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 Kb3 win in 3 half-moves
3 K1b2 draw
4 K1c2 draw
5 Ra1 draw
6 Ra2 draw
7 Ra6 draw
8 Ra7 draw
9 Ra8 draw
10 Rb3 draw
11 K1d2 loss in 2 half-moves
12 K3b2 loss in 2 half-moves
13 K3c2 loss in 2 half-moves
14 K3d2 loss in 2 half-moves
15 Kb4 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kd1 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra5 loss in 2 half-moves