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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Kb2 win in 3 half-moves
3 Kb3 win in 3 half-moves
4 Ra3 win in 3 half-moves
5 Rb2 win in 3 half-moves
6 Kcc1 win in 5 half-moves
7 Kcc3 win in 5 half-moves
8 Kcd3 win in 5 half-moves
9 Kdc1 win in 5 half-moves
10 Kdc3 win in 5 half-moves
11 Kdd1 win in 5 half-moves
12 Kdd3 win in 5 half-moves
13 Kcd1 win in 9 half-moves
14 Ra5 win in 9 half-moves
15 Ra6 win in 9 half-moves
16 Ra7 win in 9 half-moves
17 Ra8 win in 9 half-moves
18 Ra4 draw
19 Ke1 loss in 2 half-moves
20 Ke2 loss in 2 half-moves
21 Ke3 loss in 2 half-moves
22 Ra1 loss in 2 half-moves