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 Rg5 win in 3 half-moves
3 Rg7 win in 9 half-moves
4 Ka4 draw
5 Ka6 draw
6 Kb4 draw
7 Kb6 draw
8 Kd6 draw
9 Ke5 draw
10 Ke7 draw
11 Kf5 draw
12 Kf6 draw
13 Kf7 draw
14 Rg3 draw
15 Rg4 draw
16 Rg8 draw
17 Rh6 draw
18 Kb5 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rg2 loss in 2 half-moves