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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Kb6 win in 5 half-moves
3 Kc6 win in 5 half-moves
4 Kd6 win in 7 half-moves
5 Ra6 win in 7 half-moves
6 Ra8 win in 7 half-moves
7 Kb4 win in 9 half-moves
8 Kc4 win in 13 half-moves
9 Kb2 draw
10 Kb3 draw
11 Kb7 draw
12 Kb8 draw
13 Kc2 draw
14 Kc8 draw
15 Kd3 draw
16 Kd4 draw
17 Kd7 draw
18 Kd8 draw
19 Ra1 draw
20 Ra3 draw
21 Ra7 draw
22 Rc5 draw
23 Rd5 draw
24 Re5 draw
25 Kd2 loss in 2 half-moves
26 Ra2 loss in 2 half-moves
27 Ra4 loss in 2 half-moves
28 Rf5 loss in 2 half-moves
29 Rg5 loss in 2 half-moves
30 Rh5 loss in 2 half-moves