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 Ka4 draw
3 Ka6 draw
4 Kb4 draw
5 Kb6 draw
6 Kf4 draw
7 Kf5 draw
8 Kg4 draw
9 Kh4 draw
10 Kh5 draw
11 Ra1 draw
12 Rb1 draw
13 Rc2 draw
14 Rc3 draw
15 Rc4 draw
16 Rc5 draw
17 Rd1 draw
18 Re1 draw
19 Rf1 draw
20 Rg1 draw
21 Kf6 loss in 2 half-moves
22 Kg6 loss in 2 half-moves
23 Kh6 loss in 2 half-moves
24 Rc6 loss in 2 half-moves
25 Rc7 loss in 2 half-moves
26 Rc8 loss in 2 half-moves
27 Rh1 loss in 2 half-moves