 Kd8 win in 13 half-moves
13 Ra8 win in 21 half-moves
14 Ke6 draw
15 Ke7 draw
16 Ke8 draw
17 Ra6 loss in 2 half-moves