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 Kc4 draw
3 Kc6 draw
4 Kd4 draw
5 Kd6 draw
6 Ke4 draw
7 Ke5 draw
8 Ke6 draw
9 Ra4 draw
10 Ra6 draw
11 Kc5 loss in 12 half-moves
12 Ra3 loss in 6 half-moves
13 Ra7 loss in 6 half-moves
14 Ra1 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Ra8 loss in 1 half-moves