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

EGTB: win in 2 half-moves

# move score
1 Kb2 win in 1 half-moves
2 Kb3 win in 1 half-moves
3 Kb4 win in 1 half-moves
4 Rb1 win in 1 half-moves
5 Kc2 win in 3 half-moves
6 Ra2 win in 3 half-moves
7 Ka4 win in 15 half-moves
8 Kd2 win in 21 half-moves
9 Ke1 win in 23 half-moves
10 Ke2 win in 23 half-moves
11 Kc1 win in 27 half-moves
12 Ka2 win in 35 half-moves
13 Rc1 loss in 2 half-moves