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

EGTB: win in 4 half-moves

# move score
1 Kg8 win in 3 half-moves
2 Ka5 draw
3 Kb5 draw
4 Kb7 draw
5 Kc5 draw
6 Kg6 draw
7 Kg7 draw
8 Kh6 draw
9 Kh8 draw
10 Rb7 draw
11 Re8 draw
12 Rh8 draw
13 Ka6 loss in 2 half-moves
14 Ka7 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves