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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Kc6 draw
3 Kc7 draw
4 Kd6 draw
5 Ke6 draw
6 Ke7 draw
7 Ra3 draw
8 Ra8 draw
9 Kc8 loss in 16 half-moves
10 Kd8 loss in 14 half-moves
11 Ra1 loss in 14 half-moves
12 Ke8 loss in 12 half-moves
13 Ra4 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Ra2 loss in 1 half-moves