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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Kc5 draw
3 Kc7 draw
4 Kd5 draw
5 Kd7 draw
6 Ke5 draw
7 Ke7 draw
8 Ra5 draw
9 Ra7 draw
10 Rc6 draw
11 Kc6 loss in 8 half-moves
12 Ke6 loss in 6 half-moves
13 Ra4 loss in 6 half-moves
14 Ra8 loss in 6 half-moves
15 Ra1 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Ra3 loss in 1 half-moves