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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Kb3 win in 3 half-moves
3 Ka1 win in 5 half-moves
4 Kb1 win in 5 half-moves
5 Ka3 win in 7 half-moves
6 Kb2 draw
7 Kb4 draw
8 Kb5 draw
9 Kb6 draw
10 Kc4 draw
11 Kc6 draw
12 Kd4 draw
13 Kd5 draw
14 Kd6 draw
15 Ra3 draw
16 Ra4 draw
17 Ra6 draw
18 Ra7 draw
19 Ra8 draw