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 Ka7 draw
3 Kb8 draw
4 Kc3 draw
5 Kc4 draw
6 Kc5 draw
7 Kd3 draw
8 Ke3 draw
9 Ke4 draw
10 Ra1 draw
11 Ra2 draw
12 Ra3 draw
13 Ra4 draw
14 Ra5 draw
15 Rb6 draw
16 Rc6 draw
17 Rg6 draw
18 Rh6 draw
19 Kd5 loss in 2 half-moves
20 Ke5 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Rd6 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Rf6 loss in 2 half-moves