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 Ra1 draw
7 Ra7 draw
8 Ra8 draw
9 Kc5 loss in 2 half-moves
10 Kc6 loss in 2 half-moves
11 Kd5 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Rc6 loss in 2 half-moves