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

EGTB: win in 4 half-moves

# move score
1 Kc2 win in 3 half-moves
2 Kc3 win in 3 half-moves
3 Kde2 win in 3 half-moves
4 Rc1 win in 3 half-moves
5 Kd3 win in 7 half-moves
6 Kee2 win in 7 half-moves
7 Kf1 win in 7 half-moves
8 Kc1 draw
9 Kf2 draw
10 Ra1 draw
11 Rb1 draw
12 Ke3 loss in 2 half-moves