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 Kc8 draw
5 Ra1 draw
6 Ra2 draw
7 Ra3 draw
8 Ra4 draw
9 Ra8 draw
10 Rc7 draw
11 Kd6 loss in 2 half-moves
12 Kd8 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Ra6 loss in 2 half-moves