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