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

EGTB: win in 8 half-moves

# move score
1 Rb4 win in 7 half-moves
2 Kb4 win in 9 half-moves
3 Ra2 win in 9 half-moves
4 Kc1 draw
5 Kc2 draw
6 Ke1 draw
7 Ke2 draw
8 Ra1 draw
9 Ra3 draw
10 Ra7 draw
11 Ra8 draw
12 Kb3 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kd2 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra6 loss in 2 half-moves