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