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 Kcd1 draw
4 Kcd2 draw
5 Ked1 draw
6 Ked2 draw
7 Kf1 draw
8 Kf2 draw
9 Ra2 draw
10 Ra3 draw
11 Kc2 loss in 2 half-moves
12 Ke2 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rb1 loss in 2 half-moves