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 Kd6 draw
3 Kd8 draw
4 Ke6 draw
5 Ke8 draw
6 Kf6 draw
7 Kf7 draw
8 Kf8 draw
9 Ra6 draw
10 Ra8 draw
11 Kd7 loss in 8 half-moves
12 Rc7 loss in 8 half-moves
13 Ra3 loss in 4 half-moves
14 Ra5 loss in 4 half-moves
15 Ra1 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Ra4 loss in 1 half-moves