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

EGTB: win in 4 half-moves

# move score
1 Kcc5 win in 3 half-moves
2 Kd5 win in 3 half-moves
3 Rb3 win in 3 half-moves
4 Kd4 win in 5 half-moves
5 Ka5 win in 7 half-moves
6 Ka6 win in 7 half-moves
7 Kb6 win in 7 half-moves
8 Kbc5 win in 7 half-moves
9 Kc6 win in 7 half-moves
10 Ra4 win in 7 half-moves
11 Ka4 draw
12 Kb3 draw
13 Kc3 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves