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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 K5c6 win in 7 half-moves
3 K5d6 win in 7 half-moves
4 K5e6 win in 7 half-moves
5 Kc4 win in 7 half-moves
6 Kc5 win in 7 half-moves
7 Kc7 win in 7 half-moves
8 Kc8 win in 7 half-moves
9 Kd4 win in 7 half-moves
10 Ke4 win in 7 half-moves
11 Ke5 win in 7 half-moves
12 Ke7 win in 7 half-moves
13 Ra8 win in 7 half-moves
14 Rb8 win in 7 half-moves
15 Rf8 win in 7 half-moves
16 Ke8 win in 13 half-moves
17 K7c6 draw
18 K7d6 draw
19 K7e6 draw
20 Re8 draw
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves