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 Kbc3 win in 3 half-moves
3 Ra1 win in 3 half-moves
4 Ra5 win in 3 half-moves
5 Ka3 win in 7 half-moves
6 Kc2 win in 7 half-moves
7 Kd3 win in 7 half-moves
8 Kdc3 win in 7 half-moves
9 Ra2 win in 7 half-moves
10 Ka5 draw
11 Kc1 draw
12 Kc4 draw
13 Kd1 draw
14 Ke1 draw
15 Ke2 draw
16 Ke3 draw
17 Ra3 draw
18 Kb5 loss in 2 half-moves
19 Kc5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Ra8 loss in 2 half-moves