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 Kcb7 win in 3 half-moves
4 Kd5 win in 3 half-moves
5 Kd6 win in 3 half-moves
6 Kd7 win in 3 half-moves
7 Ra7 win in 3 half-moves
8 Rb7 win in 3 half-moves
9 Rd7 win in 3 half-moves
10 Rc8 win in 5 half-moves
11 Ka7 draw
12 Ka8 draw
13 Kbb7 draw
14 Kc5 draw
15 Kc8 draw
16 Re7 draw
17 Rf7 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rh7 loss in 2 half-moves