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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kd3 win in 3 half-moves
3 Rd1 win in 3 half-moves
4 Kb5 win in 9 half-moves
5 Kc5 win in 9 half-moves
6 Kc3 win in 11 half-moves
7 Kd1 win in 11 half-moves
8 Kd5 win in 11 half-moves
9 Kf1 win in 11 half-moves
10 Kb4 win in 13 half-moves
11 Kd4 win in 13 half-moves
12 Ra1 win in 15 half-moves
13 Rb1 win in 15 half-moves
14 Kd2 loss in 2 half-moves
15 Ke2 loss in 2 half-moves
16 Kf2 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rc3 loss in 2 half-moves