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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ra8 draw
3 Kc6 loss in 2 half-moves
4 Kc7 loss in 2 half-moves
5 Kc8 loss in 2 half-moves
6 Kd6 loss in 2 half-moves
7 Kde7 loss in 2 half-moves
8 Ke6 loss in 2 half-moves
9 Kee7 loss in 2 half-moves
10 Kf7 loss in 2 half-moves
11 Kf8 loss in 2 half-moves
12 Rc8 loss in 2 half-moves