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 Kb4 win in 3 half-moves
3 Kb5 win in 3 half-moves
4 Kc3 win in 3 half-moves
5 Kc5 win in 3 half-moves
6 Kcd3 win in 3 half-moves
7 Kcd5 win in 7 half-moves
8 Rd8 draw
9 Ke3 loss in 2 half-moves
10 Ke5 loss in 2 half-moves
11 Ked3 loss in 2 half-moves
12 Ked5 loss in 2 half-moves
13 Kf3 loss in 2 half-moves
14 Kf4 loss in 2 half-moves
15 Kf5 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Rd5 loss in 2 half-moves
20 Rd6 loss in 2 half-moves
21 Rd7 loss in 2 half-moves