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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kb8 win in 3 half-moves
3 Kc6 win in 3 half-moves
4 Kc8 win in 3 half-moves
5 Kcd6 win in 3 half-moves
6 Kcd8 win in 3 half-moves
7 Ke6 win in 3 half-moves
8 Ke8 win in 3 half-moves
9 Kf6 win in 3 half-moves
10 Kf7 win in 3 half-moves
11 Kf8 win in 3 half-moves
12 Rd6 win in 3 half-moves
13 Rd8 win in 3 half-moves
14 Kb6 draw
15 Ked6 draw
16 Ked8 draw
17 Rd4 draw
18 Rd5 draw
19 Rd1 loss in 2 half-moves
20 Rd2 loss in 2 half-moves
21 Rd3 loss in 2 half-moves