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

EGTB: win in 4 half-moves

# move score
1 Kd7 win in 3 half-moves
2 Kd8 win in 5 half-moves
3 Kb8 draw
4 Kg4 draw
5 Kg5 draw
6 Kg6 draw
7 Kh4 draw
8 Kh6 draw
9 Rd8 draw
10 Re8 draw
11 Rf8 draw
12 Rg1 draw
13 Rg2 draw
14 Rg3 draw
15 Rg7 draw
16 Rh8 draw
17 Kb7 loss in 2 half-moves
18 Kc7 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rg6 loss in 2 half-moves