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

EGTB: win in 6 half-moves

# move score
1 Rb5 win in 5 half-moves
2 Ra2 win in 9 half-moves
3 Ra1 win in 15 half-moves
4 Ra3 win in 21 half-moves
5 Kb5 win in 29 half-moves
6 Kc1 draw
7 Kc2 draw
8 Kd2 draw
9 Ke1 draw
10 Ke2 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 Kd5 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves