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

EGTB: win in 4 half-moves

# move score
1 Kf7 win in 3 half-moves
2 Kd7 draw
3 Kd8 draw
4 Ke2 draw
5 Ke7 draw
6 Kf8 draw
7 Rg5 draw
8 Rg8 draw
9 Rh2 draw
10 Ke1 loss in 2 half-moves
11 Ke3 loss in 2 half-moves
12 Kf1 loss in 2 half-moves
13 Kf3 loss in 2 half-moves
14 Kg1 loss in 2 half-moves
15 Kg3 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rg7 loss in 2 half-moves