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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Kd7 win in 5 half-moves
5 Kd6 win in 11 half-moves
6 Ka4 draw
7 Ka6 draw
8 Kd5 draw
9 Ke5 draw
10 Ke7 draw
11 Kf7 draw
12 Ra6 draw
13 Ra8 draw
14 Rb7 draw
15 Rc7 draw
16 Rd7 draw
17 Re7 draw
18 Rf7 draw
19 Kf5 loss in 2 half-moves
20 Kf6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves