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