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

EGTB: win in 4 half-moves

# move score
1 K1b2 win in 3 half-moves
2 Kb1 win in 3 half-moves
3 Kb3 win in 3 half-moves
4 Rb3 win in 3 half-moves
5 K1c2 draw
6 K1d2 draw
7 Kd1 draw
8 Kd3 draw
9 Ra1 draw
10 Ra2 draw
11 Ra6 draw
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 Kd4 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