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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kd5 win in 7 half-moves
3 Kd6 win in 7 half-moves
4 Rd2 win in 7 half-moves
5 Rc1 win in 11 half-moves
6 Rc3 win in 11 half-moves
7 Rc4 win in 11 half-moves
8 Re2 win in 11 half-moves
9 Rf2 win in 11 half-moves
10 Rg2 win in 11 half-moves
11 Rh2 win in 11 half-moves
12 Kd4 win in 15 half-moves
13 Kb4 win in 17 half-moves
14 Kc4 win in 21 half-moves
15 Kb6 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Rb2 loss in 2 half-moves