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 Kb7 win in 3 half-moves
4 Kc2 win in 3 half-moves
5 Kd2 win in 3 half-moves
6 Kd4 win in 3 half-moves
7 Ka5 win in 5 half-moves
8 Kc3 win in 5 half-moves
9 Kc4 win in 5 half-moves
10 Ka7 draw
11 Ke2 draw
12 Ke3 draw
13 Ke4 draw
14 Ra7 draw
15 Rb7 draw
16 Rc1 draw
17 Rc3 draw
18 Rc6 draw
19 Rc8 draw
20 Rd7 draw
21 Re7 draw
22 Rf7 draw
23 Rc2 loss in 2 half-moves
24 Rc4 loss in 2 half-moves
25 Rc5 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves