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