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

EGTB: win in 10 half-moves

# move score
1 Kb5 win in 9 half-moves
2 Rd4 win in 11 half-moves
3 Kb4 win in 13 half-moves
4 Kc5 win in 13 half-moves
5 Kcd5 win in 13 half-moves
6 Ked5 win in 13 half-moves
7 Rf4 win in 13 half-moves
8 Rg4 win in 13 half-moves
9 Rh4 win in 13 half-moves
10 Kcd4 win in 15 half-moves
11 Ke6 win in 15 half-moves
12 Re1 win in 15 half-moves
13 Re2 win in 15 half-moves
14 Re3 win in 15 half-moves
15 Kc3 win in 17 half-moves
16 Kd3 win in 17 half-moves
17 Kf4 win in 17 half-moves
18 Kf5 win in 17 half-moves
19 Kf6 win in 17 half-moves
20 Ked4 win in 21 half-moves
21 Kb3 win in 37 half-moves
22 Kd6 loss in 2 half-moves