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

EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Kd7 win in 5 half-moves
3 Rb7 win in 5 half-moves
4 Kb7 win in 9 half-moves
5 Kd8 win in 9 half-moves
6 Ke7 win in 9 half-moves
7 Kf7 win in 9 half-moves
8 Kf8 draw
9 Rc8 draw
10 Ka5 loss in 2 half-moves
11 Ka6 loss in 2 half-moves
12 Ka7 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Ra8 loss in 2 half-moves