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

EGTB: win in 4 half-moves

# move score
1 K5c4 win in 3 half-moves
2 K5e4 win in 3 half-moves
3 Kc5 win in 3 half-moves
4 Kc6 win in 3 half-moves
5 Rc4 win in 3 half-moves
6 K3e4 win in 7 half-moves
7 Kc2 win in 7 half-moves
8 Kc3 win in 7 half-moves
9 Kd2 win in 7 half-moves
10 Kd6 win in 7 half-moves
11 Ke2 win in 7 half-moves
12 Ke3 win in 7 half-moves
13 K3c4 win in 9 half-moves
14 Ke5 draw
15 Ke6 draw
16 Ra4 draw
17 Rb4 draw
18 Re4 draw
19 Rf4 draw
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves