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

EGTB: win in 16 half-moves

# move score
1 Rb5 win in 15 half-moves
2 Kb5 draw
3 Kd1 draw
4 Kd2 draw
5 Kd5 draw
6 Kf1 draw
7 Kf2 draw
8 Ra1 draw
9 Ra2 draw
10 Ra3 draw
11 Ra4 draw
12 Ra8 draw
13 Kb4 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Ke2 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves