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

EGTB: win in 4 half-moves

# move score
1 Kg6 win in 3 half-moves
2 Kd5 draw
3 Kd6 draw
4 Ke6 draw
5 Kg4 draw
6 Kg5 draw
7 Kh4 draw
8 Kh6 draw
9 Re6 draw
10 Re8 draw
11 Rh7 draw
12 Kd4 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Kf4 loss in 2 half-moves
15 Kf5 loss in 2 half-moves
16 Kf6 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rc7 loss in 2 half-moves
20 Rd7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves