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