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 Kd4 win in 3 half-moves
3 Kd5 win in 3 half-moves
4 Kc4 win in 7 half-moves
5 Ke3 win in 11 half-moves
6 Kb5 draw
7 Ke1 draw
8 Ke2 draw
9 Kf3 draw
10 Kg1 draw
11 Kg2 draw
12 Kg3 draw
13 Ra1 draw
14 Rc1 draw
15 Rg1 draw
16 Rh1 draw
17 Kb6 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rd1 loss in 2 half-moves
22 Re1 loss in 2 half-moves