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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Kd5 win in 3 half-moves
5 Kd6 win in 3 half-moves
6 Kc1 win in 5 half-moves
7 Kc3 win in 5 half-moves
8 Kc4 win in 5 half-moves
9 Kc6 win in 5 half-moves
10 Kd1 win in 5 half-moves
11 Kd3 win in 5 half-moves
12 Kd4 win in 5 half-moves
13 Ra2 win in 5 half-moves
14 Rb2 win in 5 half-moves
15 Rc1 win in 5 half-moves
16 Rc3 win in 5 half-moves
17 Ke1 draw
18 Ke2 loss in 2 half-moves
19 Ke3 loss in 2 half-moves
20 Rc4 loss in 2 half-moves