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

EGTB: win in 4 half-moves

# move score
1 Kg7 win in 3 half-moves
2 Kb5 draw
3 Kb6 draw
4 Kc6 draw
5 Kd5 draw
6 Kd6 draw
7 Kg8 draw
8 Kh7 draw
9 Ra6 draw
10 Rb5 draw
11 Kb4 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Ra1 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Ra8 loss in 2 half-moves