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 Rb1 win in 3 half-moves
3 Kcd1 win in 5 half-moves
4 Ra2 win in 5 half-moves
5 Kd3 win in 7 half-moves
6 Ked1 win in 7 half-moves
7 Ked2 win in 7 half-moves
8 Ke1 draw
9 Ke3 draw
10 Ra6 draw
11 Kb2 loss in 2 half-moves
12 Kc2 loss in 2 half-moves
13 Kcd2 loss in 2 half-moves
14 Kf1 loss in 2 half-moves
15 Kf2 loss in 2 half-moves
16 Kf3 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Ra8 loss in 2 half-moves