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

EGTB: win in 4 half-moves

# move score
1 K8c7 win in 3 half-moves
2 K8e7 win in 3 half-moves
3 K7c7 win in 5 half-moves
4 K7c8 win in 5 half-moves
5 K8c8 win in 5 half-moves
6 Rg6 win in 5 half-moves
7 Ke6 win in 9 half-moves
8 K7e7 draw
9 K7e8 draw
10 K8e8 draw
11 Kc6 draw
12 Kd6 draw
13 Rf8 draw
14 Rg3 draw
15 Rg4 draw
16 Rg5 draw
17 Rg7 draw
18 Rh8 draw
19 Re8 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rg2 loss in 2 half-moves