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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kb5 draw
5 Kf6 draw
6 Kf7 draw
7 Kf8 draw
8 Kg6 draw
9 Kg8 draw
10 Kh6 draw
11 Kh7 draw
12 Kh8 draw
13 Ra4 draw
14 Ra5 draw
15 Rb3 draw
16 Rc3 draw
17 Rd3 draw
18 Rh3 draw
19 Kb6 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Ra2 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rg3 loss in 2 half-moves